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The AAPG/Datapages Combined Publications Database

Showing 5,418 Results. Searched 188,614 documents.

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Diagenetic Relationships and Hydrocarbon Resource Implications, Nanushuk Group and Torok/Topagoruk Formation, National Petroleum Reserve, Alaska: ABSTRACT

Thomas C. Mowatt

AAPG Bulletin

...: ABSTRACT Thomas C. Mowatt 1984 510 510 68 4. (April) Petrographic, X-ray diffraction, and scanning electron microscope investigations of Nanushuk Group...


Petrology and Depositional Environment of Mitchell Member, Rodessa Formation (Lower Cretaceous), West Bradley Field, Lafayette County, Arkansas: ABSTRACT

Donald Lee Huguley, Jr.

AAPG Bulletin

... interpreted it as nearshore, transitional marine. Many of the Rodessa members are hydrocarbon productive. Cores from the Sun Whittington wells and Lake...


Seismic Line Across Wind River Thrust Fault, Wyoming: ABSTRACT

William L. Basham, Walter F. Martin

AAPG Bulletin

... was acquired by ARCO Exploration Company in 1977 in southern Freemont County and extends northeast from the deepest part of the Green River basin across...


Mineralogy of Bottom Sediments, Hudson Bay, Canada

P. Bayliss, A. A. Levinson, J. E. Klovan

CSPG Bulletin

... samples from 450 stations in Hudson Bay were studied by X-ray diffraction powder methods. The clay minerals are chiefly illite and kaolinite with smaller...


TEM as a Tool in Study of Carbonate Crystal Chemistry: ABSTRACT

Richard J. Reeder

AAPG Bulletin

... for simultaneous electron diffraction from regions less than 1 µm allows for identification of phases and evaluation of short-range ordering. In addition...


A Quantitative X-Ray Diffraction Technique Applied to Fine-Grained Sediments of the Deep Gulf of Mexico

S. B. Devine , R. E. Ferrell, Jr., G. K. Billings

Journal of Sedimentary Research (SEPM)

... the primary X-ray beam below 4°2, and low angle scattering of X-rays from the glass slide occurs. This was partially overcome by fitting the diffraction...


Magnesium Distribution in living and Fossil Specimens of the Echinoid Peronella Lesueuri Agassiz, Shark Bay, Western Australia

Roger W. Macqueen, Edward D. Ghent, Graham R. Davies

Journal of Sedimentary Research (SEPM)

... collected is more than half aragonit by X-ray diffraction analysis, whereas other Gladstone member samples examined by X-ray diffraction analysis...


Refining Accuracy of Reservoir Properties of Menilitov Sediments

R. N. Zasadnyy, V. M. Lakhnyuk, B. L. Krupskiy

Petroleum Geology: A Digest of Russian Literature

... diffraction diagrams. See Fig. 1. Mica-clay aggregates compose the bulk of the argillites. Quartz constitutes 90-98% of the lower Menilitov sandstones, 85-95...


Abstract: Evidence of Cretaceous Metamorpfism in the External and Flysch Unites (Rif, Morocco)

Ali Azdimoussa, Lahcen Asebriy, Jacques Bourgois, Gérard Poupeau

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... completed by the clays X ray diffraction analysis. We focus to characterize the thermochronologic evolution of the flysh nappes and the External Rif...


ABSTRACT Geological Characterization of Lower Cretaceous Pine Island Shales as a Potential Resource Play in the Maverick Basin South Texas: An Update, #90104 (2010)

Hackley Paul

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... of the northern Gulf of Mexico. Porosity‐permeability measurements, X‐ray diffraction  mineralogy, and thin section evaluation were used to characterize core...


Abstract: Insights into the Crystal Chemistry of Platinum-Group Minerals: Issues facing development of a PGM Classification Hierarchy; #90172 (2014)

Andrew M. McDonald

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... and rarity of PGM: the former may be a function of PGM developing through self-organization of nanoparticles and the latter from the low concentrations...


Shale Petrology by Electron Microprobe: Pyrite-Chlorite Relations

Raymond Siever, Miriam Kastner

Journal of Sedimentary Research (SEPM)

... is entirely in dolomite, is separated from the pyrite crystal by the Mg-rich clay mineral. We identified by X-ray diffraction the Mg-rich phase...


Semiquantitative Estimation of Carbonates in Holocene Siliciclastic Sequences of the Mississippi Delta

Alan M. Bailey, H. H. Roberts, S. Pal

GCAGS Transactions

... extractions provide semiquantitative results. Continuous radiographic data tend to support these results. Results from X-ray diffraction studies, when...


ABSTRACT: Aggregate structure evolution of low rank coals during pyrolysis by in situ X-ray diffraction

Meifen Li, Fangui Zeng, Haizhou Chang

The Society for Organic Petrology (TSOP)

...ABSTRACT: Aggregate structure evolution of low rank coals during pyrolysis by in situ X-ray diffraction Meifen Li, Fangui Zeng, Haizhou Chang...


An X-ray Technique for Distinguishing Between Detrital and Secondary Quartz in the Fine-grained Fraction of Sedimentary Rocks

Eric V. Eslinger , Lawrence M. Mayer , Thomas L. Durst, John Hower, Samuel M. Savin

Journal of Sedimentary Research (SEPM)

... or authigenic quartz on the basis of the relative intensities of the X-ray diffraction peaks from the (100) and (101) crystallographic planes...


Magnesium in 19 Species of Eastern Canadian Holocene Foraminifera

Kenneth Hooper

Atlantic Geology

... FORAMINIFERA KENNETH HOOPER Ca,rleton University, Ottawa, Ontario, CANADA The tests of 18 benthonio and. one planktonic species of modern Foraminiferida from 8...


Semi-Quantitative Clay Mineralogy in Subsurface Studies

Richard M. Procter

CSPG Bulletin

... determining relative scattering factors, by comparison of diffraction peaks from mixtures of the pure minerals. Using peak areas, they found...


Examining Hydrated Minerals Using Optically Stimulated X-Ray Diffraction, an Inexpensive Modification of Traditional Diffractometers: RESEARCH METHODS PAPERS

Javier Garcia-Guinea , Rafael Abella , Sergio Sanchez-Moral , Raul Benito , Daniel Martin-Ramos

Journal of Sedimentary Research (SEPM)

... of high-temperature chambers that are used in X-ray diffraction (XRD) procedures stems from the need to use platinum strips and expensive refractory panels...


Silicates: Zeolites

Joann E. Welton

AAPG Special Volumes

..., and Mg coming from the clay coatings. Identification here is based on comparison of the tabular morphology, X-ray diffraction (XRD), and EDX analysis...


Fault Criteria

Francis F. Campbell

GCAGS Transactions

..., The significance of diffraction in the investigation of faults: Geophysics, v. 17, p. 843-858. Quarles, Miller, Jr., 1950, Fault interpretation from...


Quartz Cement in Upper Jurassic Brora Formation Sandstone: What Electron Backscatter Diffraction Reveals about Microquartz Coatings

Sasha C. Haddad, Richard H. Worden, David Prior, Craig Smalley

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... boundaries •Subgrain structure Subgrain •Degree of misorientation Electron backscatter diffraction • Map crystallographic orientation from polished...


Cyclic-Steam-Induced Diagenesis in Potter Sand Midway-Sunset Field, California

Dawne A. Pennell, Robert A. Horton Jr.

Pacific Section of AAPG

.... The relative percentages of clays, as determined by quantitative x-ray diffraction, increased from unsteamed to steamed samples (Fig. 4). Changes...


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