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The AAPG/Datapages Combined Publications Database
Showing 6,048 Results. Searched 200,616 documents.
Silica Recrystallization in Petrified Wood
C. L. Stein
Journal of Sedimentary Research (SEPM)
... was examined by X-ray diffraction, and each sample was found to consist of one of the following: opal-A opal-CT or quartz. The correlation between...
1982
The Formation and Behaviour of Montmorillonite During the Use of Wet Forward Combustion in the Alberta Oil Sand Deposits
C. Perry, J. E. Gillott
CSPG Bulletin
... and sulphur: Pub. 7818. Gibbs, R. J., 1965, Error due to segregation in quantitative clay mineral x-ray diffraction mounting techniques: Am...
1979
The Effect of Heat-Treating Sedimented Mixed-Layer Illite-Smectite as Related to Quantitative Clay Mineral Determinations
G. S. Austin , R. K. Leininger
Journal of Sedimentary Research (SEPM)
.... Leininger 1976 Vol. 46 No. 1. (March), The difference in intensities of the 10 A X-ray diffraction maxima of sedimented clay minerals after treatment...
1976
Mineral Profile of Wyoming’s Green River Formation –Oil Shales Sampled by Blacks Fork Core1
William A. Robb, John Ward Smith
Earth Science Bulletin (WGA)
... of Wyoming’s Green River Formation are presented as histogram plots with depth. Oil yields and X-ray diffraction peak heights of 17 minerals...
1976
A Time Migration Before Stack
Richard Cooper, Malcolm Hobson
Geological Society of Malaysia (GSM)
... and diffraction energy to its correct spatial and temporal origin. The application of a migration algorithm prior to estimation of velocity appears...
1991
Clay Minerals from the Ventura Basin, California
William Quaide
Journal of Sedimentary Research (SEPM)
... after deposition. JOHNS, W. D., GRIM, R. E., AND BRADLEY, W. F., 1954, Quantitative estimations of clay minerals by diffraction methods: Jour...
1957
Clay Minerals in Sediments from Sydney Harbour, Australia
R. E. Grim, F. C. Loughnan
Journal of Sedimentary Research (SEPM)
...., GRIM, R. E., AND BRADLEY, W. F., 1954, Quantitative estimations of clay minerals by diffraction methods: Jour. Sedimentary Petrology, v. 24, p...
1962
The Characteristics of Kasiro Shale and Its Implication to Oil Shale Identification at The Batang Asai, Sarolangun, Jambi
Abizar Rachman, Atep Beni, Hana Nur, Hanif Abiyuza, H. W. Utama
Indonesian Petroleum Association
... characteristic from microscopic aspect based on Petrography, SEM (Scanning Electron Magnetic) and XRD (XRay Diffraction) shows illite as main clay mineral...
2021
Opal, Zeolites, and Clays in an Eocene Neritic Bar Sand: NOTES
E. G. Wermund, R. J. Moiola
Journal of Sedimentary Research (SEPM)
... by diffraction methods: Jour. Sedimentary Petrology, vol. 24, p. 242-251. KINTNER, E. B., AND DIAMOND, S., 1956, A new method for preparation...
1966
Cristobalite and Clinoptilolite in Bentonite Beds of the Colville Group, Northern Alaska: NOTES
R. C. Reynolds, Jr., D. M. Anderson
Journal of Sedimentary Research (SEPM)
... by optical and X-ray diffraction methods. Portions of each were crushed and ground in an agate mortar. The powdered materials were packed into a welled sample...
1967
Clay Mineralogy of the Old Red Sandstone (Devonian) of Scotland
M. J. Wilson
Journal of Sedimentary Research (SEPM)
... samples of Old Red Sandstone sedimentary and volcanic rocks from various parts of Scotland has been investigated by X-ray diffraction, differential...
1971
Characterizing Quartz Phases in the Meramec and Osage of the STACK Region Using X-Ray Diffraction
Haleigh Howe, Brittany Hollon, Rose Schulze, Mark King, Nathan Rasmussen
Unconventional Resources Technology Conference (URTEC)
...Characterizing Quartz Phases in the Meramec and Osage of the STACK Region Using X-Ray Diffraction Haleigh Howe, Brittany Hollon, Rose Schulze, Mark...
2019
Clay Mineral Diagenesis in Atoka (Pennsylvanian) Sandstones, Crawford County, Arkansas
D. M. Triplehorn
Journal of Sedimentary Research (SEPM)
... elements (B, Ni, Ga, V, Cr, Mn, and Co) were determined by emission spectrography. Mineralogy Standard X-ray diffraction techniques were used...
1970
Silicates: Clays: PART 2
Joann E. Welton
AAPG Special Volumes
... but not unique to smectite (see Figure D for a close-up of the webby morphology). Precise identification of the clay is based on X-ray diffraction (XRD...
1984
Separation of siderite from calcite by differential reaction with dilute ethanoic acid: mineralogical and isotopic (δ13C, δ18O) effects
Stephen F. Crowley, Thomas Hughes
Journal of Sedimentary Research (SEPM)
...-scattered electron microscopy, wave-length dispersive electron probe microanalysis, and X-ray diffraction. Estimates of the “bulk average” geochemical...
2024
X-Ray Study of the Bulk Mineralogy and Clay Content of Six Samples from the Austin Formation, Bexar and Medina Counties, Texas
Robert L. Freed
Bulletin of South Texas Geological Society
..., 124–126. Gibbs, Ronald J. (1965) Error due to segregation in quantitative clay mineral x-ray diffraction mounting techniques. American Mineralogist...
1980
Etched Detrital Garnet from the Cardium Formation, Pembina Area, Central Alberta
R. Michael McMullen
CSPG Bulletin
... powder diffraction photograph as almost pure spessartite (manganese garnet). The surface markings on the grains seemed to be parallel to the dodecahedral...
1959
Mineralogy and genesis of saproitte and strongly weathered soils in the Appalachian region of Canada
C. Wang, G. J. Ross, J. T. Gray, L. B. Lafrenière
Atlantic Geology
... elsewhere: Mont Jacques-Cartier (Gray MARITIME SEDIMENTS AND ATLANTIC GEOLOGY Fig. 2 - X-ray diffraction patterns of clays of the samples of Mont Jacques...
1982
Recent Sediments of Caribbean Sea
John J. Griffin , Edward D. Goldberg
AAPG Special Volumes
... diffraction analyses. As a result of the studies of the clay-size fraction (smaller than 2 µ) and the silt-size fraction (2-37 µ) it is possible to divide...
1969
Dealing With Outside Contract Labs
Sharon A. Stonecipher
Special Publications of SEPM
... to point count them in a special way. Other times, an additional more specialized analysis is required. In the case of X-ray diffraction analyses, how...
2000
Which geohazards are really hazards for marine infrastructure
Mark E. Vardy
International Meeting for Applied Geoscience and Energy (IMAGE)
... data, the diffraction imaging process can also easily be cast in 3D. Therefore, if ultra-high-resolution 3D seismic data are available (which...
2022
ABSTRACT: QUANTITATIVE EVALUATION OF MINERALS IN COAL DEPOSITS IN THE WITBANK AND HIGHVELD COALFIELDS AND THE POTENTIAL IMPACT ON ACID MINE DRAINAGE
K. L. Pinetown, C. R. Ward, W. A. van der Westhuizen
The Society for Organic Petrology (TSOP)
... applied, namely, high temperature ashing, lowtemperature oxygen-plasma ashing (LTA), X-ray diffraction and X-ray fluorescence. Various differences arose...
2004
The Clay Minerals and Their Identity
Clarence S. Ross, Paul F. Kerr
Journal of Sedimentary Research (SEPM)
... crystalline substances by means of their X-ray diffraction patterns has introduced an even more fundamental, though less convenient method of mineral...
1931
Clay Mineralogy of Cubits Gap Crevasse-Splay, Mississippi Delta
Michael J. DiMarco, Ray E. Ferrell, Jr. , Robert S. Tye
GCAGS Transactions
... segregation in the marine environment: Jour. Sed. Petrology, v. 47, p. 237-243. Griffin, G. M., 1971, Interpretation of X-Ray diffraction data, in R...
1986
Alteration of Volcanic Ash Near Denver, Colorado
Julius Schlocker, Richard Van Horn
Journal of Sedimentary Research (SEPM)
... diffraction peaks, less crystallinity than normal micas and a more or less broad, asymmetrical 10 A X-ray diffraction peak. Illite contains less K2O...
1958