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The AAPG/Datapages Combined Publications Database
Showing 6,051 Results. Searched 200,630 documents.
ABSTRACT: Diagenetic Variability in the Upper Shale Member of the Upper Devonian-Lower Mississippian Bakken Formation of North DakotaImplications for Source Rock Quality and Rock Fracability; #90108 (2010)
Neil Fishman, Sven Egenhoff, and Adam Boehlke
Search and Discovery.com
... porous unit, the informal middle sandstone member of the Bakken, from which much of the production occurs, is enveloped between two organic-rich shales...
2010
Abstract: Facies Distribution and Paleogeographic Evolution of Pleistocene Carbonates in Bonaire, Netherlands Antilles; #90285 (2016)
Jonathan Sulaica, Juan Carlos Laya, Michael C. Pope, Niall Slowey
Search and Discovery.com
... were collected. The samples were analyzed using thin-section petrography, x-ray diffraction, electron microprobe, and stable-isotope methods. Four...
2017
Abstract: Microfacies Analysis, Diagenesis and Chemostratigraphy of the Early Cretaceous Habshan Carbonate Formation in Jabal Akhdar, Northern Oman: Insights into Reservoir Characterization; #91209 (2025)
Intisar I. Alhamadani, Mohamed Moustafa, Mohamed A. El-Ghali, Iftikhar Ahmed Abbasi
Search and Discovery.com
... samples were systematically collected at intervals of fifty centimetres from different lithofacies and subjected to portable X-ray diffraction analysis...
2025
The Onset of Biogenic Calcium Carbonate Precipitation in Hypersaline Microbial Mats (Eleuthera, Bahamas); #50225 (2009)
Christina B. Glunk, Christophe Dupraz, Olivier Braissant, Eric P. Verrecchia, and Pieter T. Visscher
Search and Discovery.com
..., and Pieter T. Visscher2 Search and Discovery Article #50225 (2009) Posted November 20, 2009 *Adapted from poster presentation at AAPG Annual Convention...
2009
Pitfalls in Seismic Interpretation
Paul M. Tucker, Howard J. Yorston
Pacific Section of AAPG
... purposes the diffraction source is simply a reflector which reflects energy from a series of shot points along the line of profile. Although the actual...
1972
Identification and Diagenesis of a Phylloid Alga: Archaeolithophyllum from the Pennsylvanian Providence Limestone, Western Kentucky: REPLY
Stephen O. Moshier , Brenda L. Kirkland
Journal of Sedimentary Research (SEPM)
.... It is impossible to isolate the skeletal material from cements in thallial pores and adjacent matrix. Nevertheless, X-ray diffraction analysis...
1994
Petroleum System Events in Eastern Part of the Ganga Basin; #10470 (2012)
Sudhir Kumar Mathur, B. N. S. Naidu, Subhrashis Adhikari, Pinakadhar Mohapatra, J. A. P. Clayburn, and Stuart D. Burley
Search and Discovery.com
... lithostratigraphy of the section encountered in well Havidih-1z well complied from cuttings descriptions and wire line logs. Figure 3. Plane light photomicrographs...
2012
Continuous Mineral Mapping of Core Using Hyperspectral Imaging: Example from the Upper Cretaceous Austin Chalk Marathon 1 Robert Todd Core, Central Louisiana; #42414 (2019)
Tobi Kosanke, Robert G. Loucks, Toti Larson, James Greene, Paul Linton
Search and Discovery.com
...Continuous Mineral Mapping of Core Using Hyperspectral Imaging: Example from the Upper Cretaceous Austin Chalk Marathon 1 Robert Todd Core, Central...
2019
Sediment Alteration and Clay Mineral Diagenesis in a Regional Ground Water Flow System, Mississippi Gulf Coastal Plain
Jeffrey S. Hanor , Kathleen M. McManus
GCAGS Transactions
... of cuttings for X-ray diffraction (XRD) analysis were hand-picked from the mean clast size present in each sampling interval. Large grains of detrital mica...
1988
Probable Burial Diagenetic and Provenance Effects on Dakota Group Clay Mineralogy, Denver Basin
Robert C. Rettke
Journal of Sedimentary Research (SEPM)
...' and Hower's (1970) X-ray diffraction criteria, show decreasing sample-sample expandability ranges, lower modal expandability, and a change from random...
1981
Early Diagenetic Minerals and Variables Influencing their Distributions in Two Long Cores (> 40 m), Mississippi River Delta Plain
A.M. Bailey , H.H. Roberts , J.H. Blackson
Journal of Sedimentary Research (SEPM)
... obtained from external laboratories (see acknowledgments) for 30 samples of concretions. These were selected from the materials used for X-ray diffraction...
1998
Silicates: Silica
Joann E. Welton
AAPG Special Volumes
...) which may be important features in transporting pressolved silica from the contact area to the adjacent pores. Magnification: (A) 300x; (B) 2,000x; (C...
1984
Authigenic Pectolite, Stevensite, and Pyroaurite in a Quaternary Debris Flow, Southland, New Zealand
David Craw, Charles A. Landis
Journal of Sedimentary Research (SEPM)
... debris flow breccia. Sample OU 44256 from the Upukerora debris flow. Plane polarized light. Horizontal field of view = 5 mm FIG. 3. Plot of intensity...
1980
Planimetric Shape of Wreck Bay, Vancouver Island: REPLY
P. H. Leblond, J. M. Bremner
Journal of Sedimentary Research (SEPM)
... been criticized by Tanner (1975) as inadequate as a general tool for coastal morphological studies. From a general point of view, it is impossible...
1976
Clay Mineralogy of Shale-Limestone Rhythmites in the Scaglia Rossa (Turonian-Eocene), Italian Apennines
Mark J. Johnsson, Robert C. Reynolds
Journal of Sedimentary Research (SEPM)
... from Barnaba (1958). FIG. 2. Representative X-ray-diffraction patterns for two limestones (samples 346L and 215L) and for two shale partings (samples...
1986
V. Contributions of GeoSeismic Modeling
Norman S. Neidell
AAPG Special Volumes
... side. An outline of the estimated field, as predicted by the half-amplitude rule from the wavelet time section, is shown in a map view on the following...
1979
Relation Between Western European Chalks and Opening of the North Atlantic
B. Pomerol, M. P. Aubry
Journal of Sedimentary Research (SEPM)
... (Fig. 3): in general, the pattern is that reported by Mason and Sand (1960), but a Turonian sample from Cap d'Antifer has a X-ray diffraction pattern...
1977
Determination of Calcite, Dolomite, Quartz and Clay Content of Carbonate Rocks
Frank E. Diebold, John Lemish, Carl L. Hiltrop
Journal of Sedimentary Research (SEPM)
.... X-ray diffraction can be used to obtain x and y from data of Goldsmith and Graf (1958) showing the relationship between car onate lattice constants...
1963
Insights into the Tight Oil Plays of the Upper Devonian Torquay Formation in Southeastern Saskatchewan, Canada
Chao Yang
Williston Basin Symposium
... diffraction (XRD) analyses from 2 wells. The study area encompasses Townships 1 to 15, Ranges 30 west of the First Meridian to 30 west of the Second Meridian...
2025
Hydraulic Fracture Propagation Simulations in Porous Media with Natural Fractures by IPACS
Mary F. Wheeler, Sanghyun Lee
Unconventional Resources Technology Conference (URTEC)
... of, and, is subject to corrections by the author(s). Any person or entity that relies on any information obtained from this paper does so at their own...
2020
Kaolinite and Other Clay Minerals in Arctic Ocean Sediments
Dennis A. Darby
Journal of Sedimentary Research (SEPM)
..., Intersaltation as a technique for differentiation of kaolinite from chlorite minerals by X-ray diffraction: Soil Sci. Soc. Amer. Proc., v. 24, p. 422-424...
1975
Supratidal Environment and Geochemistry of Some Recent Dolomite Concretions, Broad Sound, Queensland, Australia
Peter J. Cook
Journal of Sedimentary Research (SEPM)
.... Some typical X-ray diffraction patterns for these concretions (Fig. 8) show that the 211 peak for dolomite ranges from a low diffuse peak (Fig. 8...
1973
The Effects of In Situ Steam Injection on Cold Lake Oil Sands
Sedimentology Research Group
CSPG Bulletin
... present in shale lithoclasts and illitized feldspars (Fig. 8c). It is apparent from both SEM and X-ray diffraction data that a considerable amount...
1981
Baffin Bay Continental Shelf Clay Mineralogy
Ranald W. Boyd, David J. W. Piper
Atlantic Geology
... mostly trapped in fjords. We have used X-ray diffraction analysis of the carbonate-free fraction (<50/<) of about 50 sediment samples to try...
1976
Multiple, Diffractions and Diffracted Multiples in the South China Sea: How Dense Does Our Acquisition Geometry Need to be? (Geophysics Paper 16)
Rosemary K Quinn, Lynn B Comeaux
Geological Society of Malaysia (GSM)
... for the shift. 3D SRME has the capacity to calculate the shot and receiver pair that would be required to capture the reflection point in a vertical plane...
2011