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The AAPG/Datapages Combined Publications Database
Showing 5,872 Results. Searched 196,426 documents.
Sediment of the High Tidal Range Environment of Upper Turnagain Arm, Alaska
A. Thomas Ovenshine, Susan Bartsch-Winkler, Neal R. O’Brien, Daniel E. Lawson
Alaska Geological Society
.... 54, no. 4, p. 647–654. Smith, J. R., and Yoder, H. S., Jr., 1956, Variations in x-ray powder diffraction patterns of plagioclase feldspars: Am...
1976
Stem/Aem Evidence for Preservation of Burial Diagenetic Fabrics in Devonian Shales: Implications for Fluid/rock Interaction in Cratonic Basins (U.S.A.)
Victoria C. Hover, Donald R. Peacor, Lynn M. Walter
Journal of Sedimentary Research (SEPM)
...-rich clays in Devonian intracratonic basin shales were examined by X-ray diffraction (XRD), scanning electron microscopy (SEM), and scanning...
1996
Using clay microporosity to improve formation evaluation in potential residual oil zones: Cypress Sandstone, Illinois Basin
Leo G. Giannetta, Nathan D. Webb, Shane K. Butler, and Nathan P. Grigsby
AAPG Bulletin
... microporosity, showed a greater than twofold increase over estimates determined by x-ray diffraction, constituting an average volume of 4%. Comparing...
2021
Mississippian mud rocks of the eastern Great Basin: Stratigraphy, tectonic significance, and hydrocarbon potential
Don E. French, James H. Trexler Jr., Patricia H. Cashman, Jerome P. Walker, and Albert S. Wylie Jr.
AAPG Bulletin
... locations that were sampled for x-ray diffraction and source-rock analysis for this study. See Table 1 for a list of correlation locations, numbered 1–9...
2020
Chemostratigraphy of Carbonate Gravity Flows of the Wolfcamp Formation in Crockett County, Midland Basin, Texas
Alex P. Blizzard, Julie M. Bloxson
GCAGS Transactions
... diffraction, and scanning electron microscopy at resolutions based on chemofacies defined by hierarchical clustering analyses. Interpretation of chemofacies...
2020
Carbonate Sediments in the Capricorn Reef Complex, Great Barrier Reef, Australia
W. R. Maiklem
Journal of Sedimentary Research (SEPM)
...., 1963, The interpretation of grain size distribution curves of clastic sediments: Jour. Sedimentary Petrology, v. 33, p. 180-190. SWINCHATT, J. P., 1965...
1970
Deriving Elastic and Petrophysical Properties From Small Sample Volumes Using Digital Rock Analysis
Vegar Ravlo, Pål-Eric Øren, Cathrine Ringstad
Unconventional Resources Technology Conference (URTEC)
... Abbreviations: Ill = Illite, Orth = Orthoclase, Anh = Anhorite, Clin = Clinoptiolite. The X-ray diffraction (XRD) results of the clay fraction shows that 51.4...
2022
Soil moisture retention characteristics of saprock from the weathering profile over a biotite-muscovite granite in Peninsular Malaysia
John Kuna Raj
Geological Society of Malaysia (GSM)
... of saprolite (IC soil horizon), samples were collected from 16 locations in the Peninsula and their soil moisture retention curves determined...
2021
Implications of Thin Laminations on Pore Structure of Marine Shale Reservoir: Goldwyer Formation Case Study from Western Australia
Muhammad Atif Iqbal, Reza Rezaee, Gregory Smith, Partha Pratim Mandal
Australian Petroleum Production & Exploration Association (APPEA) Journal
... Australia. A multiscale approach included image logs, core descriptions, thin sections, scanning electron microscope and X-ray diffraction analysis...
2021
Interpretation of the Origin and Diagenesis of Pleistocene Chalk, Eniwetok Atoll, Marshall Islands
Patricia E. Videtich , Edward L. Tremba
Journal of Sedimentary Research (SEPM)
... curves of the weight %'s of the size fractions. End_Page 318------------------------ Apatite rosettes (tentatively confirmed by x-ray diffraction...
1978
Siderite Concretions: Indicators of Early Diagenesis in the Gammon Shale (Cretaceous)
Donald L. Gautier
Journal of Sedimentary Research (SEPM)
...., 1979, The age curves of sulfur and oxygen isotopes in marine sulfate and their mutual interpretation: Chemical Geology, v. 28, p. 199-260. COBBAN, W...
1982
Depositional Setting and Origin of Berthierine Oolitic Ironstones in the Lower Miocene Terengganu Shale, Tenggol Arch, Offshore Peninsular Malaysia
Mazlan B. Hj. Madon
Journal of Sedimentary Research (SEPM)
... diffraction and scanning electron microscopy with energy-dispersive x-ray analyzer for mineral identification. Palynological identifications were made...
1992
Determination of Montmorillonite in Small Samples and Implications for Suspended-matter Studies
Brian E. Tucholke
Journal of Sedimentary Research (SEPM)
... for montmorillonite, illite, kaolinite and chlorite by X-ray diffraction of samples on silver filters. The results indicate that samples with concentrations...
1974
Waveland Field: An Analyses of Facies, Diagenesis, and Hydrodynamics in the Mooringsport Reservoirs
Lawrence R. Baria
GCAGS Transactions
... discharge which spread over much of the Mooringsport lagoon. X-ray diffraction analyses of constituent Mooringsport clays indicate that kaolinite is found...
1981
Improvements to Formation Evaluation, Almond Formation, Green River Basin, Wyoming
William P. Iverson, Thomas L. Dunn, Ronald C. Surdam
Wyoming Geological Association
... support calculations of gross gas-in-place from volumetric techniques using well logs. Capillary pressure curves obtained with mercury injection...
1995
VII. Quantitative Stratigraphic Correlations
Norman S. Neidell
AAPG Special Volumes
... is amplitude encoded. From synthetic-seismogram studies of this type, we can develop sets of calibration curves as are now illustrated. The vertical...
1979
Textures, Mineralogy, and Reservoir Properties of an Altered Mafic Tuff Core from the Upper Cretaceous (Lower Campanian) of Central Texas
Robert M. Reed, Robert G. Loucks
GCAGS Journal
... lithologies were selected and sent to QMinerals BV (Heverlee, Belgium) for quantitative X–ray diffraction analysis. Sample preparation for bulk...
2022
Monterey Formation porcelanite reservoirs of the Elk Hills field, Kern County, California
S. A. Reid, J. L. McIntyre
AAPG Bulletin
... is at the top of the A unit. Stratigraphic thicknesses and measured depths are in feet. Log curves are SP (left) and resistivity. Depositional...
2001
Grain size and mineral variability of glacial marine sediments
John T. Andrews, Wendy J. Roth, Anne E. Jennings
Journal of Sedimentary Research (SEPM)
... size and quantitative X-ray diffraction (qXRD) methods require only ≤ 1 g of sediment and thus analyses assume that the identification of coarse sand...
2023
Petrographic Comparison of Some Loess Samples from Western Europe with Kansas Loess
Ada Swineford, John C. Frye
Journal of Sedimentary Research (SEPM)
...), Fifteen samples of loess collected in 1952 in Italy, France, Germany, and Belgium were studied by mechanical and chemical analysis, X-ray diffraction...
1955
Depositional, Diagenetic, and Production History of the Upper Morrowan Buckhaults Sandstone, Farnsworth Field, Ochiltree County Texas
Timothy Wayne Munson
Oklahoma City Geological Society
... of the sieve data were plotted and compared against the curves of modern depositional environments, developed through the work of Visher (1969), Visher...
1994
Core-Analysis Practices--Basic Methods and New Developments
T. A. Pollard , Paul P. Reichertz
AAPG Bulletin
... at A.I.M.E. Petroleum Branch New Orleans meeting, October 4. 12. KAUFMAN, A. J., AND DILLING, D. E. (1950), "Differential Thermal Curves of Certain...
1952
Stable Isotope Geochemistry of Carbonate Fracture Fills in the Monterey Formation, California
Bryce L. Winter , L. Paul Knauth
Journal of Sedimentary Research (SEPM)
... was determined by x-ray diffraction and petrography. All isotope ratios are reported in the standard -notation. 13C is reported on the PDB scale...
1992
Quantitative Estimations of Clay Minerals by Diffraction Methods
W. D. Johns, R. E. Grim, W. F. Bradley
Journal of Sedimentary Research (SEPM)
...Quantitative Estimations of Clay Minerals by Diffraction Methods W. D. Johns, R. E. Grim, W. F. Bradley 1954 Vol. 24 No. 4. (December), The clay...
1954
Variation in Clay Mineral X-Ray Diffraction Results with the Quantity of Sample Mounted
Per R. Stokke , Bobb Carson
Journal of Sedimentary Research (SEPM)
...Variation in Clay Mineral X-Ray Diffraction Results with the Quantity of Sample Mounted Per R. Stokke , Bobb Carson 1973 Vol. 43 No. 4. (December...
1973