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The AAPG/Datapages Combined Publications Database
Showing 6,048 Results. Searched 200,619 documents.
Illite/Smectite Diagenesis in the Beaufort-Mackenzie Basin, Arctic Canada: Relation to Hydrocarbon Occurrence?
J. Ko, R. Hesse
CSPG Bulletin
..._Page 76------------------------- SAMPLES AND X-RAY DIFFRACTION CHARACTERISTICS OF I/S A total of 215 samples (110 core samples, 105 drill cuttings...
1998
A Reconnaissance Survey of the Relationship between Clay Mineralogy and Geological Environment in the Negev (Southern Israel)
Yaacov K. Bentor , Wolf Bodenheimer , Lisa Heller
Journal of Sedimentary Research (SEPM)
... diffraction des mineraux argileux de vases mediterrannes: Bull. Suisse de Min. et Petr., vol. 41, p. 65-70. GROOT, J. J., AND GLASS, H. D., 1960, Some...
1963
Chapter 14: Controls on Production in the Eagle Ford: Permeability, Stratigraphy, Diagenesis, and Fractures
Tobi H. Kosanke, John A. Breyer, Richard Denne, Ronald Nelson, Richard L. Rosen, Munir Aldin, Anne Warren
AAPG Special Volumes
...). Figure 5. Ternary plot of clay, calcite, and quartz abundances as determined by x-ray diffraction (XRD) analyses of Eagle Ford core samples, coded...
2019
Mn-Fe Coatings on Saprolite Fracture Surfaces
Charles E. Weaver
Journal of Sedimentary Research (SEPM)
... and of concentrates scraped from the black surface. In addition to x-ray diffraction analyses, samples were examined with optical microscopes, an electron probe...
1978
Geophysical characterization of a nonaqueous-phase liquidcontaminated site
Alberto Godio, Alessandro Arato, Stefano Stocco
Environmental Geosciences (DEG)
... in sandy soil by converting the TDR traveltime in water content using Topp formula, a polynomial regression that relates the water content...
2010
Carbon dioxide storage potential for the Queenston Formation near the AES Cayuga coal-fired power plant in Tompkins County, New York
Kathryn L. Tamulonis, Teresa E. Jordan, Brian Slater
Environmental Geosciences (DEG)
... for proximity to the AES Cayuga power plant (Figure 5). To convert from two-way traveltime, we used sonic velocities calculated by Anschutz Exploration...
2011
Chapter 12: The Discovery Process behind the Giant Johan Sverdrup Field
Hans Chr Rønnevik, Arild Jørstad, Jan Erik Lie
AAPG Special Volumes
... microscopic and X-ray diffraction (XRD) analyses of cuttings have been introduced as standard tools in the exploration and delineation wells. The sampled...
2017
Porosity--Depth Trends in Deeply Buried Upper Jurassic Reservoirs in the Norwegian Central Graben: An Example of Porosity Preservation Beneath the Normal Economic Basement by Grain-Coating Microquartz
Mogens Ramm,, Arne W. Forsberg, Jens S. Jahren
AAPG Special Volumes
.... Only locally are Figure 1. Location map showing depth (two-way traveltime in milliseconds) to the base-Cretaceous unconformity, Cod Terrace area...
1997
Subsurface Geology of the Warfield Structures in Southwestern West Virginia: Implications for Tectonic Deformation and Hydrocarbon Exploration in the Central Appalachian Basin
Dengliang Gao , Robert C. Shumaker
AAPG Bulletin
... normal fault dipping toward the northwest. Fault B is suggested by an anomalous traveltime that may result from a velocity anomaly or diffraction...
1996
Origin of Eocene lacustrine dolomite and evolution of multiple diagenetic fluids in the Huanghekou sag, Bohai Bay Basin, China
Tingting Yao, Hongtao Zhu, Bin Fu, Xiaofeng Du, Qingbin Wang, Sen Li, Xianghua Yang, and Mónica Sánchez-Román
AAPG Bulletin
... in x-ray diffraction patterns, microbially induced dolomite in the laboratory is considered protodolomite (Gregg et al., 2015; Kaczmarek et al., 2017...
2024
Ground-Penetrating-Radar Characterization and Porosity Evolution of An Upper Pleistocene Oolite-Capped Depositional Cycle, Red Bays, Northwest Andros Island, Great Bahama Bank
Colby S. Hazard,, Scott M. Ritter, John H. McBride, David G. Tingey, R. William Keach, II
Journal of Sedimentary Research (SEPM)
... porosity is more evenly distributed throughout the stratigraphic succession than was precursor depositional porosity. X-ray diffraction analysis...
2017
The high-magnesium calcite origin of nummulitid foraminifera and implications for the identification of calcite diagenesis
Laura J. Cotton, David Evans, Simon J. Beavington-Penney
PALAIOS
... the lattice spacing in the calcite crystal, which is measured by X-ray diffraction. Five curves relating the shift of lattice spacing to mole% MgCO3 have been...
2020
Petrography Of Red Peak Member, Chugwater Formation (triassic), West-Central Wyoming
M. Dane Picard
Journal of Sedimentary Research (SEPM)
... determined for seven samples. The qualitative mineralogy of more than 150 samples was determined by X-ray diffraction. Nine complete and partial...
1966
Authigenic Clays in Sandstones: Recognition and Influence on Reservoir Properties and Paleoenvironmental Analysis
Michael D. Wilson, Edward D. Pittman
Journal of Sedimentary Research (SEPM)
... microscope with nondispersive elemental analyzer, and x-ray diffraction show that each of the major clay groups exhibit a limited number of distinctive...
1977
Fault Criteria
Francis F. Campbell
GCAGS Transactions
... correlations and geophysical dips; 4) misclosure around a grid unit of seismic control; 5) dip pattern along several lines of control; and 6) diffraction...
1965
ABSTRACT: Mineralogy and geochemistry of Perm-Carboniferous coal gangues in Gujiao Mining area, Shanxi, China
Beilei Sun, Fangui Zeng, Meifen Li, Chao Liu, Zhen Li, Wei Pu
The Society for Organic Petrology (TSOP)
... Spectrometer (ICP-OES), inductively coupled plasma mass spectrometry (ICP-MS), optical microscope, X-ray diffraction (XRD) and scanning electron...
2012
Low-Temperature Heating of Shale and Clay Samples May Reduce the Efficiency of Procedures Designed to Remove Iron Oxides: RESEARCH METHOD PAPER
Brian T. Sheldon, Otto C. Kopp
Journal of Sedimentary Research (SEPM)
..., 770 p. MOORE, D.M., AND REYNOLDS, R.C., JR., 1989, X-ray Diffraction and the Identification of Clay Minerals: New York, Oxford University Press, 332 p...
1994
Potentiality of clays in the Kharga-Dakhla land stretch as a natural landfill liner in a hyperarid region
Ashraf M. El Maghraby, Ahmed M. El Kammar, Mohamed S. Mabrouk
Environmental Geosciences (DEG)
... include x-ray diffraction analysis, differential thermal analysis, cation exchange capacity (CEC), swelling properties, Atterberg limits, porosity...
2011
Diagenesis of Sandstones in the Morrison Formation within the Paradox Basin
George N. Breit, Martin B. Goldhaber
Utah Geological Association
... Survey Bulletin 1009-E, p. 125–168. Drever, J.I., 1973, The preparation of oriented clay mineral specimens for X-ray diffraction analysis by a filter...
1996
Fluid Flow in Brittle Shear Zones and Coeval Precipitation of Nodular Chert in Paleozoic Carbonate During Regional Deformation in the Hinterland of the Sevier Orogenic Belt
Pamela E. Jansma, Glen S. Mattioli
Rocky Mountain Association of Geologists
..., petrographic, kinematic and X-ray powder diffraction data indicate the shear zones and chert intervals were coeval and linked to a major bedding...
1994
The Cobleskill and Akron Members of the Rondout Formation: Late Silurian Carbonate Shelf Sedimentation in the Appalachian Basin, New York State
Ronald Belak
Journal of Sedimentary Research (SEPM)
... analysis, and X-ray diffraction. Subfacies of the Cobleskill include subtidal biomicrites with stromatoporoid biostromes and intertidal fossiliferous...
1980
Magnetic susceptibility variations in lower Paleozoic shales of the western Baltic Basin (northern Poland): A tool for regional stratigraphic correlations and the decoding of paleoenvironmental changes
D. K. Niezabitowska, J. Roszkowska-Remin, R. Szaniawski, and A. Derkowski
AAPG Bulletin
... diffraction (XRD), providing quartz, clay minerals, dolomite, and calcite or accessory minerals like pyrite, halite, or anhydrite contents. Detailed...
2021
Clay Mineralogy of the Del Rio Clay Formation (Cenomanian), West Texas: Illite/Kaolinite Ratios as Relative Salinity Indicators
Victoria C. Hover, Fleur S. Bases, and Brian E. Lock
GCAGS Transactions
... (settles) at lower salinities than do illite or smectite. X-ray diffraction analyses of bulk and clay-mineral separate (<2 µm) samples from...
2008
Clay Mineral X-Ray Diffraction Analysis: Ag Filter-Pipette Methods: METHOD PAPER
James P. M. Syvitski, Peter Bayliss
Journal of Sedimentary Research (SEPM)
...Clay Mineral X-Ray Diffraction Analysis: Ag Filter-Pipette Methods: METHOD PAPER James P. M. Syvitski, Peter Bayliss 1980 Vol. 50 No. 2. (June...
1980
Diagenesis and the Formation of Authigenic Illite-Rich I/S Crystals in Gulf Coast Shales: Tem Study of Clay Separates
Robert L. Freed, Donald R. Peacor
Journal of Sedimentary Research (SEPM)
..., Texas were examined by x-ray diffraction (XRD), scanning-transmission electron microscopy (STEM), and analytical electron microscopy (AEM) techniques...
1992