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The AAPG/Datapages Combined Publications Database

Showing 6,052 Results. Searched 200,641 documents.

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Abstract: Mineralogical, Chemical and Petrographical Investigation of Airborne Dust Material Nearby Coal-Fired Power Plants: A Case Study from Upper Silesia, Poland

Chrysoula Chrysakopoulou, Konstantinos Perleros, Małgorzata Wojtaszek-Kalaitzidi, Lambrini Papadopoulou, Nikolaos Kantiranis, Stavros Kalaitzidis

The Society for Organic Petrology (TSOP)

... sample and the magnetic fraction as well, was determined by applying X-ray diffraction (XRD) on randomly oriented powder samples. Additionally, polished...

2023

Turquoise Found in Tras/Raub, Pahang

K. N. Murthy

Geological Society of Malaysia (GSM)

.... The turquoise was identified by X-ray diffraction and X-ray refraction methods. There were two varieties: (a) (b) a green variety which has a higher Cu/Zn...

1984

Abstract: Reservoir Modeling - Methodology and Case Studies

James J. Reeves, W. Hoxie Smith

West Texas Geological Society

... types (connected vs. unconnected). Thin sections, core analysis data, X-ray diffraction, and SEM analysis can provide additional data to develop...

1998

Abstract: Geochemical Indicators of Subsidence in Sediment Terrebonne Coastal Plain, Louisiana

Alan M. Bailey , Harry H. Roberts

GCAGS Transactions

... diffraction, and various chemical methods of testing. Results show that diagenetic minerals consist of carbonates (siderite, calcite, dolomite...

1990

Abstract: The petrogenesis of amazonite-bearing pegmatites in the Georgeville area, Nova Scotia

Shannon Hay

Atlantic Geology

... diffraction data verified the presences of beryl and topaz. Optical spindle stage measurements indicate a fluorine content of 19. I wt% in topaz. Pale green...

2000

ABSTRACT: Mineral Matter in Lignites and Associated Strata of the Florina and Ptolemais Basins, Northern Greece

Nikolaos Koukouzas, Colin R. Ward, Zhongsheng Li

The Society for Organic Petrology (TSOP)

... Basin has been analysed using quantitative X-ray diffraction and chemical techniques. The Achlada deposit includes a significant proportion...

2009

ABSTRACT: Organic Petrology, Chemistry and Sequence Stratigraphy Applied to the Coal Seams in the Candiota Region, Paraná Basin, RS, Brazil

Joseane Souza de Oliveira, Wolfgang Kalkreuth, Michael Holz

The Society for Organic Petrology (TSOP)

..., moisture, volatile matter, fixed carbon) and x-ray diffraction and x-ray fluorescence to determine mineral phases, and major and trace elements...

2009

ABSTRACT: Characterization of Fly Ash from Coal Combustion and its Application on Zeolite Synthesis

A. Paprocki, M. Pires, R. A. Ligabue, C. M. N. Azevedo, J. A. Villwock, L. S. Ferret

The Society for Organic Petrology (TSOP)

... spectroscopy (FTIR), X-ray diffraction (XRD), and X-ray fluorescence (XRF). Also leaching tests were carried out for determine the potential mobility of trace...

2009

ABSTRACT: Mineralogy and Geochemistry of Coals From the Songzao Coalfield, Southwestern China

Lei Zhao

The Society for Organic Petrology (TSOP)

... microscopy, low-temperature oxygen plasma ashing, Rietveld-based X-ray diffraction, X-ray fluorescence, inductively coupled-plasma mass spectrometry...

2009

Lithologic-Geochemical Features of the Podgal’skiy Flysch of the Carpathians

M. P. Gabinet

Petroleum Geology: A Digest of Russian Literature

... sandstones (middle Eocene-lower Oligocene). The layered hydro-silicates of the limey shales were studied by X-ray diffraction. The fraction less than...

1976

Direction and Procedure of Oil-Gas Exploration in the North Border Zone of the Peri-Caspian Depression

A. A Al’zhanov, B. M. Geyman, A. A Golov, V. D. Il’in, A. N. Zolotov, L. G. Kiryukhin

Petroleum Geology: A Digest of Russian Literature

... sediments, C-close to surface of Carboniferous sediments; A-zone of diffraction identified as a reef trap. The reef traps recognized in the border...

1977

Abstract: Lithofacies, detrital petrology, and diagenesis of the mid-Cretaceous Chaswood Formation, Elmsvale Basin, Nova Scotia

Lila M. Dolansky

Atlantic Geology

... of the dark grey clay association. The bulk mineralogy of 176 sandstone and mudrock samples was determined by X-ray diffraction. Principal minerals...

2003

Abstract: Geochemistry and mineralogy of tailings at the Cochrane Hill gold district, Nova Scotia

Andrea L. Mosher, Michael B. Parsons, Marcos Zentilli

Atlantic Geology

..., and stream sediments were collected to determine the distance that tailings have been transported downsteam. X-ray diffraction, scanning electron microscopy...

2004

Hydraulic Fracture Propagation Simulations in Porous Media with Natural Fractures by IPACS

Mary F. Wheeler, Sanghyun Lee

Unconventional Resources Technology Conference (URTEC)

... the flow equation in both the reservoir and the fracture, we employ the pressure diffraction system [7]. In the pressure diffraction system...

2020

Oil Productivity of the Pre-Kungur Sediments of the Kenkiyak Field

K. Kh. Bakirov, M. A. Chimbulatov, A. V. Yakovlev

Petroleum Geology: A Digest of Russian Literature

... of the Shengel’shiy fold; the other along the west flank of the Mortuk fold. On the regional seismic profile they show up as numerous nodes of diffraction...

1978

Determination of Calcite-Dolomite Ratios by Infrared Spectroscopy: NOTES

Albert P. Ruotsala

Journal of Sedimentary Research (SEPM)

... in some Pennsylvanian bioherms shows excellent agreement with X-ray procedures. Double beam infrared spectrophotometers with diffraction gratings...

1964

Clay Minerals Of The Silurian Clinton Ironstones, New York State

Robert schoen

Journal of Sedimentary Research (SEPM)

... for separating clay size material from soils: Clays and Clay Minerals; Proc. 2nd Nat. Conf., p. 462-479. CULLITY, B. D., 1956, Elements of X-ray diffraction...

1964

Mineralogical and Fabric Changes of Shale During Burial Diagenesis and Their Effects on Petrophysical Properties

Jin-wook Kim , William R. Bryant , Joel S. Watkins , Thomas T. Tieh

GCAGS Transactions

... by transmission electron microscopy (TEM), scanning electron microscopy (SEM), and x-ray powder diffraction (XRD) to study the relationship between clay...

1998

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... should contain no horizontal reflections i.e. DMO should not in any way alter horizontal reflections. Diffraction hyperbolas will be better preserved...

1995

Origin of Large Kaolinite Crystals in the Lower Almond Formation in Southwest Wyoming: NOTES

G. B. Asquith

Journal of Sedimentary Research (SEPM)

... lower Almond time was a low-lying swamp. PETROGRAPHY AND X-RAY DIFFRACTION Figure 2 is a photomicrograph of the underclay showing the large, well...

1968

Oil-Gas Prospects of the Zone of Junction of the Volga-Ural Anticlize, Cis-Ural Foreland Downwarp and Peri-Caspian Depression

I. M. Zhukov

Petroleum Geology: A Digest of Russian Literature

... sediments; 7-nodes of diffraction; 8-faults; 9-probable faults; 10-zones of faults or flexures. A new structure map has been compiled on a basis...

1980

Clay Minerals of the Sub-Salt Sediments of the Peri-Caspian Depression

V. P. Vlodarskaya, G. I. Nosov

Petroleum Geology: A Digest of Russian Literature

... diffraction and the electron microscope, and a quantitative estimate was made of their content in the fine-pelitic (less than 0.001 mm) fraction. See Fig. 1...

1980

Clay Minerals in Arctic Ocean Sea-Floor Sediments

Dorothy Carroll

Journal of Sedimentary Research (SEPM)

..., L. E., 1962, X-ray diffraction procedures for polycrystalline and amorphous materials, John Wiley & Sons, New York, 716 p. KU, TEH-LUNG...

1970

Clay Mineral Composition and Geologic Significance of Some Beaufort Sea Sediments

A. S. Naidu, D. C. Burrell, D. W. Hood

Journal of Sedimentary Research (SEPM)

... between kaolinite and chlorite in recent sediments by X-ray diffraction. Am. Mineralogist, v. 49, p. 1281-1289. BISCAYE, P. E., 1965, Mineralogy...

1971

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