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The AAPG/Datapages Combined Publications Database
Showing 6,048 Results. Searched 200,619 documents.
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
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
Water-Rock Interaction During Clastic Diagenesis in Both Open and Closed Systems: ABSTRACT
Ian Hutcheon
AAPG Bulletin
... with mineral reactions inferred from X-ray diffraction. Equilibria of the form (2), kaolinite + K+ ^rlhar2 clay mineral or feldspar + H+, can be used...
1980
Opal-Cristobalite-Cemented Sands in Catahoula Formation--Implications on Source of Silica Cementation of Quartzose Sandstones: ABSTRACT
Ernest B. Ledger, Thomas T. Tieh
AAPG Bulletin
... Coast, are in places cemented by an opaline material. Petrographic, X-ray diffraction, and electron microscopy studies indicate that the cement (1...
1980
Structural and Sedimentologic Study of Cerro Prieto Geothermal Field, Baja California, Mexico: ABSTRACT
John E. Noble
AAPG Bulletin
... reservoir. Petrographic, SEM, and X-ray diffraction analyses were made of the well bore cuttings to determine the degree and distribution of hydrothermal...
1980
Clay Minerals as Indicators for Depositional Environment in South Halletsville Field, Lavaca County, Texas: ABSTRACT
Robert L. Freed
AAPG Bulletin
... core samples from the General Crude Oil Co. 1 A. G. Henkes Gas Unit were analyzed by X-ray diffraction methods to determine whether a semiquantitative...
1980
ABSTRACT: The Low Vitrinite Reflectance Observed in the Miocene Formations in S.E. Asia- Suppressed or Cooler Thermal History?, by Kazuo Nakayama; #91019 (1996)
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1996
Sedimentation on North Shelf of Puerto Rico: ABSTRACT
David M. Bush, Zev N. Grossman, Orrin H. Pilkey
AAPG Bulletin
... terrigenous deposits are continuous between rivers, sediments sources have been delineated using X-ray diffraction of the heavy mineral suites...
1981
Mineralogy and Petrology of Texaco's Hobson Uranium Deposit, Karnes County, Texas: ABSTRACT
Harry M. Dahl, Harold A. Palmer, Christie A. Callender
AAPG Bulletin
... of the roll-front. Details of the uranium mineralization were studied using thin section microscopy, autoradiography, X-ray diffraction, scanning...
1981
Burial Diagenesis of Illite/Smectite, a Kinetic Model: ABSTRACT
D. G. McCubbin, J. W. Patton
AAPG Bulletin
...Burial Diagenesis of Illite/Smectite, a Kinetic Model: ABSTRACT D. G. McCubbin, J. W. Patton 1981 956 956 65 5. (May) X-ray diffraction analysis...
1981
Diagenetic Trends in Siliceous Facies of Monterey Formation, California: ABSTRACT
Kenneth A. Pisciotto
AAPG Bulletin
...) commonly accompanies these changes. X-ray diffraction analyses of surface and subsurface samples define present boundaries of silica zones. Within...
1981