Walter David Keller
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Walter David Kellerearth-sciences Degrees
Earth Sciences
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Environmental Science
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Earth Sciences
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(Suggest an Edit or Addition)Walter David Keller'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 Works
- Environmental aspects of clay minerals (1970) (183)
- Dissolution of rock-forming silicate minerals in organic acids: Simulated first-stage weathering of fresh mineral surfaces (1970) (168)
- A comparative study of the role of lichens and "inorganic" processes in the chemical weathering of Recent Hawaiian lava flows (1970) (152)
- Morphology of Clay Minerals in the Smectite-to-Illite Conversion Series by Scanning Electron Microscopy (1986) (116)
- Classification of Kaolins Exemplified by Their Textures in Scan Electron Micrographs (1978) (108)
- Scan Electron Micrographs of Kaolins Collected from Diverse Environments of Origin—I (1976) (107)
- The Principles of Chemical Weathering (1955) (105)
- Organic Acids as Agents of Chemical Weathering of Silicate Minerals (1972) (99)
- DISSOLUTION OF CLAY MINERALS IN DILUTE ORGANIC ACIDS AT ROOM TEMPERATURE (1971) (96)
- Scan Electron Micrographs of Kaolins Collected from Diverse Environments of Origin—IV. Georgia Kaolin and Kaolinizing Source Rocks (1977) (69)
- Clay Minerals as Influenced by Environments of Their Formation (1956) (68)
- Geochemical Mechanics for the Dissolution, Transport, and Deposition of Aluminum in the Zone of Weathering (1972) (62)
- Kaolinization of feldspar as displayed in scanning electron micrographs (1978) (51)
- Infrared spectra of some rock forming minerals (1952) (46)
- Dissolved Products of Artificially Pulverized Silicate Minerals and Rocks: Part II (1963) (45)
- Role of plants and colloidal acids in the mechanism of weathering (1952) (45)
- Flint Clay and a Flint-Clay Facies (1968) (43)
- The Origin of Missouri Fire Clays (1953) (42)
- Glacial Milks and Their Laboratory-Simulated Counterparts (1963) (42)
- Compositional and Structural Variations in the Size Fractions of a Sedimentary and a Hydrothermal Kaolin (1987) (41)
- The absorption of infrared radiation by clay minerals (1950) (38)
- CLAY MINERALS IN THE MORRISON FORMATION ON THE COLORADO PLATEAU (1958) (36)
- Clays and clay minerals in natural and synthetic systems (1977) (35)
- Effects of Micro-Sized Mixtures of Kaolin Minerals on Properties of Kaolinites (1978) (33)
- Nacrite, Dickite, and Kaolinite in One Deposit in Nayarit, Mexico (1981) (32)
- Glauconitic mica in the Morrison formation in Colorado (1956) (32)
- The Origin of High-Alumina Clay Minerals—A Review (1963) (31)
- Dissimilar Fabrics by Scan Electron Microscopy of Sedimentary Versus Hydrothermal Kaolins in Mexico (1975) (31)
- Textures of Paleozoic chert and novaculite in the Ouachita Mountains of Arkansas and Oklahoma and their geological significance (1985) (30)
- Diagenesis in Clay Minerals—A Review (1962) (29)
- The Nascence of Clay Minerals (1985) (29)
- Kaolin—A most diverse rock in genesis, texture, physical properties, and uses (1982) (26)
- Atlas of infrared spectroscopy of clay minerals and their admixtures (1977) (26)
- Sequential Active Alteration of Rhyolitic Volcanic Rock to Endellite and a Precursor Phase of it at a Spring in Michoacan, Mexico (1971) (24)
- Scan Electron Micrographs of Kaolins Collected from Diverse Origins—III. Influence of Parent Material on Flint Clays and Flint-Like Clays (1976) (23)
- Kaolin Deposits of the GDR in the Northern Region of the Bohemian Massif (1976) (23)
- Drinking water: A geochemical factor in human health (1978) (23)
- Diaspore recrystallized at low temperature (1978) (22)
- Kaolin From The Original Kauling (Gaoling) Mine Locality, Kiangsi Province, China (1980) (21)
- Scan Electron Micrographs of Kaolins Collected from Diverse Environments of Origin—II (1976) (20)
- Size Distribution of Sand in Some Dunes, Beaches, and Sandstones (1945) (20)
- English spoken here. (1966) (20)
- Texture of Arkansas Novaculite indicates thermally induced metamorphism (1977) (20)
- Physical Arrangement of High-Alumina Clay Types in a Missouri Clay Deposit and Implications for Their Genesis (1983) (19)
- Hydrothermal Alteration of a Rhyolite Flow Breccia Near San Luis Potosi, Mexico, to Refractory Kaolin (1968) (19)
- The Sedimentology of Flint Clay (1981) (19)
- Inclusions in the Quartz of Igneous and Metamorphic Rocks (1950) (19)
- Scan Electron Micrographs of Kaolins Collected from Diverse Environments of Origin—V. Kaolins Collected in Australia and Japan on Field Trips of the Sixth and Seventh Clay Conferences (1977) (19)
- Illite And Montmorillonite In Green Sedimentary Rocks (1953) (18)
- Authigenic Kaolinite and Dickite Associated with Metal Sulfides—Probable Indicators of a Regional Thermal Event (1988) (18)
- The pH of clay suspensions in the field and laboratory, and methods of measurement of their pH. (1990) (18)
- Glauconitization of rhyolite sand grains (1964) (17)
- Calculation of apparent standard free energies of formation of six rock-forming silicate minerals from solubility data (1965) (17)
- Native Rocks and Minerals as Fertilizers (1948) (16)
- Allophane and Na-rich alunite from kaolinitic nodules in shale (1967) (16)
- Bulk Densities of Selected Dried Natural and Fired Kaolin Clays (1975) (16)
- Hydrothermal Argillation of Volcanic Pipes in Limestone in Mexico (1969) (16)
- Compositions of condensates from heated clay minerals and shales (1986) (15)
- Analcime in the Popo Agie member of the Chugwater Formation [Wyoming] (1952) (15)
- Clay and other noncarbonate minerals in some limestones (1952) (15)
- Experimental work on red-bed bleaching (1929) (15)
- Petrography and origin of the Rex chert (1941) (15)
- Analcime in the Popo Agie Member of the Chugwater Formation. (1952) (14)
- Evidence for Biogenic Synthesis of an Unusual Ferric Oxide Mineral during Alteration of Basalt by a Tropical Lichen (1970) (14)
- Resiliation of Bauxite at the Alabama Street Mine, Saline County, Arkansas, Illustrated by Scanning Electron Micrographs (1984) (14)
- Clay minerals in the type section of the Morrison Formation (1953) (14)
- The bonding energies of some silicate minerals (1954) (14)
- Oxidation of montmorillonite during laboratory grinding (1955) (13)
- Observations on the Origin of Endellite in Kentucky, and Their Extension to “Indianaite” (1964) (13)
- Response of Apollo 12 lunar dust to reagents simulative of those in the weathering environment of Earth (1971) (13)
- New Stability Diagrams of Some Phyllosilicates in the SiO2-Al2O3-K2O-H2O System (1973) (13)
- Argillation and Direct Bauxitization in Terms of Concentrations of Hydrogen and Metal Cations at Surface of Hydrolyzing Aluminum Silicates (1958) (12)
- Ground-Water Contamination by Dissolved Nitrate (1967) (12)
- Hydroxyl and water in perlite from Superior, Arizona (1954) (12)
- Hydrothermal Kaolinization (Endellitization) of Volcanic Glassy Rock (1961) (11)
- Comparative chemical compositions of aqueous extracts from representative clays (1989) (11)
- Ancient Building Material. (Book Reviews: Stone. Properties, Durability in Man's Environment) (1973) (9)
- Chemical composition of illite (1967) (9)
- Paleotectonic investigations of the Pennsylvanian system in the United States, part II: interpretive summary and special features of the Pennsylvanian system (1975) (9)
- Phosphates in Some Missouri Refractory Clays (1997) (8)
- Bleaching clay deposits, Sanders-Defiance Plateau District, Navajo country, Arizona (1955) (8)
- The petrology of a specimen of the Perry Farm shale [Missouri] (1950) (8)
- STUDY OF THE REFRACTORY PROPERTIES OF TOPAZ (1940) (8)
- Progress and problems in rock weathering related to stone decay (1978) (7)
- Flint-Clay Facies Illustrated within One Deposit of Refractory Clay (1978) (7)
- Textures of tripoli illustrated by scanning electron micrographs (1978) (7)
- Scanning electron micrographs of clay minerals formed by weathering and other genetic processes. (1989) (7)
- A Post-Devonian Igneous Intrusion in Southeastern Missouri (1933) (6)
- Analcime in the Chinle Formation of Utah correlative with the Popo Agie of Wyoming (1953) (6)
- Morphology of kaolinite weathered from a non-feldspathic mica-phyllite (1981) (6)
- Decay and Preservation of Stone (1978) (6)
- Geochemical Weathering of Rocks: Source of Raw Materials for Good Living (1966) (6)
- Flint Clay by Hydrothermal Alteration of Sedimentary Rock in Mexico (1971) (6)
- The Natural Steam at Larderello, Italy (1946) (5)
- Bauxitization of syenite and diabase illustrated in scanning electron micrographs (1979) (5)
- Evidence of Texture on the Origin of the Cheltenham Fireclay of Missouri and Associated Shales (1946) (5)
- Diagenesis in sediments and sedimentary rocks, 2 (Developments in sedimentology, 25B.): G. Larsen and G.V. Chilingar (Editors). Elsevier, Amsterdam, 1983, vii + 572 pp., US $117.00 (USA + Canada)/Dfl. 275.00 (rest of world). Hardback (1984) (4)
- DIFFERENTIAL THERMAL ANALYSES OF SOME MISSOURI FIRE CLAYS (1948) (4)
- Stone decay in urban atmospheres (1978) (4)
- The Energy Factor in Sedimentation (1954) (4)
- EFFECT OF COMPOUNDS OF SULFUR ON REHEAT VOLUME CHANGE OF FIRE‐CLAY AND HIGH‐ALUMINA REFRACTORIES (1946) (4)
- THE EARTH A SLAVE TO ENERGY (1962) (4)
- Diagenesis in sediments and sedimentary rocks 1 (1980) (4)
- Acidity-alkalinity of surface drainage waters as related to underlying silicate rocks (1960) (4)
- Microscopy of Ice Cream with Polarized Light (1943) (4)
- Scanning electron micrography of hydrothermally synthesized kaolin and parent materials during synthesis reactions (1981) (3)
- Anauxite Viewed By Scanning Electron Microscopy (1982) (3)
- Morphology of clay deposited by evaporation of visually clear aqueous phases from clay-water suspensions (1988) (3)
- "Cave pearls" in a cave near Columbia, Missouri (1937) (3)
- Kaolin: a servant of humanity (1985) (3)
- Methods of Kaolin Investigation (1979) (3)
- Coralloidal Opal (1937) (3)
- Diaspore Clay Cast of Fossil Wood in A Missouri Diaspore Pit (1938) (3)
- A Gibbsite-Cemented Quartz Sandstone (1984) (3)
- Mineral and Chemical Alluviation in a Unique Pedologic Example (1961) (3)
- Torbernite in missouri fire clay (1952) (3)
- Clay Colloids as a Cause of Bedding in Sedimentary Rocks (1936) (3)
- The Hydrothermal Synthesis of Kaolinite Up to 350°C (1993) (2)
- Stone weathering: A literature review (1978) (2)
- Carnotite and Radioactive Shale in Missouri (1950) (2)
- Dickite in Missouri (1936) (2)
- “Endellite” will Reduce Ambiguity and Confusion in Nomenclature of “Halloysite” (1976) (2)
- Staining Drill Cuttings for Calcite-Dolomite Differentiation: GEOLOGICAL NOTES (1937) (2)
- Sulfide replacements of a trigonocarpus fossil fern fruit (1947) (2)
- Clay and clay minerals of Japan: Toshio Sudo and Susumu Shimoda (editors). Developments in sedimentology, 26. Rodansha Ltd., Tokyo—Elsevier Scientific Publishing Co., Amsterdam—Oxford—New York, 1978, 326 pp., Dfl. 140.000/US $ 60.75 (1979) (2)
- Geologic systems, energy factors (1988) (2)
- Acid Clay--A Weathering Agent (1947) (2)
- Contrasting fish assemblages in free-flowing and impounded tributaries to the Upper Delaware River: Implications for conserving biodiversity (2015) (2)
- Scanning Electron Micrographs of Claystone Altering to Flint Clay (1982) (2)
- Missouri River Sediments in River Water, Ocean Water, and Sodium Oxalate Solution (1949) (2)
- Argillation of Three Silicate Rocks Expressed in Terms of Ion Transfer (1954) (2)
- Common Rocks and Minerals of Missouri (1961) (2)
- Higher alumina content of oak leaves and twigs growing over clay pits (1949) (2)
- Clay minerals in the mudstones of the ore-bearing formations of the Colorado Plateau (1955) (1)
- Field Work: Our Scientific Birthright (1963) (1)
- Differential packing as a possible display of bedding (1939) (1)
- Detailed survey of the chemical composition of rock layers in an agricultural limestone quarry [Missouri] (1950) (1)
- Chert in the Grenville Marble, Ross Township, Renfrew County, Ontario (1940) (1)
- GEOCHEMICAL MECHANICS FOR THE DISSOLUTION, TRANSPORT, A N D DEPOSITION OF A L U M I N U M IN THE ZONE OF WEATHERING (2006) (1)
- A Mounting Medium of 1.66 Index of Refraction (1934) (1)
- The principles of chemical weathering : an integrated review of the principles of chemical weathering as taken from the literature, and the relation of weathering to certain aspects of geology, pedology, and civilization (1957) (1)
- Uranium in the Clay of a Black Radioactive Shale. (1952) (1)
- Aurichalcite in Missouri (1940) (1)
- Hydrothermal synthesis of kaolinite illustrated by X-ray diffractograms and scanning electron micrographs, part II (1984) (1)
- Microtextures in an Appalachian Metachert Formation, Alabama (1992) (0)
- Problems and Progress in Studies of Diagenesis of Argillaceous Rocks: ABSTRACT (1959) (0)
- Removal of bubbles from old thin-sections of rocks (1935) (0)
- Fundamental Entities in Geology Homo Sapiens, Civilization, and “Homo Discipliens” (1986) (0)
- Clay Minerals from the Viewpoint of the Petroleum Geologist (1956) (0)
- Letter to H.B. Stenzel from W.D. Keller on 1951-01-20 (1951) (0)
- THE ESTIMATION OF THE ALUMINA CONTENT OF DIASPORE AND BURLEY CLAY FROM THE SILICA CONTENT1 (1932) (0)
- Diageness In Sediment. Gunnar Larsen and George V. Chilingar. Elsevier, New York, 1967. vi + 551 pp., illus. $30. Developments in Sedimentology, vol. 8 (1968) (0)
- Textures of Chert and Novaculite: An Exploration Guide: ABSTRACT (1983) (0)
- Mileage Guide to Field Trip of Second Conference on Clay and Clay Minerals, October 14, 1953 (1953) (0)
- The Pit and Plant of the A. P. Green Fire Brick Company: Mexico, Missouri (1941) (0)
- Varve-like Deposit in a Solution Channel (1939) (0)
- Abstract: Textures of Chert and Novaculite: An Exploration Guide (1983) (0)
- Weathering of Silicate Minerals: REPLY (1958) (0)
- Rock Phenomenon: Diageness In Sediment . Gunnar Larsen and George V. Chilingar. Elsevier, New York, 1967. vi + 551 pp., illus. $30. Developments in Sedimentology, vol. 8. (1968) (0)
- The chemistry of clay minerals (1974) (0)
- Erratum to: Flint Clay by Hydrothermal Alteration of Sedimentary Rock in Mexico (1971) (0)
- Ancient Building Material: Stone . Properties, Durability in Man's Environment. E. M. Winkler. Springer-Verlag, New York, 1973. xiv, 230 pp., illus. $33.70. Applied Mineralogy, vol. 4. (1973) (0)
- AN APPLICATION OF STREAK AND HARDNESS USED IN CLAY GRADING. (1930) (0)
- Preliminary study of the clay minerals in some red and green mudstones from the Colorado Plateau (1954) (0)
- Memorial of Oliver Rudolph Grawe (1968) (0)
- Earth Resistivities at Depths Less Than One Hundred Feet (1934) (0)
- Clay Minerals as Cumulative Records of Their Environments: ABSTRACT (1968) (0)
- Differential thermal analysis of high-alumina allophane (1969) (0)
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