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

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...

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...

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

... 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

Search and Discovery.com

... 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...

ABSTRACT: Petrographic study of core samples from J Reservoirs, southeast Malay Basin, Malaysia

Amita Mohd Ali, Hasnol Hady Ismail, Saira Bannu Baharuddin

Geological Society of Malaysia (GSM)

... involved deriving data from thin-section, scanning electron microscopy and X- Ray diffraction analyses, and these analyses were carried out as one...

Abstract: Cyclic-Steam-Induced Diagenesis in Potter Sand, Midway-Sunset Field, California, by D. A. Pennell and R. A. Horton, Jr.; #90992 (1993).

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Early Diagenesis: Expansible Soil Clay-sea Water Reactions

Herman E. Roberson

Journal of Sedimentary Research (SEPM)

... diffraction maximum over a broad range of 2 because diffraction is being contributed from an interstratification of 10 A, 14 A, 17 A layers...

ABSTRACT: Mineralogical changes of clay minerals in a coal seam due to contact metamorphism, Shuoli Mine, China

Xibo Wang, Yaofa Jiang

The Society for Organic Petrology (TSOP)

... in a tunnel excavation face from the Shuoli Mine (Fig. 1c) were examined by low temperature ashing and X-ray diffraction to investigate the influence...

Introduction

Eric Eslinger, David Pevear

Special Publications of SEPM

... was unknown until the advent of X-ray diffraction In spite of recent advances, there is studies in the 1920's. no generally accepted definition...

Abstract: Evaluating and Supplementing XRD Results with Elemental Data: Mineral Modelling Examples from the Duvernay Formation; #90224 (2015)

Gabriel L. Rotberg, Gemma V. Hildred, and Tim Pearce

Search and Discovery.com

.... This study will use examples from the Upper Devonian (Frasnian) Duvernay Formation of Alberta to demonstrate the use of a paired X-ray diffraction...

Effect of Mica on Particle-Size Analyses Using the Laser Diffraction Technique: RESEARCH METHODS PAPERS

Shaun Hayton , Campbell S. Nelson , Brian D. Ricketts , Steve Cooke , Maurice W. Wedd

Journal of Sedimentary Research (SEPM)

...Effect of Mica on Particle-Size Analyses Using the Laser Diffraction Technique: RESEARCH METHODS PAPERS Shaun Hayton , Campbell S. Nelson , Brian D...

Trenton Exploration and Wrenching Tectonics--Michigan Basin and Environs: ABSTRACT

C. E. Prouty

AAPG Bulletin

... the shear model. Analyses (x-ray diffraction) of numerous well samples from several producing fields show dolomite/calcite ratios of epigenetically formed...

Nature of Authigenic Illites in Sandstone Reservoirs

Necip Guven, Wayne F. Hower, David K. Davies

Journal of Sedimentary Research (SEPM)

... diffraction patterns have been obtained from the -2 µm fraction of the air-dried slides before and after ethylene glycol saturation. Before the glycolation...

Recent Dedolomitization and the Origin of the Rusty Crusts of Northumberland: DISCUSSION

Donald D. Runnells

Journal of Sedimentary Research (SEPM)

... procedure is not discussed in detail, it is likely that the percentages of calcite and ferroan dolomite are based on a standard curve made up from various...