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The AAPG/Datapages Combined Publications Database
Showing 17,701 Results. Searched 200,693 documents.
The Effects of Selective Sorting on Factor Analyses of Heavy-mineral Assemblages
Paul D. Komar, Karen E. Clemens , Zhenlin Li, Shyuer-Ming Shih
Journal of Sedimentary Research (SEPM)
... of Klovan and Imbrie (1971) with the extension of Klovan and Miesch (1976). The derived Verimax factors are diagramed in Figure 1. Ninety-eight percent...
1989
Sandstone Classification: Relation to Composition and Texture
John Bokman
Journal of Sedimentary Research (SEPM)
...). The relative importance of these three factors is generally difficult to assess. Clay must be considered a textural rather than a compositional property...
1955
Percussion Marks on Quartz Grains
Donald H. Campbell
Journal of Sedimentary Research (SEPM)
... crescents oriented parallel to the "c" crystallographic axis. Therefore, crystallographic factors controlling percussion mark orientation might be negligible...
1963
Rock Properties Computed from Random Pore Size Distribution
A. W. Talash, Paul B. Crawford
Journal of Sedimentary Research (SEPM)
.... For example, Burdine, Gournay and Reichertz (3) reported a permeability of 20 md and a porosity of 14.3 percent for pore radii ranging from 0 to 20...
1965
Oil-Gas Prospects of Non-Traditional Reservoirs in Lower Carboniferous Sediments of Aral-Ustyurt Area
A. Ye. Abetov, S. T. Khusanov, D. D. Orudzheva, P. U. Akhmedov, B. S. Rakhmatov
Petroleum Geology: A Digest of Russian Literature
... gamma activity, low temperatures, and good porosity and pemeability. See table 1 and figure 1. Porosity from cores is up to 7.67 percent, and that from...
2004
Dolomite Abundance and Stratigraphic Age: Constraints on Rates and Mechanisms of Phanerozoic Dolostone Formation: PERSPECTIVES
R. Kevin Given, Bruce H. Wilkinson
Journal of Sedimentary Research (SEPM)
... dolomite abundances from Vinogradov and Ronov (1956). D) North American dolomite abundances from Schmoker et al. (1985). Percent dolomite values for Figure...
1987
Some Systematic Variations in the Chemical Composition of Gases of Oil and Gas-Condensate Fields of the Apsheron Peninsula
F. G. Dadashev
Petroleum Geology: A Digest of Russian Literature
...) and gas-condensate fields (Zyrya, Karadag). Table 1 lists average values of the percent content of methane, the total of its homologs, and CO2...
1964
Geology and Diagenetic History of Overpressured Sandstone Reservoirs, Venture Gas Field, Offshore Nova Scotia, Canada (1)
LUBOMIR F. JANSA and VICTOR HUGO NOGUERA URREA
AAPG Bulletin
... of hydrocarbons and other fluids expelled during shale diagenesis resulting in pressure build up. The preservation of up to 32 percent porosity under 500-1000...
1990
Influence of Source Rock Type, Thermal Maturity, and Migration on Composition and Distribution of Natural Gases, Uinta Basin, Utah
Dudley D. Rice, Thomas D. Fouch, Ronald C. Johnson
Utah Geological Association
... in the Uinta Basin. Gases in group A are characterized by wetness (C2+) values between about 5 and 9 percent, methane 13C values greater than −40...
1992
Petrology and Diagenetic Effects of Lithic Sandstones Paleocene and Eocene Umpqua Formation Southwest Oregon
Lary K. Burns, Frank G. Ethridge
Special Publications of SEPM
... member which has minimum thickness of 825 meters 2 700 feet Formation a are constitute about 4 percent of the member sandstone and siltstone about...
1979
Delineating the Major Depositional Environments in Northern Port Phillip Bay, Victoria
Albert G. Link
Journal of Sedimentary Research (SEPM)
... to be two important factors controlling the distributions (fig. 14) of the eight species. Other distributional factors such as nutrient supply...
1967
Geology of the Nuhn Uranium Ore Body, Jackson Group, South Texas Uranium District
Richard P. McCulloh, Charles Roberts
South Texas Geological Society Special Publications
... (0.03 percent U3O8) mineralization by core assay. Ore lies at depths of 0 to 50 ft. in masses 2 to 20 ft. thick. Ore grades (0.03 to 0.30 percent...
1986
Geology of the Nuhn Uranium Ore Body, Jackson Group, South Texas Uranium District
Richard P. McCulloh, Charles T. Roberts
Bulletin of South Texas Geological Society
... 2 to 20 ft (0.6 to 6.1 m) thick. Ore grades (0.03 to 0.30 percent U308) and disequilibrium (log conversion factors of 0.1 to greater than 50...
1983
GEOLOGY OF THE NORTHERN PART OF CHERRY CREEK METAMORPHIC ROCKS, MADISON CO., MONTANA
WILLARD D. TOMPSON
Montana Geological Society
... this locality was found to contain 93 percent dolomite, 6 percent calcite, and 1 percent other minerals. Kyanite Schists...
1960
Deposition of the Woodbine-Eagleford Sandstones, Aggieland Field, Brazos County, Texas
Joseph R. DeDominic
GCAGS Transactions
... 2.5 to 22 percent. The two facies play a major role in controlling reservoir properties and, in turn, production. The lowermost clast facies in the #1...
1988
A Zircon-Tourmaline-Rutile Maturity Index and the Interdependence of the Composition of Heavy Mineral Assemblages with the Gross Composition and Texture of Sandstones
John F. Hubert
Journal of Sedimentary Research (SEPM)
... classification of sedimentary rocks: Jour. Geology, v. 56, p. 130-165. KRYNINE, P. D., 1942b, Provenance versus mineral stability as a controlling...
1962
The American Upper Ordovician Standard. VIII. R-Mode Factor Analysis of Cincinnatian Limestones
Robert H. Osborne
Journal of Sedimentary Research (SEPM)
... percent of the total variance. The geologic interpretations of the factors in order of decreasing statistical significance are (1) mechanical energy...
1967
Determination of Calcite, Dolomite, Quartz and Clay Content of Carbonate Rocks
Frank E. Diebold, John Lemish, Carl L. Hiltrop
Journal of Sedimentary Research (SEPM)
..., determines the relative percent of the carbonate fraction that is calcite and dolomite by measuring the intensity ratios of the largest diffraction maxima...
1963
Comparison of Oil-Source Rock Correlation Data for Alaskan North Slope: Techniques, Results, and Conclusions: INTRODUCTORY PAPERS
G. E. Claypool, L. B. Magoon
AAPG Special Volumes
... time. Even though complete agreement on the geological factors that account for oil occurrence in northern Alaska has not been achieved...
1985
High Pressure-High Temperature Nitrogen Interaction with Crude Oil and Its Impact on Asphaltene Deposition in Nano Shale Pore Structure: An Experimental Study
Mukhtar Elturki, Abdulmohsin Imqam
Unconventional Resources Technology Conference (URTEC)
... the impact of different factors on asphaltene formation damage, asphaltene deposition may be avoided in future applications of nitrogen injection...
2020
History of the Utah Geological Association, 1985-1994
Ted Arnow
Utah Geological Association
... declined drastically to a low of 247 in 1987. The gradual increase after 1987 was due to several factors, among them: the movement into the Salt Lake...
1995
Analytical Procedures Applicable to Fine-grained Sedimentary Rocks
Robert L. O'Neil
Journal of Sedimentary Research (SEPM)
... others. The analysis of lignites and bituminous shales is complicated by several disturbing factors. Elements that are encountered in trace amounts...
1959
Secondary Porosity in Sandstones and Diagenesis of Adjacent Shales, Oligocene, South Texas
David A. McMahon
GCAGS Transactions
... and shale percent determined from the SP log of the Tenneco T. S. Slick No. 66, Hinde field. End_Page 208------------------------ and another has...
1989
Ground-Water Development in Utah and Effects on Ground-Water Levels and Chemical Quality
Joseph S. Gates
Utah Geological Association
... uses have changed: in 1964, 72 percent of withdrawals was for irrigation and 11 percent for public supply; whereas in 2002, 59 percent...
2004
Carbonate Sediments in the Capricorn Reef Complex, Great Barrier Reef, Australia
W. R. Maiklem
Journal of Sedimentary Research (SEPM)
... collected. Mud seldom exceeds 2 percent of any of the sediments but gravel does constitute a significant proportion of some. Gravel is common...
1970