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The AAPG/Datapages Combined Publications Database

Showing 6,038 Results. Searched 200,293 documents.

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Optical Data Processing of Multispectral Photographs of Sedimentary Structures

Howard J. Pincus , Syed A. Ali

Journal of Sedimentary Research (SEPM)

...-dimensional Fourier transforms (diffraction patterns) of photographs of the same specimen illuminated in five different ways provide a means for comparing...

1968

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...

1984

Quantitative X-Ray Diffractometry of Carbonate Rocks: RESEARCH METHOD PAPER

J. H. Fang, L. Zevin

Journal of Sedimentary Research (SEPM)

...., AND LACH, S., 1981, Calculation of sample absorption by means of Compton scattering in x-ray diffraction analysis: X-ray Spec., v. 10, p. 57-60...

1985

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

Richard J. Reeder

AAPG Bulletin

... is facilitated in many ways by use of the transmission electron microscope (TEM) and its various modifications. The diffraction contrast mechanism...

1983

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

Ali Azdimoussa, Lahcen Asebriy, Jacques Bourgois, Gérard Poupeau

Search and Discovery.com

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

2008

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

Search and Discovery.com

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

2010

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

Andrew M. McDonald

Search and Discovery.com

... to: a. liberate and concentrate PGM (EPD, HS), b. elucidate crystal-structure features (Raman spectroscopy, EBSD, advanced powder diffraction) and c. determine...

2014

Abstract: The Control of Starting Rock Composition on Diagenetic Processes in Fine-grained Mudstones: an Example from the Middle and Upper Devonian Horn River Shale, Western Canada Sedimentary Basin; #90283 (2016)

Tian Dong, Nicholas B. Harris, Korhan Ayranci

Search and Discovery.com

... TOC combustion, Rock-Eval pyrolysis, X-Ray Diffraction, ICP-MS analysis, thin section and scanning electron microscope (SEM) analysis. Minerals...

2016

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...

1970

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)

...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...

1972

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

.... LEVIN, F.K., 1978, The reflection and diffraction of waves in media with an elliptical velocity dependence. Geophysics v. 43 pp. 528-537. LOEWENTHAL, D...

1981

Silicates: Zeolites

Joann E. Welton

AAPG Special Volumes

..., and Na, with a minor amount of Fe and Cl. Identification of these crystals is based on comparison of crystal morphology, X-ray diffraction (XRD), and EDX...

1984

Clay Minerals in Illinois Coals

Harold J. Gluskoter

Journal of Sedimentary Research (SEPM)

..., 49 p. JOHNS, W. D., GRIM, R. E., AND BRADLEY, W. F., 1954, Quantitative estimation of clay minerals by diffraction methods: Jour. Sedimentary...

1967

Semi-Quantitative Clay Mineralogy in Subsurface Studies

Richard M. Procter

CSPG Bulletin

...., Grim, R. F., and Bradley, W. R., 1954, "Quantitative Estimation of Clay Materials by Diffraction Methods," Jour. Sed. Pet., Vol. 24, pp. 242-251...

1962

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)

... microprobe spot analyses indicate an average content of 12.8-13.2 mole % MgCO3. Although this average agrees with X-ray diffraction and atomic absorption...

1974

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)

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

2000

Magnesium in 19 Species of Eastern Canadian Holocene Foraminifera

Kenneth Hooper

Atlantic Geology

... are absent. Chave (1954) used the X-ray diffraction method in a study of magnesium in the calcitic shells of marine organisms. Because the method detects...

1978

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