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The AAPG/Datapages Combined Publications Database
Showing 6,038 Results. Searched 200,357 documents.
Mineralogy of some Hawaiian Coastal and Marine Carbonates: ABSTRACT
Pow-Foong Fan
AAPG Bulletin
... mineral assemblages was determined by X-ray diffraction analyses to correlate the mineralogy, the sources, and the depositional environments. Beaches...
1972
Nonskeletal Carbonates from Baffin Bay, Texas: ABSTRACT
J. S. Kier
AAPG Bulletin
..., Texas, and 1 piston core was taken from an adjacent blue-green algal mat lagoon. The cores ranged in length from 85 to 670 cm. X-ray diffraction...
1972
Marine Diagenesis of Carbonate Sediment, Bonaire, Netherlands Antilles: ABSTRACT
D. F. Sibley, R. C. Murray
AAPG Bulletin
... micritization of the high-Mg calcite of the encrusting coralline algae. Electron microprobe and X-ray diffraction analysis of these coatings...
1972
Chertification Phenomena in Antarctic and Pacific Deep-Sea Sediments--a Scanning Electron Microscope and X-ray Diffraction Study: ABSTRACT
F. M. Weaver, S. W. Wise
AAPG Bulletin
...Chertification Phenomena in Antarctic and Pacific Deep-Sea Sediments--a Scanning Electron Microscope and X-ray Diffraction Study: ABSTRACT F. M...
1972
Chemical Coefficients for Iron, Manganese, Lead, Zinc, and Copper in River Water and Suspended Load, and Mineralogic Composition of Suspended Load of Selected Kansas River Systems: ABSTRACT
E. E. Angino
AAPG Bulletin
... relation between trace element content and season in most Kansas streams. X-ray diffraction study of the mineralogic content of the suspended load...
1973
Practical Application of Remote Sensing to Petroleum and Mineral Exploration: ABSTRACT
Norman H. Foster
AAPG Bulletin
... been useful in limestone-dolomite studies. X-ray diffraction patterns long have been used in mineral identification. In exploration for radioactive...
1973
Lateral Variations of Clay Minerals in Deltaic Sediments of Colville and Adjacent Rivers, North Slope, Alaska: ABSTRACT
A. S. Naidu, T. C. Mowatt
AAPG Bulletin
... diffraction. In almost all samples illite is the predominant clay mineral; smectite, chlorite, and kaolinite are present in minor amounts. In the Colville...
1973
Ultramorphology of Carbonate and Silicate Phases Associated With Deep-Sea Chert: ABSTRACT
Fred W. Weaver, Sherwood W. Wise
AAPG Bulletin
...) Deep-sea diagenesis resulting in chert-nodule formation has been studied by scanning electron microscopy, light microscopy, X-ray diffraction...
1973
Salt Deposition in North Arm, Great Salt Lake, Utah: ABSTRACT
Jonathan H. Goodwin
AAPG Bulletin
... in the north arm since the causeway was completed 13 years ago; a rate of 150 million tons per year. X-ray diffraction analysis of more than 150 samples...
1973
Epigenetic Alunite Pisolites Formed by Natural Gases in Western Merced County, California: ABSTRACT
Nikola P. Prokopovich, Luvern L. Resler
AAPG Bulletin
... the Pleistocene Corcoran Clay Member. X-ray diffraction of the sandstone cement yielded abundant alunite. Data collected during studies of iron sulfide...
1973
Occurrence and Alteration of Clay Minerals in Caribbean Sea: ABSTRACT
C. M. Johnson, T. R. McKee, A. H. Bouma
AAPG Bulletin
... vertical and horizontal trends in clay mineralogy are examined in cores from the southwestern and central Caribbean. X-ray diffraction, differential...
1973
Quantitative Determination of Minerals in Australian Tertiary Oil Shales, by A. Mandile and A. Hutton; #90986 (1994).
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1994
The Importance of Quantification of Reservoir Mineralogy in Thermally Enhanced Recovery Projects: A Study Via Computer Simulations, by C. H. Moore, J. S. Dudley, and A. Cochran; #90986 (1994).
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1994
Burial Diagenesis of Clay Minerals in Jurassic Sandstones, Reconcavo Basin, Brazil, by C. R. O. Rodrigues and S. M. C. Anjos; #90986 (1994).
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1994
Abstract: Gastroliths, Rigor Mortis, and Taphonomy of the Seismosaurus Site, by David D. Gillette; #90985 (1994).
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1994
Abstract: Identification and Quantification of Silica Phases in the Monterey Formation Using Infrared Spectroscopy, by D. Harville and A. Britton; #90981 (1994).
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1994
Pyritization in Shells of Living Bivalves: ABSTRACT
George R. Clark, Richard A. Lutz
AAPG Bulletin
... identified iron and sulfur as the principal components of this material. Preliminary X-ray diffraction studies on mechanical preparations of the outermost...
1979
Variations of Morphology and Sediment Transport Within Crenulate-Bay Beaches: ABSTRACT
Kenneth Finkelstein
AAPG Bulletin
...-refraction, diffraction, and reflection patterns which helped to determine transport directions. Results indicate: (1) Grain size coarsens toward...
1979
Microscopic Distribution of Uranium in Oakville Sandstone, South Texas: ABSTRACT
Edward C. Jonas, Omer I. Ece
AAPG Bulletin
... not possible to identify any ura ium-bearing mineral by X-ray diffraction. This suggests that uranium may be held in the sandstone as an amorphous oxide...
1979
Diagenetic Alteration in Eocene Alluvial-Plain Deposits, Sierra Nevada Foothills, California: ABSTRACT
James I. Maynard
AAPG Bulletin
... of thin sections and X-ray diffraction patterns reveals that mica, amphibole, and feldspar in cobbles of various compositions are replaced predominantly...
1979
Compositional Variations in Fabric-Element-Based Lithotype Classification for Devonian Shales: ABSTRACT
David S. Klanderman, Michael E. Hohn
AAPG Bulletin
..., gamma-ray log response, silt (by thin-section point counts), quartz, illite, pyrite, and 14 angstrom clays quantified relatively by X-ray diffraction...
1979
Chemical Differentiation of Temperate and Tropical Limestone-Derived Soils: ABSTRACT
W. C. Isphording
AAPG Bulletin
... samples, certain trace elements were determined as well (Ba, Zn, Sc, La, Ce, Eu, Lu, Rb, Hf, Cr, and Co). X-ray diffraction analyses were also carried...
1979
Geochemistry of Small Lacustrine Delta, Great Salt Plains, Alfalfa County, Oklahoma: ABSTRACT
Kenneth A. Lipstreuer, Colin Barker
AAPG Bulletin
.... X-ray diffraction indicated the presence of quartz, feldspars, calcite, dolomite, mica, kaolinite, illite, and montmorillonite in the sediments...
1979
X-Ray Mineralogy of Upper Freeport Coal: ABSTRACT
F. T. Dulong, C. B. Cecil, R. W. Stanton
AAPG Bulletin
... correlation coefficients (non-parametric) were determined on a data matrix which consisted of the X-ray diffraction data, the major oxide...
1980
Shale Mineralogy of General Crude Oil and Department of Energy 1 Pleasant Bayou Geopressured-Geothermal Test Well, Brazoria County, Texas: ABSTRACT
Robert L. Freed
AAPG Bulletin
... diffraction methods to determine changes in a mineralogy with depth. Quartz is present in all samples and averages 15 wt. %. Above 7,800 ft (2,377 m...
1980