Roger Everett Summons

Roger Everett Summons's AcademicInfluence.com Rankings

Earth Sciences

#658

World Rank

#1068

Historical Rank

#236

USA Rank

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Earth Sciences

Roger Everett Summons's Degrees

Masters Geology Stanford University
Bachelors Geology Stanford University

Why Is Roger Everett Summons Influential?

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According to Wikipedia, Roger Everett Summons is the Schlumberger Professor of Geobiology at the Massachusetts Institute of Technology and Professor of Geobiology in the Department of Earth, Atmospheric and Planetary Sciences.

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Roger Everett Summons's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Papers

Archean molecular fossils and the early rise of eukaryotes. (1999) (1160)
A Serpentinite-Hosted Ecosystem: The Lost City Hydrothermal Field (2005) (1007)
2-Methylhopanoids as biomarkers for cyanobacterial oxygenic photosynthesis (1999) (917)
Oxidation of the Ediacaran Ocean (2006) (796)
A Habitable Fluvio-Lacustrine Environment at Yellowknife Bay, Gale Crater, Mars (2014) (719)
Photic Zone Euxinia During the Permian-Triassic Superanoxic Event (2005) (707)
Fossil steroids record the appearance of Demospongiae during the Cryogenian period (2009) (586)
Formation of sphalerite (ZnS) deposits in natural biofilms of sulfate-reducing bacteria. (2000) (584)
Biomarker evidence for green and purple sulphur bacteria in a stratified Palaeoproterozoic sea (2005) (511)
Dynamics of the Neoproterozoic carbon cycle (2003) (490)
Intact polar membrane lipids in prokaryotes and sediments deciphered by high-performance liquid chromatography/electrospray ionization multistage mass spectrometry--new biomarkers for biogeochemistry and microbial ecology. (2004) (480)
Carbon isotope evidence for the stepwise oxidation of the Proterozoic environment (1992) (422)
Terminal Proterozoic reorganization of biogeochemical cycles (1995) (413)
Identification of aryl isoprenoids in source rocks and crude oils: Biological markers for the green sulphur bacteria (1987) (398)
Volatile, Isotope, and Organic Analysis of Martian Fines with the Mars Curiosity Rover (2013) (384)
Bacterial Vesicles in Marine Ecosystems (2014) (371)
Molecular and isotopic analysis of anaerobic methane-oxidizing communities in marine sediments (2000) (357)
Volatile and Organic Compositions of Sedimentary Rocks in Yellowknife Bay, Gale Crater, Mars (2014) (337)
Organic matter preserved in 3-billion-year-old mudstones at Gale crater, Mars (2018) (334)
Carbon isotopic fractionation in lipids from methanotrophic bacteria: relevance for interpretation of the geochemical record of biomarkers. (1994) (333)
Organic molecules in the Sheepbed Mudstone, Gale Crater, Mars (2015) (331)
Biogeochemical evidence for euxinic oceans and ecological disturbance presaging the end-Permian mass extinction event (2009) (321)
Steroids, triterpenoids and molecular oxygen (2006) (315)
Evidence for perchlorates and the origin of chlorinated hydrocarbons detected by SAM at the Rocknest aeolian deposit in Gale Crater (2013) (308)
A reconstruction of Archean biological diversity based on molecular fossils from the 2.78 to 2.45 billion-year-old Mount Bruce Supergroup, Hamersley Basin, Western Australia (2003) (263)
Chlorobiaceae in Palaeozoic seas revealed by biological markers, isotopes and geology (1986) (263)
Biosynthesis of 2-methylbacteriohopanepolyols by an anoxygenic phototroph (2007) (261)
Preservation of martian organic and environmental records: final report of the Mars biosignature working group. (2011) (252)
Rapid oxygenation of Earth’s atmosphere 2.33 billion years ago (2016) (237)
Sedimentary Hydrocarbons, Biomarkers for Early Life (2003) (235)
Petroleum geology and geochemistry of the Middle Proterozoic McArthur Basin, Northern Australia: III. Composition of extractable hydrocarbons (1988) (232)
Isotopic exchange of carbon-bound hydrogen over geologic timescales (2004) (221)
Dinosterane and other steroidal hydrocarbons of dinoflagellate origin in sediments and petroleum (1987) (213)
Composition and syngeneity of molecular fossils from the 2.78 to 2.45 billion-year-old Mount Bruce Supergroup, Pilbara Craton, Western Australia (2003) (213)
Reappraisal of hydrocarbon biomarkers in Archean rocks (2015) (210)
The Geological Succession of Primary Producers in the Oceans (2007) (206)
An isotopic biogeochemical study of the Green River oil shale. (1992) (195)
Proteorhodopsin photosystem gene expression enables photophosphorylation in a heterologous host (2007) (194)
Molecular fossils and microfossils of prokaryotes and protists from Proterozoic sediments (1990) (193)
Identification of a methylase required for 2-methylhopanoid production and implications for the interpretation of sedimentary hopanes (2010) (193)
Hopanoids Play a Role in Membrane Integrity and pH Homeostasis in Rhodopseudomonas palustris TIE-1 (2009) (190)
Distinctive hydrocarbon biomarkers from fossiliferous sediment of the Late Proterozoic Walcott Member, Chuar Group, Grand Canyon, Arizona (1988) (184)
Signature Lipids and Stable Carbon Isotope Analyses of Octopus Spring Hyperthermophilic Communities Compared with Those ofAquificales Representatives (2001) (182)
The Continuing Puzzle of the Great Oxidation Event (2009) (180)
Biomarker and n-alkane isotope profiles for Tertiary oils: relationship to source rock depositional setting (1994) (179)
Carbon isotopic fractionation associated with methylotrophic methanogenesis (1998) (170)
Cyanobacterial bacteriohopanepolyol signatures from cultures and natural environmental settings (2008) (169)
Direct chemical evidence for eumelanin pigment from the Jurassic period (2012) (168)
Carbon isotopic fractionation in lipids from methanotrophic bacteria II: the effects of physiology and environmental parameters on the biosynthesis and isotopic signatures of biomarkers. (1999) (164)
Origin of petroleum in the Neoproterozoic–Cambrian South Oman Salt Basin (2009) (164)
Paleoenvironmental implications of novel C30 steranes in Precambrian to Cenozoic Age petroleum and bitumen (1994) (162)
Late Archean molecular fossils from the Transvaal Supergroup record the antiquity of microbial diversity and aerobiosis (2009) (159)
Secular and environmental constraints on the occurrence of dinosterane in sediments (1992) (153)
Sterols in red and green algae: quantification, phylogeny, and relevance for the interpretation of geologic steranes (2008) (150)
Structural characterization of kerogen in 3.4 Ga Archaean cherts from the Pilbara Craton, Western Australia (2007) (141)
Chlorination studies. II. The reaction of aqueous hypochlorous acid with alpha-amino acids and dipeptides. (1973) (140)
Planktonic Euryarchaeota are a significant source of archaeal tetraether lipids in the ocean (2014) (137)
Methylhopane biomarker hydrocarbons in Hamersley Province sediments provide evidence for Neoarchean aerobiosis (2008) (135)
Ancient biomolecules: Their origins, fossilization, and role in revealing the history of life (2014) (130)
Sulfur isotopes of organic matter preserved in 3.45-billion-year-old stromatolites reveal microbial metabolism (2012) (129)
On impact and volcanism across the Cretaceous-Paleogene boundary (2020) (128)
Hydrocarbon biomarkers from Ordovician sediments and the fossil alga Gloeocapsomorpha prisca Zalessky 1917 (1987) (128)
Hydrocarbon shows and petroleum source rocks in sediments as old as 1.7 × 109 years (1986) (122)
Methanogenic burst in the end-Permian carbon cycle (2014) (122)
Oleananes in oils and sediments: Evidence of marine influence during early diagenesis? (1997) (118)
Lipid biomarker and carbon isotopic signatures for stromatolite‐forming, microbial mat communities and Phormidium cultures from Yellowstone National Park (2004) (113)
Eocene out-of-India dispersal of Asian dipterocarps (2011) (112)
Organic geochemistry of the early Toarcian oceanic anoxic event in Hawsker Bottoms, Yorkshire, England (2014) (112)
Identification of the methylhopanes in sediments and petroleum. (1990) (111)
An integrated biomarker, isotopic and palaeoenvironmental study through the Late Permian event at Lusitaniadalen, Spitsbergen (2010) (111)
Targeted genomic detection of biosynthetic pathways: anaerobic production of hopanoid biomarkers by a common sedimentary microbe (2005) (110)
Terrestrial vegetation change inferred from n-alkane σ13C analysis in the marine environment (1995) (106)
Stable carbon isotope fractionation between substrates and products of Methanosarcina barkeri (2008) (105)
The Neanderthal Meal: A New Perspective Using Faecal Biomarkers (2014) (105)
Extraordinary 13C enrichment of diether lipids at the Lost City Hydrothermal Field indicates a carbon-limited ecosystem (2009) (103)
Extending the known range of glycerol ether lipids in the environment: structural assignments based on tandem mass spectral fragmentation patterns. (2012) (103)
Hydrocarbon biomarkers, thermal maturity, and depositional setting of tasmanite oil shales from Tasmania, Australia (1994) (102)
Arsenic accumulation in Great Barrier Reef invertebrates. (1981) (102)
Sterol and genomic analyses validate the sponge biomarker hypothesis (2016) (101)
Origin of Nama Basin bitumen seeps: Petroleum derived from a Permian lacustrine source rock traversing southwestern Gondwana (2008) (100)
Discovery, taxonomic distribution, and phenotypic characterization of a gene required for 3-methylhopanoid production (2012) (100)
Evidence for a diachronous Late Permian marine crisis from the Canadian Arctic region (2012) (100)
Molecular organic tracers of biogeochemical processes in a saline meromictic lake (Ace Lake) (2001) (98)
Composition of the lipids of Nanoarchaeum equitans and their origin from its host Ignicoccus sp. strain KIN4/I (2004) (98)
Significance of polycyclic aromatic hydrocarbons (PAHs) in Permian/Triassic boundary sections (2010) (96)
Biogeochemistry of the 1640 Ma McArthur River (HYC) lead-zinc ore and host sediments, Northern Territory, Australia (2001) (96)
Constraining the oil charge history of the South Pepper oilfield from the analysis of oil-bearing fluid inclusions (1998) (95)
Rapid, direct and non-destructive assessment of fossil organic matter via microRaman spectroscopy (2016) (94)
Evidence for photic zone euxinia through the end-Permian mass extinction in the Panthalassic Ocean (Peace River Basin, Western Canada) (2007) (93)
Characteristic fragmentation of bacteriohopanepolyols during atmospheric pressure chemical ionisation liquid chromatography/ion trap mass spectrometry. (2003) (91)
Elevated rates of horizontal gene transfer in the industrialized human microbiome (2021) (91)
Branched alkanes from ancient and modern sediments: Isomer discrimination by GC/MS with multiple reaction monitoring (1987) (91)
Clay Mineralogy, Organic Carbon Burial, and Redox Evolution in Proterozoic Oceans (2010) (90)
Sedimentation of 13C-rich organic matter from Antarctic sea-ice algae: A potential indicator of past sea-ice extent (1999) (90)
The effect of aromatization on the isotopic compositions of hydrocarbons during early diagenesis. (1994) (89)
Release of bound aromatic hydrocarbons from late Archean and mesoproterozoic kerogens via hydropyrolysis (2003) (89)
Microaerobic steroid biosynthesis and the molecular fossil record of Archean life (2011) (88)
Rapid Resurgence of Marine Productivity After the Cretaceous-Paleogene Mass Extinction (2009) (88)
Ocean deoxygenation: Past, present, and future (2011) (87)
Identification of methanotrophic lipid biomarkers in cold-seep mussel gills: chemical and isotopic analysis (1995) (87)
D/H ratios in terrestrially sourced petroleum systems (2004) (87)
Identification and characterization of Rhodopseudomonas palustris TIE‐1 hopanoid biosynthesis mutants (2012) (86)
Carbon isotope biogeochemistry of plant resins and derived hydrocarbons (1998) (86)
Diverse capacity for 2-methylhopanoid production correlates with a specific ecological niche (2013) (85)
Characterization and spatial distribution of methanogens and methanogenic biosignatures in hypersaline microbial mats of Baja California (2008) (85)
Multiple origins of methane at the Lost City Hydrothermal Field (2010) (84)
An interlaboratory study of TEX86 and BIT analysis of sediments, extracts, and standard mixtures (2013) (83)
Mono- and dihydroxyl Glycerol Dibiphytanyl Glycerol Tetraethers in (2012) (82)
An isotopic biogeochemical study of Neoproterozoic and Early Cambrian sediments from the Centralian Superbasin, Australia. (1997) (82)
Sterane and triterpane biomarkers in the Precambrian Nonesuch Formation, North American Midcontinent Rift (1991) (82)
Paleoproterozoic sterol biosynthesis and the rise of oxygen (2017) (81)
Molecular signature of chitin-protein complex in Paleozoic arthropods (2011) (81)
Dicarboxylic acids in the Murchison meteorite (1974) (80)
Lipid biomarkers in ooids from different locations and ages: evidence for a common bacterial flora (2013) (79)
Molecular isotopic evidence of environmental and ecological changes across the Cenomanian-Turonian boundary in the Levant Platform of central Jordan (2009) (78)
Comparative microbial diversity and redox environments of black shale and stromatolite facies in the Mesoproterozoic Xiamaling Formation (2015) (77)
Phylogenetic investigation of the aliphatic, non-hydrolyzable biopolymer algaenan, with a focus on green algae (2009) (77)
Terminal Proterozoic mid-shelf benthic microbial mats in the Centralian Superbasin and their environmental significance. (1999) (77)
2‐Methylhopanoids are maximally produced in akinetes of Nostoc punctiforme: geobiological implications (2009) (76)
A Molecular Organic Carbon Isotope Record of Miocene Climate Changes (1994) (76)
Hydrothermal ecotones and streamer biofilm communities in the Lower Geyser Basin, Yellowstone National Park. (2011) (76)
Hydrocarbon biomarkers of Neoproterozoic to Lower Cambrian oils from eastern Siberia (2011) (75)
An Exceptionally Preserved Three-Dimensional Armored Dinosaur Reveals Insights into Coloration and Cretaceous Predator-Prey Dynamics (2017) (74)
Episodic photic zone euxinia in the northeastern Panthalassic Ocean during the end-Triassic extinction (2015) (74)
Demosponge steroid biomarker 26-methylstigmastane provides evidence for Neoproterozoic animals (2018) (74)
Chemical, molecular and isotopic differentiation of organic facies in the Tertiary lacustrine Duaringa oil shale deposit, Queensland, Australia (1994) (74)
Mass Spectrometric Quantification of Indole-3-Acetic Acid in Rhizobium Culture Supernatants: Relation to Root Hair Curling and Nodule Initiation (1982) (74)
Mass spectrometric analysis of cytokinins in plant tissues : v. Identification of the cytokinin complex of datura innoxia crown gall tissue. (1983) (73)
Modifications of the C37 alkenone and alkenoate composition in the water column and sediment: Possible implications for sea surface temperature estimates in paleoceanography (2000) (72)
Sulfur isotope biogeochemistry of the Proterozoic McArthur Basin (2008) (72)
Isotopic biogeochemistry of the Oxford Clay Formation (Jurassic), UK (1994) (71)
Molecular Biosignatures (2008) (71)
Improved methods for isolating and validating indigenous biomarkers in Precambrian rocks (2007) (71)
Biomarkers, chemistry and microbiology show chemoautotrophy in a multilayer chemocline in the Cariaco Basin (2012) (70)
Lipid biomarker and phylogenetic analyses to reveal archaeal biodiversity and distribution in hypersaline microbial mat and underlying sediment (2008) (68)
Fossil steranes with unprecedented methylation in ring-A (1988) (66)
CARBON ISOTOPES, KEROGEN TYPES AND THE PERMIAN-TRIASSIC BOUNDARY IN AUSTRALIA: IMPLICATIONS FOR EXPLORATION (1997) (66)
Regulators of cell division in plant tissue. XXIII. The identity of an unusual metabolite of 6-benzylaminopurine. (1975) (66)
Assessing the distribution of sedimentary C40 carotenoids through time (2015) (66)
Diversity of hopanoids and squalene-hopene cyclases across a tropical land-sea gradient. (2009) (65)
New constraints on the provenance of hopanoids in the marine geologic record: Bacteriohopanepolyols in marine suboxic and anoxic environments (2011) (63)
Geobiology of the late Paleoproterozoic Duck Creek Formation, Western Australia (2010) (63)
A Field Guide to Finding Fossils on Mars (2018) (62)
Sterols in a unicellular relative of the metazoans (2008) (62)
Lipid biomarkers for bacterial ecosystems: studies of cultured organisms, hydrothermal environments and ancient sediments. (1996) (62)
Lipid biomarkers in Hamelin Pool microbial mats and stromatolites. (2010) (61)
Hydrothermal Field A Serpentinite-Hosted Ecosystem : The Lost City (2009) (61)
Identification of the Bacteriochlorophylls, Carotenoids, Quinones, Lipids, and Hopanoids of “Candidatus Chloracidobacterium thermophilum” (2011) (60)
MOLECULAR PALAEOBIOLOGY (2007) (60)
Preparation and characterization, using high-performance liquid chromatography, of an enzyme forming glucosides of cytokinins. (1979) (60)
Identification and quantification of polyfunctionalized hopanoids by high temperature gas chromatography-mass spectrometry. (2012) (60)
A hypersaline microbial mat from the Pacific Atoll Kiritimati: insights into composition and carbon fixation using biomarker analyses and a 13C‐labeling approach (2009) (60)
Mass spectrometric analysis of cytokinins in plant tissues. II—Quantitation of cytokinins in Zea mays kernels using deuterium labelled standards (1979) (59)
Changes of palaeoenvironmental conditions recorded in Late Devonian reef systems from the Canning Basin, Western Australia: A biomarker and stable isotope approach (2015) (59)
Canopy Flow Analysis Reveals the Advantage of Size in the Oldest Communities of Multicellular Eukaryotes (2014) (58)
The RND-family transporter, HpnN, is required for hopanoid localization to the outer membrane of Rhodopseudomonas palustris TIE-1 (2011) (58)
Two episodes of 13C-depletion in organic carbon in the latest Permian: Evidence from the terrestrial sequences in northern Xinjiang, China (2008) (57)
6-benzylaminopurine and its glycosides as naturally occurring cytokinins (1989) (57)
Phytohormones,Rhizobium mutants, and nodulation in legumes. IV. Auxin metabolites in pea root nodules (1984) (57)
Structural diversity of diether lipids in carbonate chimneys at the Lost City Hydrothermal Field (2009) (56)
Yampi Shelf, Browse Basin, North-West Shelf, Australia: A test-bed for constraining hydrocarbon migration and seepage rates using combinations of 2D and 3D seismic data and multiple, independent remote sensing technologies (2005) (56)
The complex of O-glucosylzeatin derivatives formed in Populus species☆ (1979) (56)
Elucidation of the Burkholderia cenocepacia hopanoid biosynthesis pathway uncovers functions for conserved proteins in hopanoid-producing bacteria. (2015) (56)
Carbon and sulfur isotopic signatures of ancient life and environment at the microbial scale: Neoarchean shales and carbonates (2016) (55)
Isoprenoid glycerol dialkanol diethers: A series of novel archaeal lipids in marine sediments (2012) (55)
Dinosteranes (4,23,24-trimethylsteranes) and other biological markers in dinoglagellate-rich marine sediments of Rhaetian age (1993) (54)
The Paleoproterozoic McArthur River (HYC) Pb/Zn/Ag deposit of northern Australia: organic geochemistry and ore genesis (2003) (54)
Molecular biosignatures reveal common benthic microbial sources of organic matter in ooids and grapestones from Pigeon Cay, The Bahamas (2017) (54)
A comparison of thermal maturity parameters between freely extracted hydrocarbons (Bitumen I) and a second extract (Bitumen II) from within the kerogen matrix of Permian and Triassic sedimentary rocks (2010) (54)
GDGT cyclization proteins identify the dominant archaeal sources of tetraether lipids in the ocean (2019) (53)
Active eukaryotes in microbialites from Highborne Cay, Bahamas, and Hamelin Pool (Shark Bay), Australia (2013) (52)
Nitrogen fixation in symbiotic marine sponges: ecological significance and difficulties in detection (1999) (51)
Large sulfur isotope fractionations in Martian sediments at Gale crater (2017) (50)
Acetoclastic Methanosaeta are dominant methanogens in organic-rich Antarctic marine sediments (2017) (49)
A catalytic hydropyrolysis method for the rapid screening of microbial cultures for lipid biomarkers (2005) (49)
Mass spectrometric identification of indole compounds produced by Rhizobium strains (1982) (49)
Identification and significance of 3β-ethyl steranes in sediments and petroleum (1991) (47)
Low fossilization potential of keratin protein revealed by experimental taphonomy (2017) (47)
Compound-specific isotope analysis (1998) (47)
Impact of diagenesis and maturation on the survival of eumelanin in the fossil record (2013) (46)
The effect of ammonium on photosynthesis and the pathway of ammonium assimilation in Gymnodinium microadriaticum in vitro and in symbiosis with tridacnid clams and corals (1986) (46)
Molecular proxies as indicators of freshwater incursion-driven salinity stratification (2015) (46)
GC-MS detection and significance of crocetane and pentamethylicosane in sediments and crude oils (2003) (46)
Chlorination studies. IV. The reaction of aqueous hypochlorous acid with pyrimidine and purine bases. (1973) (45)
Spatial and temporal variability of biomarkers and microbial diversity reveal metabolic and community flexibility in Streamer Biofilm Communities in the Lower Geyser Basin, Yellowstone National Park (2013) (45)
The Structure and Synthesis of Cytokinin Metabolites. II. Lupinic Acid and O-β-D-Glucopyranosylzeatin From Lupinus angustifolius (1978) (44)
Molecular structure of organic components in cephalopods: Evidence for oxidative cross linking in fossil marine invertebrates (2008) (44)
Molecular taphonomy of macrofossils from the Cretaceous Las Hoyas Formation, Spain (2008) (44)
Carbon isotopic composition of hydrocarbons in ocean-transported bitumens from the coastline of Australia (1995) (43)
Complex patterns of steroidal biomarkers in Tertiary lacustrine sediments of the Biyang Basin, China (2001) (43)
O-glucosylzeatin and Related Compounds—A New Group of Cytokinin Metabolites (1977) (43)
Insights into foraminiferal influences on microfabrics of microbialites at Highborne Cay, Bahamas (2013) (43)
Archaeal and bacterial glycerol dialkyl glycerol tetraether lipids in chimneys of the Lost City Hydrothermal Field (2013) (42)
Abundance and structural diversity of bacteriohopanepolyols in suspended particulate matter along a river to ocean transect (2011) (42)
First Detections of Dichlorobenzene Isomers and Trichloromethylpropane from Organic Matter Indigenous to Mars Mudstone in Gale Crater, Mars: Results from the Sample Analysis at Mars Instrument Onboard the Curiosity Rover. (2019) (40)
Carbon isotopes and lipid biomarkers from organic‐rich facies of the Shuram Formation, Sultanate of Oman (2013) (40)
The environmental water of the middle Eocene Arctic: evidence from δD, δ18O and δ13C within specific compounds. (2009) (40)
Analysis of twelve amino acids in biological fluids by mass fragmentography. (1974) (40)
Mass spectrometry of cytokinin metabolites. Per (trimethylsilyl) and permethyl derivatives of glucosides of zeatin and 6-benzylaminopurine. (1976) (39)
Algoriphagus machipongonensis sp. nov., co-isolated with a colonial choanoflagellate. (2013) (39)
Petroleum Systems in West Australian Basins (1994) (39)
Nitrogen fixation sustained productivity in the wake of the Palaeoproterozoic Great Oxygenation Event (2018) (39)
Hydrocarbon Composition of the Late Proterozoic Oils of the Siberian Platform: Implications for the Depositional Environment of Source Rocks (1992) (39)
The occurrence of raphanatin as an endogenous cytokinin in radish seed Identification and quantitation by gas chromatographic—mass spectrometric analysis using deuterium‐labelled standards (1977) (39)
Abundance and geochemical significance of C2n dialkylalkanes and highly branched C3n alkanes in diverse Meso- and Neoproterozoic sediments. (2004) (39)
The Structure of a New C25 Isoprenoid Alkene Biomarker From Diatomaceous Microbial Communities (1993) (39)
The Permian-Triassic boundary in Australia: where is it and how is it expressed? (1998) (39)
Molecular indicators of microbial diversity in oolitic sands of Highborne Cay, Bahamas (2013) (39)
Diagenetic and detrital origin of moretane anomalies through the Permian-Triassic boundary (2012) (39)
Polymethylsqualanes from Botryococcus braunii in lacustrine sediments and crude oils (2002) (38)
Rapid incorporation of lipids into macromolecules during experimental decay of invertebrates: Initiation of geopolymer formation (2009) (38)
Evidence for the Glutamine Synthetase/Glutamate Synthase Pathway during the Photorespiratory Nitrogen Cycle in Spinach Leaves. (1982) (38)
Biomarkers as Tracers for Life on Early Earth and Mars (2004) (38)
Biogenic hydrocarbons in fluid inclusions from the aberfoyle tin-tungsten deposit, Tasmania, Australia (1988) (37)
Indigenous and exogenous organics and surface–atmosphere cycling inferred from carbon and oxygen isotopes at Gale crater (2020) (37)
Extended 3β-alkyl steranes and 3-alkyl triaromatic steroids in crude oils and rock extracts (1995) (36)
The molecular record of Cryogenian sponges – a response to Antcliffe (2013) (2015) (36)
Nitrogen assimilation in the symbiotic marine alga Gymnodinium microadriaticum: direct analysis of 15N incorporation by gc-ms methods (1981) (35)
Pattern of δ13Ccarb and implications for geological events during the Permian‐Triassic transition in South China (2010) (35)
Molecular fossils in coastal bitumens from southern Australia: signatures of precursor biota and source rock environments (1994) (35)
Preparative HPLC with ultrastable-Y zeolite for compound-specific carbon isotopic analyses (2000) (34)
Biomarker and isotopic trends in a Permian–Triassic sedimentary section at Kap Stosch, Greenland (2012) (34)
Bicadinanes and related compounds as maturity indicators for oils and sediments (1996) (33)
Oceanic transport of fossil dammar resin: The chemistry of coastal resinites from South Australia (1994) (33)
Oxygen-18 incorporation into malic acid during nocturnal carbon dioxide fixation in crassulacean acid metabolism plants. A new approach to estimating in vivo carbonic anhydrase activity. (1984) (33)
GEOCHEMICAL CHARACTERISTICS OF PALAEOZOIC PETROLEUM SYSTEMS IN NORTHWESTERN AUSTRALIA (1997) (32)
MAPPING HYDROCARBON CHARGE HISTORIES: DETAILED CHARACTERISATION OF THE SOUTH PEPPER OIL FIELD, CARNARVON BASIN (1996) (32)
Planning considerations related to the organic contamination of Martian samples and implications for the Mars 2020 Rover. (2014) (32)
Biomarker composition of some asphaltic coastal bitumens from Tasmania, Australia (1992) (32)
Airborne hydrocarbon contamination from laboratory atmospheres (2014) (31)
Microbial life in the nascent Chicxulub crater (2020) (31)
The Identity of Two New Cytokinin Metabolites (1975) (31)
CHEMOSTRATIGRAPHY AND THE COMPOSITION OF OILS IN THE PERTH BASIN, WESTERN AUSTRALIA (1995) (30)
Proterozoic Organic Carbon — Its Preservation and Isotopic Record (1992) (30)
Origin and significance of aromatic hydrocarbons in giant iron ore deposits of the late Archean Hamersley Basin, Western Australia (2003) (29)
Mass spectrometric analysis of cytokinins in plant tissues (1979) (29)
Glucosylation of cytokinin analogues (1978) (29)
Biomarkers: Informative Molecules for Studies in Geobiology (2012) (29)
Metabolites of Cytokinins (1980) (29)
LIPOPHILIC PIGMENTS FROM CYANOBACTERIAL (BLUE‐GREEN ALGAL) AND DIATOM MATS IN HAMELIN POOL, SHARK BAY, WESTERN AUSTRALIA 1 (1989) (29)
Xeropreservation of functionalized lipid biomarkers in hyperarid soils in the Atacama Desert. (2017) (29)
Recovery of Fatty Acids from Mineralogic Mars Analogs by TMAH Thermochemolysis for the Sample Analysis at Mars Wet Chemistry Experiment on the Curiosity Rover (2019) (29)
Chirality of meteoritic free and IOM-derived monocarboxylic acids and implications for prebiotic organic synthesis (2014) (29)
Geochemical evidence for an Early Cambrian origin of the ‘Q’ oils and some condensates from north Oman (2012) (28)
Cytokinin biochemistry in relation to leaf senescence I. The metabolism of 6-benzylaminopurine and zeatin in oat leaf segments (1983) (28)
Calditol-linked membrane lipids are required for acid tolerance in Sulfolobus acidocaldarius (2018) (28)
Stable isotope mass fragmentography - Identification and hydrogen-deuterium exchange studies of eight Murchison meteorite amino acids (1975) (28)
GEOCHEMICAL TOOLS FOR EVALUATING PETROLEUM GENERATION IN MIDDLE PROTEROZOIC SEDIMENTS OF THE McARTHUR BASIN, NORTHERN TERRITORY, AUSTRALIA (1994) (28)
NEW INSIGHTS INTO THE ACTIVE PETROLEUM SYSTEMS IN THE COOPER AND EROMANGA BASINS, AUSTRALIA (1999) (27)
Potential precursor compounds for chlorohydrocarbons detected in Gale Crater, Mars, by the SAM instrument suite on the Curiosity Rover (2016) (27)
Regulators of cell division in plant tissues (1980) (27)
Niche expansion for phototrophic sulfur bacteria at the Proterozoic–Phanerozoic transition (2020) (27)
Reconstructing Deep-Time Biology with Molecular Fossils (2011) (27)
Bacteriohopanepolyols along redox gradients in the Humboldt Current System off northern Chile (2017) (27)
Stable Isotope Constraints on Marine Productivity Across the Cretaceous‐Paleogene Mass Extinction (2019) (26)
Hopanoids in marine cyanobacteria: probing their phylogenetic distribution and biological role (2012) (26)
Diagenesis of plant biopolymers: Decay and macromolecular preservation of Metasequoia (2009) (26)
A positive C-isotope excursion induced by sea-level fall in the middle Capitanian of South China (2018) (26)
An Effective Lower Cretaceous Petroleum System on the North West Shelf: Evidence from the Browse Basin (1998) (26)
Reply to Schouten et al.: Marine Group II planktonic Euryarchaeota are significant contributors to tetraether lipids in the ocean (2014) (26)
Stable isotope labeling confirms mixotrophic nature of streamer biofilm communities at alkaline hot springs (2015) (25)
LIPIDS AND CHEMOTAXONOMY OF PROCHLOROTHRIX HOLLANDICA, A PLANKTONIC PROKARYOTE CONTAINING CHLOROPHYLLS a AND b 1 (1988) (25)
The Proterozoic Biosphere: Modern Mat-Building Microbial Communities: a Key to the Interpretation of Proterozoic Stromatolitic Communities (1992) (25)
Preservation of feather fibers from the Late Cretaceous dinosaur Shuvuuia deserti raises concern about immunohistochemical analyses on fossils (2018) (25)
Organic geochemical approaches to understanding early life. (2019) (25)
Lophyrotomin, a new toxic octapeptide from the larvae of sawfly, Lophyrotoma interrupta. (1977) (24)
Molecular and isotopic evidence reveals the end-Triassic carbon isotope excursion is not from massive exogenous light carbon (2020) (24)
Regulators of cell division in plant tissues (2004) (24)
An improved phenanthrene synthesis: a simple route to (±)-tylophorine (1977) (24)
From ether to acid: A plausible degradation pathway of glycerol dialkyl glycerol tetraethers (2016) (24)
The Proterozoic Biosphere: Procedures of Whole Rock and Kerogen Analysis (1992) (24)
Lupinic acid, a purinyl amino acid and a novel metabolite of zeatin (1975) (23)
DEPOSITIONAL CONDITIONS OF THE NORTHERN ONSHORE PERTH BASIN (BASAL TRIASSIC) (2005) (23)
Lipid biomarkers: molecular tools for illuminating the history of microbial life (2021) (22)
Spatially-resolved isotopic study of carbon trapped in ∼3.43 Ga Strelley Pool Formation stromatolites (2018) (22)
Sedimentology, chemostratigraphy and stromatolites of lower Paleoproterozoic carbonates, Turee Creek Group, Western Australia. (2015) (22)
Chemotaxonomic evidence for the similarity between Botryococcus brauniiL race and Botryococcus neglectus (1997) (22)
The Proterozoic Biosphere: Proterozoic Biogeochemistry (1992) (21)
An unexpected γ‐hydrogen rearrangement in the mass spectra of di‐ortho ‐substituted alkylbenzenes (1988) (21)
The simultaneous quantitation of ten amino acids in soil extracts by mass fragmentography. (1973) (21)
Mass spectra of sn‐2‐hydroxyarchaeol, a polar lipid biomarker for anaerobic methanotrophy (2000) (21)
Isotopic biogeochemistry of the Oxford Clay Formation (1992) (21)
Multiple sulfur-isotopic evidence for a shallowly stratified ocean following the Triassic-Jurassic boundary mass extinction (2018) (21)
Molecular and lipid biomarker analysis of a gypsum‐hosted endoevaporitic microbial community (2014) (21)
Regulation of malic-acid metabolism in Crassulacean-acid-metabolism plants in the dark and light: In-vivo evidence from 13C-labeling patterns after 13CO2 fixation (1988) (20)
Evaluation of the Tenax trap in the Sample Analysis at Mars instrument suite on the Curiosity rover as a potential hydrocarbon source for chlorinated organics detected in Gale Crater (2015) (20)
Pathway of malic Acid synthesis in response to ion uptake in wheat and lupin roots: evidence from fixation of C and C. (1982) (20)
Environmental conditions and microbial community structure during the Great Ordovician Biodiversification Event; a multi-disciplinary study from the Canning Basin, Western Australia (2017) (19)
Vertical fluxes of hydrocarbons on the Northwest Shelf of Australia as estimated by a sediment trap study (2001) (19)
Cytokinin Translocation and Metabolism in Species of the Leguminoseae: Studies in Relation to Shoot and Nodule Development (1981) (19)
A distinctive biomarker assemblage in an Infracambrian oil and source rock from western India: Molecular signatures of eukaryotic sterols and prokaryotic carotenoids (2017) (19)
Identification of 24-n-propylidenecholesterol in a member of the Foraminifera (2013) (19)
Lack of Methylated Hopanoids Renders the Cyanobacterium Nostoc punctiforme Sensitive to Osmotic and pH Stress (2017) (18)
Extent and persistence of photic zone euxinia in Middle–Late Devonian seas – Insights from the Canning Basin and implications for petroleum source rock formation (2018) (18)
Inhibitors of cytokinin metabolism III. The inhibition of cytokininN-glucosylation in radish cotyledons (1991) (18)
New Insights into the Evolution of the Human Diet from Faecal Biomarker Analysis in Wild Chimpanzee and Gorilla Faeces (2015) (18)
Rapid oxygenation of Earths atmosphere 2.33 billion years ago (2016) (18)
The Structure of a New C25 Isoprenoid Alkene Biomarker from Diatomaceous Microbial Communities. (1993) (17)
Novel archaeal tetraether lipids with a cyclohexyl ring identified in Fayetteville Green Lake, NY, and other sulfidic lacustrine settings. (2016) (17)
Organic geochemical signatures of early life on earth (2014) (17)
Vagrant Oils: Geochemical Signposts to Unrecognised Petroleum Systems (1998) (17)
Multi-spectroscopic and elemental characterization of southern Australian asphaltites (2019) (17)
Petroleum source rocks of the Amadeus Basin (1991) (17)
Sources of C30 steroid biomarkers in Neoproterozoic–Cambrian rocks and oils (2019) (16)
Carbon Oxidation State in Microbial Polar Lipids Suggests Adaptation to Hot Spring Temperature and Redox Gradients (2020) (16)
Constraining the timing of basal metazoan radiation using molecular biomarkers and U-Pb isotope dating (2006) (16)
Predominance of parallel glycerol arrangement in archaeal tetraethers from marine sediments: Structural features revealed from degradation products (2018) (16)
Mudstones and embedded concretions show differences in lithology-related, but not source-related biomarker distributions (2017) (16)
Methane Oxidation and Molecular Characterization of Methanotrophs from a Former Mercury Mine Impoundment (2015) (15)
Contribution of Benthic Processes to the Growth of Ooids on a Low-Energy Shore in Cat Island, The Bahamas (2018) (15)
Prospects for Sterane Preservation in Sponge Fossils from Museum Collections and the Utility of Sponge Biomarkers for Molecular Clocks (2016) (15)
The “Dirty Ice” of the McMurdo Ice Shelf: Analogues for biological oases during the Cryogenian (2018) (15)
II. THE REACTION OF AQUEOUS HYPOCHLOROUS ACID WITH a-AMINO ACIDS AND DIPEPTIDES (1973) (15)
OlsG (Sinac_1600) Is an Ornithine Lipid N-Methyltransferase from the Planctomycete Singulisphaera acidiphila* (2015) (15)
Determination of intact zeatin nucleotide by direct chemical ionisation mass spectrometry (1983) (15)
Lipid Biomarker Record of the Serpentinite-Hosted Ecosystem of the Samail Ophiolite, Oman and Implications for the Search for Biosignatures on Mars. (2020) (14)
Constraints on the Metabolic Activity of Microorganisms in Atacama Surface Soils Inferred from Refractory Biomarkers: Implications for Martian Habitability and Biomarker Detection. (2018) (14)
Enhanced terrestrial input supporting the Glomospira acme across the Paleocene-Eocene boundary in Southern Spain (2014) (14)
Curiosity Rover Volatile , Isotope , and Organic Analysis of Martian Fines with the Mars (2013) (14)
Picomolar-scale compound-specific isotope analyses. (2018) (14)
System-Wide Adaptations of Desulfovibrio alaskensis G20 to Phosphate-Limited Conditions (2016) (14)
Strategies of Life Detection (2008) (14)
Phosphoenolpyruvate carboxylase and amino acid metabolism in roots (1983) (14)
PETROLEUM GEOCHEMISTRY OF THE MURTA MEMBER, MOOGA FORMATION, AND ASSOCIATED OILS, EROMANGA BASIN (1989) (13)
Metabolic Studies of Transient Tyrosinemia in Premature Infants (1975) (13)
Two-pronged kill mechanism at the end-Triassic mass extinction (2022) (13)
Microbial communities and organic biomarkers in a Proterozoic‐analog sinkhole (2017) (13)
Cainozoic Oil in Papua New Guinea — Evidence from Geochemical Analysis of Two Newly Discovered Seeps (1993) (12)
Preservation of uropygial gland lipids in a 48-million-year-old bird (2017) (12)
Pattern of δ13Ccarb and implications for geological events during the Permian-Triassic transition in South China (2010) (12)
Organo-mineral associations in chert of the 3.5 Ga Mount Ada Basalt raise questions about the origin of organic matter in Paleoarchean hydrothermally influenced sediments (2019) (12)
Molecular evidence for prolonged photic zone euxinia at the Meishan and East Greenland sections of the Permian Triassic Boundary (2006) (12)
Structure and synthesis of unusual cytokinin metabolites (1975) (11)
Vitamin B12-dependent biosynthesis ties amplified 2-methylhopanoid production during oceanic anoxic events to nitrification (2020) (11)
MOLECULAR PRESERVATION OF CENOZOIC CONIFER FOSSIL LAGERSTÄTTEN FROM BANKS ISLAND, THE CANADIAN ARCTIC (2012) (11)
Rapid, high-resolution 14C chronology of ooids (2015) (11)
Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility. (2021) (11)
Experimental formation of geomacromolecules from microbial lipids (2014) (11)
Steroidal alkaloids of Marsdenia rostrata (1972) (11)
Lipidomics of the sea sponge Amphimedon queenslandica and implication for biomarker geochemistry (2017) (11)
Molecular biogeochemistry of Monterey sediments (Naples Beach, USA). II: Carbon isotopic compositions of free and sulphur-bound carbon skeletons (2000) (11)
Design of a stable isotope dilution gas chromatography/mass spectrometric assay for cAMP: comparison with standard protein-binding and radioimmunoassay methods. (1980) (11)
Microbial biomarkers reveal a hydrothermally active landscape at Olduvai Gorge at the dawn of the Acheulean, 1.7 Ma (2020) (10)
A micrometer‐scale snapshot on phototroph spatial distributions: mass spectrometry imaging of microbial mats in Octopus Spring, Yellowstone National Park (2020) (10)
Bulk and grain-scale minor sulfur isotope data reveal complexities in the dynamics of Earth’s oxygenation (2022) (10)
Effect of oxygen on photosynthesis and biosynthesis of glycolate in photoheterotrophically grown cells of Rhodospirillum rubrum (1979) (9)
Influence of Calcium Perchlorate on Organics Under SAM‐Like Pyrolysis Conditions: Constraints on the Nature of Martian Organics (2020) (9)
Exploiting the multivariate isotopic nature of organic compounds (2001) (9)
Occurrence, structure and synthesis of 3-(N-Methylamino)glutaric acid, an amino acid from Prochloron didemnii (1981) (9)
Smaller, better, more: Five decades of advances in geochemistry (2013) (9)
Site holds promise for ecosystem and biogeochemical investigations (2001) (9)
Glycerol configurations of environmental GDGTs investigated using a selective sn2 ether cleavage protocol (2019) (9)
The determination of ethanol in blood and urine by mass fragmentography. (1974) (9)
Time-Sensitive Aspects of Mars Sample Return (MSR) Science. (2021) (8)
Biomarker stratigraphy in the Athel Trough of the South Oman Salt Basin at the Ediacaran‐Cambrian Boundary (2020) (8)
Chemical clues to the earliest animal fossils (2018) (8)
Biomarkers as tracers for life on early earth and mars (1996) (8)
Microbially influenced formation of Neoarchean ooids (2018) (8)
Indole-3-acetic acid determination in cultured crown-gall and genetic tumour tissues by gas chromatography-mass spectrometry (2004) (8)
Botryococcenone, An Oxygenated Botryococcene From Botryococcus-Braunii (1991) (7)
“Strategies of Life Detection”: Summary and Outlook (2008) (7)
Alkaloids of the genus cinnamomum isolation, structure and synthesis of cinnamolaurine (1969) (7)
Geochemical characteristics of hydrocarbon families and petroleum systems (2001) (7)
Bacteriohopanepolyols across environmental gradients in Lake Vanda, Antarctica (2019) (7)
Steroidal alkaloids of Marsdenia rostrata. II. The isolation and structure of a new alkaloid, rostratamine (1973) (7)
Interdecadal changes in intensity of the oxygen minimum zone off Concepción, Chile (~ 36° S), over the last century (2015) (7)
Environmental controls on bacteriohopanepolyol profiles of benthic microbial mats from Lake Fryxell, Antarctica (2019) (7)
Astrobiology Science Strategy for the Search for Life in the Universe (2018) (7)
Fate of Chitinous Organisms in the Geosphere (2011) (7)
The Permian-Triassic Boundary in Australia: Organic Carbon-Isotopic Anomalies Relate to Organofacies, Not a Biogeochemical ``Event'' (1999) (7)
Composition of Hydrothermal Vent Microbial Communities as Revealed by Analyses of Signature Lipids, Stable Carbon Isotopes and Aquificales Cultures (2001) (6)
Composition of Extractable Organic Matter (1992) (6)
Identification of a cytokinin in water chestnuts (corms of Eleocharis tuberosa) (1983) (6)
Identification of a Fossil Sterane Biomarker in Crude Oil – an Androstane with a Modified Carbon Skeleton† (2013) (6)
First Detection of Non-Chlorinated Organic Molecules Indigenous to a Martian Sample (2016) (6)
MASS SPECTROMETRY OF CYTOKININ METABOLITES. PER(TRIMETHYLSILYL) AND PERMETHYL DERIVATIVES OF GLUCOSIDES OF ZEATIN AND 6-BENZYLAMINOPURINE (1977) (6)
Hydrogen isotopic compositions of petroleum hydrocarbons (2002) (6)
OIL AND GAS SHOWS NUMEROUS IN NAMA BASIN, SOUTHERN AFRICA (1996) (6)
Science and Curation Considerations for the Design of a Mars Sample Return (MSR) Sample Receiving Facility. (2021) (5)
The Scientific Importance of Returning Airfall Dust as a Part of Mars Sample Return (MSR). (2021) (5)
Australian and Eastern Indonesian Petroleum Systems (1997) (5)
Sedimentary Organics in Glen Torridon, Gale Crater, Mars: Results From the SAM Instrument Suite and Supporting Laboratory Analyses (2022) (5)
A study of the electron impact promoted fragmentation of promazine sulphoxide and promazine using specifically deuterated analogues (1973) (5)
Heterogeneity of free and occluded bitumen in a natural maturity sequence from Oligocene Lake Enspel (2019) (5)
SYNTHESIS OF -TRIMETHYLARSONIUMLACTATE (1982) (5)
A Geomimetic Approach to the Formation and Identification of Fossil Sterane Biomarkers in Crude Oil: 18-nor-D-homo-Androstane and 5α,14β-Androstane. (2015) (5)
Final Report of the MSR Science Planning Group 2 (MSPG2). (2021) (5)
Industrialization is associated with elevated rates of horizontal gene transfer in the human microbiome (2020) (5)
Archaeal and bacterial assemblages in the Oxygen Minimum Zone of the upwelling ecosystem off Central Chile as determined by organic biomarkers (2015) (5)
Simultaneous determination of diphenylhydantoin, mephobarbital, carbamazepine, phenobarbital and primidone in serum using direct chemical ionization mass spectrometry. (1978) (4)
Regulators of cell division in plant tissues (2012) (4)
Marine and terrestrial nitrifying bacteria are sources of diverse bacteriohopanepolyols (2021) (4)
Rationale and Proposed Design for a Mars Sample Return (MSR) Science Program. (2021) (4)
Characterization of c.3.5 billion-year-old organic matter (2006) (4)
Paleobiological Clues to Early Atmospheric Evolution (2014) (4)
Biomarkers: Molecular Tools to Study Life, Environment, and Climate (2022) (4)
Archean Lakes as analogues for habitable Martian paleoenvironments (2018) (4)
In situ carbon isotope analysis of Archean organic matter with SIMS (2011) (4)
Planning Implications Related to Sterilization-Sensitive Science Investigations Associated with Mars Sample Return (MSR). (2021) (4)
Evidence of refractory organic matter preserved in the mudstones of Yellowknife Bay and the Murray Formations (2015) (4)
Investigating the Origin of Chlorohydrocarbons Detected by the Sample Analysis at Mars (SAM) Instrument at Rocknest (2013) (4)
The quantitation of β-aminoisobutyric acid in urine by mass fragmentography (1973) (4)
Cytokinins of dryZea mays seed: Quantification by radioimmunoassay and gas chromatography-mass spectrometry (1988) (4)
Where would we be without the isotopes (2008) (4)
Carotenoid biomarkers in Namibian shelf sediments: Anoxygenic photosynthesis during sulfide eruptions in the Benguela Upwelling System (2021) (3)
Biostratigraphy and Paleobiogeography of the Proterozoic (1992) (3)
CRAYFISH GROUP HYDROCARBONS—IMPLICATIONS FOR PALAEOENVIRONMENT OF EARLY CRETACEOUS RIFT FILL IN THE WESTERN OTWAY BASIN (1995) (3)
Preservation of organic matter on Mars by sulfur (2016) (3)
Non-detection of C-60 fullerene at two mass extinction horizons (2016) (3)
Diphenylpiperidines: Synthesis and properties of some methoxy-substituted 3,4-diphenylpiperidine derivatives (1971) (3)
H ratios in terrestrially sourced petroleum systems (2004) (3)
A new and improved protocol for extraction of intact polar membrane lipids from archaea (2021) (3)
ABSTRACT: Geochemical Analogs for Australian Coastal Asphaltites - Search for the Source Rock (2001) (3)
Martian Chlorobenzene Identified by Curiosity in Yellowknife Bay: Evidence for the Preservation of Organics in a Mudstone on Mars (2015) (3)
Origin of Chlorobenzene Detected by the Curiosity Rover in Yellowknife Bay: Evidence for Martian Organics in the Sheepbed Mudstone? (2014) (3)
Synergy of Analytical Approaches Enables a Robust Assessment of the Brazil Mystery Oil Spill (2022) (3)
Multi-stage Ediacaran ocean oxidation and its impact on evolutionary radiation (2006) (3)
heterologous host Proteorhodopsin photosystem gene expression enables photophosphorylation in a (2007) (2)
Hydrocarbon Analysis of Hamersley Basin Deep Drill Cores: Preliminary Results (2004) (2)
Environmental Implications of Ediacaran C-isotopic Shifts (2008) (2)
Biomarkers reveal Eocene marine incursions into the Qaidam Basin, north Tibetan Plateau (2022) (2)
Proterozoic carbon cycle (1993) (2)
Biomarkers Indigenous to Late Archean Rocks (2003) (2)
Microbial Mayhem in the Nascent Chicxulub Crater (2019) (2)
Where is the ooid factory (2014) (2)
Alkaloids of the Genus Cinnamomum. III. Identification of Reticuline as the Major Bark Alkaloid of Cinnamomum laubattii (1972) (2)
Reconciling discrepant minor sulfur isotope records of the Great Oxidation Event (2023) (2)
Lipid Biomarker Records Across the Permian-Triassic Boundary from Kap Stosch, Greenland (2006) (2)
Microbial ecology: Molecular probing of deep secrets (1999) (2)
Lipid Biomarkers for Methanogens in Hypersaline Cyanobacterial Mats for Guerrero Negro, Baja California Sur (2002) (2)
Sample Chemistry Revealed by TMAH-Evolved Gas Analysis: Results from the First In Situ Thermochemolysis Experiment at Gale Crater, Mars (2020) (2)
Agnostic Biosignature Exploration at Europa through Plume Sampling (2021) (2)
The determination of phenylalanine in serum by mass fragmentography. (1973) (2)
Studies of the thermal N 3 to N 9 rearrangement of the 3-β-D-Glucoside of the cytokinin, 6-benzylaminopurine (1978) (2)
The biogeochemical cycling of sulfur, carbon and nitrogen across the Permian-Triassic (P-Tr) Hovea-3 borehole (Western Australia) and Schuchert Dal Section (Eastern Greenland) (2006) (2)
Widespread Sterol Methyltransferase Participates in the Biosynthesis of Both C4α- and C4β-Methyl Sterols (2022) (2)
Molecular evidence for a microbial role in ooid formation and preservation of molecular biosignatures in ancient oolite (2015) (2)
Frontiers of Astrobiology: Terran Metabolism (2012) (1)
Carbon and hydrogen isotopic analysis of hydrocarbons from the South Oman Salt Basin (2006) (1)
Lipid biomarkers in ooids from different locations and ages provide evidence for a common bacterial flora (Invited) (2010) (1)
METABOLIC STUDIES OF TRANSIENT TYROSINEMIA AND LATE METABOLIC ACIDOSIS IN PREMATURE INFANTS (1974) (1)
Biological Markers for Discriminating Cainozoic Petroleum Source Rocks in Southeast Asia: ABSTRACT (1994) (1)
Hydrological Controls on Sulfur Cycling in the Green River Formation (2020) (1)
Mars Organic Matter Revealed by the Detection of Organo-chlorinated Molecules from Pyro-GCMS Analyses of Yellowknife Bay Mudstone (2015) (1)
The alkaloids of some Australian and New Guinea plants (1971) (1)
Low fossilisation potential of keratin protein revealed by experimental taphonomy. Palaeontology (2017) (1)
Report ls the Advantage of Size in the Oldest Communities of Multicellular Eukaryotes (2014) (1)
2-Methylhopanoids: Biomarkers for Cyanobacteria and for Oxygenic Photosynthesis (1999) (1)
Archaea, Bacteria, and Sulfur-Cycling in a Shallow-Sea Hydrothermal Ecosystem (2009) (1)
Reply to the Comment by E. W. Domack on (1995) (1)
Botryococcenone, an Oxygenated Botryococcene from Botryococcus braunii (1991) (1)
Biomarkers reveal episodic marine incursions within the 'non-marine' Qaidam Basin (2019) (1)
Biomarker insights into microbial activity in the serpentinite-hosted ecosystem of the Semail Ophiolite, Oman (2012) (1)
Carbon Isotopic Fractionation Associated with Cyanobacterial Biomarkers: 2-Methylhopanoids and Methyl-Branched Alkanes (2001) (1)
Identification of Biosignature Preservation Windows to Guide MSL Landing Site Selection (2010) (1)
Carotenoids as Correlation Tools and Environment- And Age-Sensitive Biomarkers in Oils (2019) (1)
The Proterozoic carbon isotopic record of organic burial rates, changing redox conditions and atmospheric CO[sub 2] levels (1992) (1)
SYNTHESIS OF β-(TRIMETHYLARSONIUM)LACTATE (1982) (1)
Targeted genomic discovery of biosynthetic pathways: Anaerobic synthesis of hopanoids by Geobacter sulfurreducens (2004) (1)
STEROL METHYLTRANSFERASES IN ANNELID WORMS REWRITE THE MOLECULAR FOSSIL RECORD (2022) (1)
Lipids, biomarkers and the history of life (2004) (1)
Biogeochemistry of silicious biofilms in geothermal ecosystems (2006) (1)
Identification of Chitin Preserved in a Pennsylvanian Age Fossil Scorpion Cuticle (2010) (1)
Terminal Proterozoic Benthic Microbial Mats and Their Environmental Significance (1999) (1)
Possible Global Distribution of Reduced Carbon in Surface Sediments on Mars: Evidence from Volatiles Released from the Rocknest Eolian Drift, Gale Crater (2014) (1)
Comparative soft‐tissue preservation in Holocene‐age capelin concretions (2021) (1)
Detection of Organic Constituents Including Chloromethylpropene in the Analyses of the ROCKNEST Drift by Sample Analysis at Mars (SAM) (2013) (1)
Petroleum Systems of the North West Shelf, Australia: How Many Are There? (1996) (1)
Data from: Preservation of uropygial gland lipids in a 48-million-year-old bird (2017) (1)
An isotopic biogeochemical study of the Oxford Clay Formation (U.K.) (1992) (1)
Ecosystem Resilience to Ocean Deoxygenation and Acidification: Lessons from Contrasting Mass Extinction Events (2012) (1)
Changes in lipid and proteome composition accompany growth of Bacillus subterraneus MITOT1 under supercritical CO2 and may promote acclimation to associated stresses (2018) (1)
What are the Acceptable Limits of Organic Contamination in Potential Returned Mars Samples (2014) (1)
Effect of the Presence of Chlorates and Perchlorates on the Pyrolysis of Organic Compounds: Implications for Measurements Done with the SAM Experiment Onboard the Curiosity Rover (2016) (1)
iVFTs - immersive virtual field trips for interactive learning about Earth's environment. (2014) (1)
Fatty Acid Detection in Mars-Analogous Rock Samples with the TMAH Wet Chemistry Experiment on the Sample Analysis at Mars (SAM) Instrument (2017) (1)
Synthesis of (2H5) indole‐3‐pyruvic acid (1983) (1)
Molecular Studies of Filamentous and Biofilm-Forming Hyperthermophilic Communities in Yellowstone National Park (2005) (1)
Biogeochemically cycling of C, S, H across the P/Tr boundary in Spitsbergen (2009) (1)
INFLUENCE OF OXYCHLORINE PHASES DURING THE PYROLYSIS OF ORGANIC COMPOUNDS AND THE QUEST OF ORGANICS ON MARS WITH THE SAM INSTRUMENT (2017) (1)
Thermal maturity of the 1. 05 Ga Nonesuch Formation, North American Midcontinent rift: Biomarker ratios and hopane and sterane stereoisomers (1991) (1)
The role of tectonics and hydrothermalism in early human evolution at Olduvai Gorge (2019) (1)
Isotopic Composition of Carbon Dioxide Released from Confidence Hills Sediment as Measured by the Sample Analysis at Mars (SAM) Quadrupole Mass Spectrometer (2015) (1)
Geolipids produced by methanogens and sulfate-reducing bacteria at the Lost City Hydrothermal Field (2003) (1)
Hopanoid Biomarker Preservation In Coniform (Phormidium) Stromatolites in Siliceous Thermal Springs, Yellowstone National Park (2000) (1)
[1]2 The Petroleum Systems of the North West Shelf, Australia (1997) (1)
Lipid Biomarkers From Microbial Mats on the McMurdo Ice Shelf, Antarctica: Signatures for Life in the Cryosphere (2022) (1)
Hypersaline Microbial Mat Lipid Biomarkers (2002) (1)
Isolation and characterization of ancient hydrocarbon biomarkers from crystalline minerals (2008) (0)
Redox-Controlled Ammonium Storage and Overturn in Ediacaran Oceans (2021) (0)
High-resolution C-N-S-Fe isotope chemostratigraphy of the terminal Proterozoic Huqf Supergroup, Sultanate of Oman: reorganization of global biogeochemical cycles and the progressive oxygenation of the ocean (2004) (0)
Towards understanding the biological function of hopanoids (Invited) (2010) (0)
Biomarker changes across the Toarcian (early Jurassic) ocean anoxic event (2004) (0)
Compound-specific isotope analysis of cyanobacterial pure cultures and microbial mats: Effects of photorespiration? (2006) (0)
New insights into the role of phosphate-free lipids in anaerobic environments (2016) (0)
Use of Molecular Fossils for the Interpretation of Paleoenvironments on Early Earth: The Synthesis of Lipid Biomarkers by Methane-Oxidizing Bacteria (1994) (0)
Lawrence Berkeley National Laboratory Recent Work Title System-wide adaptations of Desulfovibrio alaskensis G 20 to phosphate-limited conditions (2016) (0)
Realizing the Full Potential of Lipidomics: A New Protool for an Improved Extraction of the Intact Polar Lipids of Archaea (2021) (0)
In Situ Carbon and Sulfur Isotope Analysis of Archean Organic Matter and Pyrite (2012) (0)
Acceptance of the 2003 Alfred E. Treibs award (2006) (0)
A CARBON AND NITROGEN ISOTOPE PERSPECTIVE ON 13C EXCURSIONS AND EXTINCTIONS AT THE EDIACARAN/CAMBRIAN BOUNDARY (2016) (0)
The quantitation of beta-aminoisobutyric acid in urine by mass fragmentography. (1973) (0)
Early Cretaceous marine incursions into South Atlantic rift basins originated from the south (2023) (0)
Changes in microbial intact polar membrane lipids related to environmental parameters at Yellowstone National Park hot springs (2012) (0)
AN ALTERNATIVE EXPLANATION TO THE INITIAL CARBON ISOTOPE EXCURSION AT ST. AUDRIE’S BAY DURING THE END-TRIASSIC MASS EXTINCTION AS INDICATED BY BIOMARKER ANALYSIS (2016) (0)
Five Years of Analyses of Volatiles, Isotopes and Organics in Gale Crater Materials (2017) (0)
Distinctive stable carbon isotope ratios indicative of carbon-cycle perturbations at the Permian-Triassic boundary (2008) (0)
Molecular Characterization and Effect of Diagenesis and Maduration of Melanin in the Fossil Record (2019) (0)
Changes in Photosynthetic Microbial Communities in a 'Pink' Soda Bay in the Chicxulub Crater after the K/Pg Extinction (2018) (0)
Methylhopane Biomarker and Carbon Isotopic Evidence for Late Archean Aerobic Ecosystems (2007) (0)
AN IMPROVED PHENANTHRENE SYNTHESIS- A SIMPLE ROUTE TO (.+-.)-TYLOPHORINE (1978) (0)
Centennial scale sequences of environmental deterioration preceded the end-Permian mass extinction (2023) (0)
Biomarkers and Isotopes in the End-Triassic Extinction: Implications for the δ13Corg Record and Extinction (2020) (0)
FAR-DEEP: organic carbon isotope chemostratigraphy of early Paleoproterozoic sediments from Fennoscandia (2010) (0)
Fatty acids, alcohols and hydrocarbons of microbial mats from Lake 2A on Kiritimati Island (2010) (0)
An Evaluation of the Hydrocarbon Trap as a Potential Source of Organic Compounds Detected by the SAM Instrument on the Curiosity Rover (2014) (0)
Recognizing Life from a Distance: Organic Biosignatures of Modern and Ancient Life (2007) (0)
ADVANCING 25 YEARS OF DIGITAL INNOVATION - EXPLORING THE EVOLUTION OF 360° VIRTUAL FIELD TRIPS FROM APPLE’S HUMAN INTERFACE GROUP TO MODERN GAMIFICATION AND BEYOND (2019) (0)
Insights regarding foraminiferal influences on microfabrics of microbialites at Highborne Cay, Bahamas (2013) (0)
An Archean Biosphere Initiative (2011) (0)
Biomarker evidence for Archean oxygen fluxes (Invited) (2010) (0)
Rapid and direct screening of H:C ratio in Archean kerogen via microRaman Spectroscopy (2015) (0)
Lipid biomarker comparison of relict and active microbial mats from the McMurdo Ice Shelf, Antarctica (2023) (0)
Rapid screening of microbial cultures and organic macromolecules to assess biomarker lipid contents using catalytic hydropyrolysis (2004) (0)
Hydrocarbon Biomarker Stratigraphy of C-Isotopic Excursions Marking Chemical Changes in the Ocean with Contemporanious Biotic Extinction-Radiation Events (2004) (0)
Seasick: Ocean Change and the Extinction of Life on Earth.ByAlanna Mitchell. Chicago (Illinois): University of Chicago Press. $25.00. x + 161 p.; index. ISBN: 978‐0‐226‐53258‐5. 2009. (2010) (0)
Uncoupled C and S biogeochemical cycling in the Neoproterozoic from the Huqf Supergroup, Oman (2005) (0)
In vivo Activities of Carbonic Anhydrase and PEP Carboxylase (1984) (0)
Lipids biomarkers of the deep terrestrial subsurface biosphere (2014) (0)
Determination of the Possible Source of Chlorinated Hydrocarbons Detected By SAM during MSL Mission (2014) (0)
Lipid Biomarkers for a Hypersaline Microbial Mat Community (2004) (0)
Sources of C30 steroid biomarkers in Neoproterozoic–Cambrian rocks and oils (2019) (0)
Demosponge steroid biomarker 26-methylstigmastane provides evidence for Neoproterozoic animals (2018) (0)
Exploring ancient microbial community assemblages by creating complex lipid biomarker profiles for stromatolites and microbial mats in Hamelin Pool, Shark Bay, Australia (2015) (0)
USING BIOMARKER GENOMICS TO DATE THE RISE OF COMPLEX LIFE (2017) (0)
Inter-decadal changes in the intensity of the Oxygen Minimum Zone off Concepción, Chile (~ 36° S) over the last century (2015) (0)
11. BIOMARKER AND PYROLYSIS GEOCHEMISTRY OF ORGANIC MATTER FROM ARGO AND GASCOYNE ABYSSAL PLAIN SEDIMENTS, NORTHEASTERN INDIAN OCEAN1 (1992) (0)
Carbon Isotope Fractionations Associated with Methanotrophic Growth with the Soluble and Particulate Methane Monooxygenases (1996) (0)
Corrigendum to “Evidence for photic zone euxinia through the end-Permian mass extinction in the Panthalassic Ocean (Peace River Basin, Western Canada)” (2009) (0)
CAROTENOIDSAS ENVIRONMENTAL BIOMARKERS IN NEOPROTEROZOIC SEDIMENTS AND OILS (2019) (0)
Influence of Oxychlorine Phases During the Pyrolysis of Organic Molecules: Implications for the Quest of Organics on Mars with the SAM Experiment Onboard the Curiosity Rover (2017) (0)
Microbial communities and organic biomarkers in a Proterozoicanalog sinkhole (2017) (0)
Australian contributions to the field of organic geochemistry (2005) (0)
The cloud paradigm: Geostable molecules as proxies for surface oxygenation (2010) (0)
(Table 1) Ratio of hydroxy-GDGT vs. the total core GDGT was calculated based on the detection of hydroxy-GDGT (2012) (0)
Indigenous and exogenous organics and surface–atmosphere cycling inferred from carbon and oxygen isotopes at Gale crater (2020) (0)
THE END-TRIASSIC INITIAL CARBON ISOTOPIC EXCURSION: NOT YOUR GRANDPA’S CIE (2018) (0)
12.158 / 12.458 Molecular Biogeochemistry, Fall 2010 (2010) (0)
Analysis of Faecal Substrates Sheds Light into Coprostanol Origin, Preservation and Diagenesis (2019) (0)
Marine source rocks of New Zeland (1996) (0)
Sterane Patterns and Deep Water Redox in the Neoproterozoic (2010) (0)
Hydrocarbons of microbial mats from Lake 2A on Kiritimati Island (2010) (0)
In Situ Observations of Refractory Organic Matter in Lacustrine Mudstones of Gale Crater and Their Implications for the Search for Organic Biosignatures (2016) (0)
An interlaboratory study of TEX[subscript 86] and BIT analysis of sediments, extracts, and standard mixtures (2013) (0)
Geostable molecules and the Late Archean 'Whiff of Oxygen' (2012) (0)
BIOmarkers: The Oral History of Organic Geochemistry (2021) (0)
Constraints on the Evolution of the Ediacara with Special Consideration of the Mistaken Point Rangeomorph Fauna (2010) (0)
BIOMARKER AND PYROLYSIS GEOCHEMISTRY OF ORGANIC MATTER FROM ARGO AND GASCOYNE ABYSSAL PLAIN SEDIMENTS , NORTHEASTERN INDIAN OCEAN (2006) (0)
Strategies of life detection - Foreword (2008) (0)
C-Isotopic fractionation during methylotrophic methanogenesis: ABSTRACT (1996) (0)
Biomarker evidence for shallow water marine euxinia through the PTB in the Panthalassic Ocean (Peace River Basin Embayment, Canada) (2007) (0)
Impact of the Sample Preparation on the Organic Compounds Detetected on Mars at JK and CB (2014) (0)
Variation in 5βstanols Excretion in Humans and Its Implications for the Application of Fecal Biomarkers in Archaeology (2018) (0)
112 Origin and evolution of Asian Dipterocarps : Evidences from resin chemistry and palynological data (2012) (0)
Organic Geochemical Perspectives on Hydrothermalism at Olduvai Gorge, 1.7 Mya (2019) (0)
Bulk elemental and stable isotope data across the Cretaceous-Paleogene boundary (2019) (0)
Rapid, high-resolution C-14 chronology of ooids (2015) (0)
Virtual Exploration of Earth's Evolution (2014) (0)
Linking Archaeal Molecular Diversity and Lipid Biomarker Composition in a Hypersaline Microbial Mat Community (2005) (0)
Spatially Resolved, In Situ Carbon Isotope Analysis of Archean Organic Matter (2011) (0)
C-isotopic studies of hydrocarbons in Neoproterozoic to Cambrian samples (2009) (0)
BIOSYNTHESIS OF TETRAETHER MEMBRANE LIPIDS IN THE ARCHAEON SULFOLOBUS ACIDOCALDARIUS (2018) (0)
Methanogenic Blow-up in the End-Permian Carbon Cycle (2012) (0)
Preservat ion of feather fibers from the Late Cretaceous dinosaur Shuvuuia desert i raises concern about immunohistochemical analyses on fossi ls (2018) (0)
Bacterial and Archaeal Community Dynamics at CO2-RICH Shallow-Sea Hydrothermal Vents (panarea, Italy) (2013) (0)
(Table 3) Organic geochemistry of ODP Hole 123-766A (1992) (0)
Occurrence and distribution of bacterial tetraether lipids in the Eocene Canadian Arctic paleosols: paleoclimate implications (Invited) (2010) (0)
Constraining fluctuations in atmospheric oxygen in the wake of the Great Oxidation Event(s) (2022) (0)
ABSTRACT: SPECTROSCOPIC AND MICROSCOPIC CHARACTERIZATION OF CARBONACEOUS MATERIAL IN ARCHAEAN CHERTS, PILBARA CRATON, WESTERN AUSTRALIA (2004) (0)
Identification of hopanoid, sterol, and tetrahymanol production in the aerobic methanotroph Methylomicrobium alcaliphilum 20Z (2013) (0)
Late Proterozoic Biogeochemical Cycles (2007) (0)
The Proterozoic Biosphere: Procedures for Analysis of Extactable Organic Matter (1992) (0)
Fatty acids of microbial mats from Lake 2A on Kiritimati Island (2010) (0)
Mineral and Geochemical Classification From Spectroscopy/Diffraction Through Neural Networks (2017) (0)
Alcohols of microbial mats from Lake 2A on Kiritimati Island (2010) (0)
Biomarker Insights into the End-Triassic Mass Extinction in the Sw Uk – an Oversimplified Iconic Carbon Isotope Excursion (2019) (0)
Preservation of organics at Mars' near-surface (2016) (0)
(Table 6) Maturation-dependent biomarkers in ODP Leg 123 samples (1992) (0)
Biller Bacterial Vesicles in Marine Ecosystems (2014) (0)
Diagenetic and Detrial Origin of Moretane Anomalies through the Permian-Triassic Boundary (2012) (0)
Lipid biomarkers: molecular tools for illuminating the history of microbial life (2021) (0)
FIGUW 4 GAS CIIROMATO(;fiAPiI OF URINARY ACID PROPILE (2002) (0)
Precambrian organic matterorganic matter (1998) (0)
Silicious Biofilms in Alkaline Geyser Basins of Yellowstone National Park (2006) (0)
Supplementary material to "Ocean Deoxygenation: Past, Present, and Future" (2011) (0)
Exploring mass extinction events and their association with global warming events from muliproxy biomarker and isotopic approaches (2011) (0)
Teaching Geochronology and Deep Time Planetary History to High School Students (2010) (0)
Lithosphere-biosphere interaction at a shallow-sea hydrothermal vent site; Hot Lake, Panarea, Italy (2010) (0)
From Biosignatures to Ecosignatures: A Neoarchean Methylhopane Record of Aerobic Ecosystems (2008) (0)
MOLECULAR CLOCKS FOR MOLECULES: AN INTERSECTION OF GEOBIOLOGY AND GEOCHRONOLOGY (2016) (0)
Molecular biomarker records from mid-Proterozoic sedimentary rocks and kerogens (2009) (0)
The synthesis of phenanthropiperidines (1968) (0)
Carbon and Sulfur Isotopic Composition of Yellowknife Bay Sediments: Measurements by the Sample Analysis at Mars (SAM) Quadrupole Mass Spectrometer (2014) (0)
Geochemical appraisal of palaeo-oil columns: implications for petroleum systems analysis in the Bonaparte Basin. Abstract and poster presentation (2000) (0)
Preservation of Reduced Carbon on Mars: Implications for Understanding Habitability (2007) (0)
Microbial mats record magmatically driven sea level fall as a prelude to the end-Triassic mass extinction (2019) (0)
Automated Mineral and Geochemical Classification From Spectroscopy Data using Machine Learning (2018) (0)
From SAM Instrument Background to Martian Signal: Challenges of Solid Sample Analyses on Mars (2014) (0)
Biomarkers---Recorders of Early Life on Earth (2001) (0)
12.007 Geobiology, Spring 2009 (2003) (0)
Biogeochemical indicators of euxinic oceans presaging the end-Permian mass extinction at Meishan, China (2008) (0)
12.458 Molecular Biogeochemistry, Fall 2006 (2006) (0)
Biomarker Signals from Microbial Mats in Melt Water Ponds from Bratina Island on the Mcmurdo Ice Shelf, Antarctica (2019) (0)
Determination of the Possible Sources of Chlorinated Hydrocarbons Detected During Viking and MSL Missions (2015) (0)
The Search for Organic Compounds of Martian Origin in Gale Crater by the Sample Analysis at Mars (SAM) Instrument on Curiosity (2014) (0)
Fractionation of carbon isotopes in Methanosarcina barkeri (2006) (0)
C-Isotopic fractionation during methylotrophic Methanogenesis (1996) (0)
McKayCEOASInter-DecadalChangesIntensityDiscussionPaper.pdf (2017) (0)
Abstract # 13038-The Early Evolution of Life as Reflected in the Molecular Record (2002) (0)
GENOMIC APPROACHES TO EXPLORING THE GOE (2017) (0)
Nitrogen fixation sustained productivity in the wake of the Palaeoproterozoic Great Oxygenation Event (2018) (0)
Locating Effective Source Rocks in Deltaic Petroleum Systems: Making Better Use of Land-Plant Biomarkers (1997) (0)
Citation for the Treibs Award to Prof. Katherine H. Freeman (2017) (0)
Carbon Isotope and Lipid Biomarker Stratigraphy from Organic-Rich Strata Through the Neoproterozoic Shuram Excursion in South Oman (2013) (0)
The age and palaeoenvironmental conditions spanning the Permian/Triassic boundary in the northern onshore Perth Basin by using biomarker distributions and stable isotopes (C, H) (2011) (0)
Diethers enriched in 13 C suggest carbon-limitation at the Lost City Hydrothermal Field (2004) (0)
A Novel Approach for Identification and Quantification of Enantiomeric Excess in Chiral Carboxylic Acids from EET 87770 and Murchison (2010) (0)
Geochemistry of ODP Sites 123-765 and 123-766 (1992) (0)
Demosponge steroidal biomarkers: primary biological origin or secondary diagenetic products? (2022) (0)
Paired carbonate clumped isotope and biomarker records of Neoproterozoic habitats from NE Svalbard (2018) (0)
Table 1) Organic geochemistry of ODP Leg 123 sites (1992) (0)
Origin and alteration of organic matter of the Oxford Clay Formation (U.K.) determined from bulk geochemical analyses (1992) (0)

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