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The AAPG/Datapages Combined Publications Database
Showing 26,129 Results. Searched 200,625 documents.
Patterns of Silicification in Permian Pelecypods and Brachiopods from Wyoming
James G. Schmitt, Donald W. Boyd
Journal of Sedimentary Research (SEPM)
... of chalcedonic quartz. In Pattern III, an outer lamina of microcrystalline quartz grades abruptly inward to laminated chalcedonic quartz which in turn grades...
1981
Evolution of overpressure in the Wufeng-Longmaxi shale reservoirs of the Jiaoshiba area, Sichuan Basin, southwestern China: Implications for shale gas preservation
Tao Luo, Xiaowen Guo, Zhiliang He, Kamaldeen O. Omosanya, Ze Tao, and Sheng He
AAPG Bulletin
... be filled with calcite and quartz veins, as well as in situ fluids such as hydrothermal and hydrocarbon fluids, which can be encapsulated as fluid...
2024
Abstract: Comparison of Auriferous Structures in New Brunswick and Their Relationship to Tectonostratigraphic Zone Boundaries
A. A. Ruitenberg
Atlantic Geology
... reflect the complex deformational histories of each of these tectonlcal ly active belts. Numerous aurlferous quartz ± carbonate ± sulphlde veins and stock...
1986
Intrusions at Slickrock Mountain Big Bend National Park, Texas
Elizabeth Hill, Calvin G. Barnes
West Texas Geological Society
... alkali gabbro to quartz syenite. These rocks intruded the Cretaceous (Gulfian) Aguja Fm. during Eocene time. The only available K-Ar age...
1986
Microstylolites in a Rhyolite Porphyry
F. Donald Bloss
Journal of Sedimentary Research (SEPM)
.... with removal of both quartz and feldspar, is strongly indicated by the partial removal of spherulites and phenocrysts and by the concentration along...
1954
Shell Content in Quartzose Beach and Dune Sands, Dee Why, New South Wales
G. S. Gibbons
Journal of Sedimentary Research (SEPM)
.... Separate size analyses of the quartz and carbonate fractions of each sample were then calculated. The results show that quartz and carbonate size...
1967
The Kidney Stone from a Bomoh (Malay Medicine-Man)
T. T. Khoo
Geological Society of Malaysia (GSM)
...., Eastwood 2122 Australia Abstract: A kidney stone supposedly extracted without surgery by a bomoh from Perak was found to be composed mainly of quartz...
2001
Factors in Loss of Porosity by Quartzose Sandstones of Virginia: DISCUSSION
Alan Thomson
AAPG Bulletin
..., "Correlation of Quartz Deformation with Its Crystal Structure," Amer. Mineralogist, Vol. 24, No. 6, pp. 351-68. FAIRBAIRN, H. W., 1941, "Deformation...
1956
Abstract: Constraining Maturation and Yield Timing with Quartz Cement Abundance: Applications in South American Fold and Thrust Belts, by D. N. Awwiller and L. L. Summa; #90933 (1998).
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1998
Mechanisms of Quartz Cementation in North Sea Reservoir Sandstones: Constraints From Fluid Compositions: Chapter 2: CONSTRAINTS ON DIAGENETIC PROCESSES
Andrew C. Aplin, Edward A. Warren, Shona M. Grant , Andrew G. Robinson
AAPG Special Volumes
...Mechanisms of Quartz Cementation in North Sea Reservoir Sandstones: Constraints From Fluid Compositions: Chapter 2: CONSTRAINTS ON DIAGENETIC...
1993
Composition of Modern Stream Sand in a Humid Climate Derived from a Low-Grade Metamorphic and Sedimentary Foreland Fold-Thrust Belt of North Georgia
Greg H. Mack
Journal of Sedimentary Research (SEPM)
... shales, cherty carbonates, and quartz arenites. The relative abundance of the source rock types in the drainage basin of each sample site was determined...
1981
Quantifying Compaction, Pressure Solution And Quartz Cementation in Moderately-And Deeply-Buried Quartzose Sandstones from the Greater Green River Basin, Wyoming
W. Naylor Stone, Raymond Siever
Special Publications of SEPM
...Quantifying Compaction, Pressure Solution And Quartz Cementation in Moderately-And Deeply-Buried Quartzose Sandstones from the Greater Green River...
1996
Sandstone in Lower Cretaceous Helvetiafjellet Formation, Svalbard: Bearing on Reservoir Potential of Barents Shelf
Marc B. Edwards
AAPG Bulletin
... a major regression. Sandstones consist chiefly of monocrystalline and polycrystalline quartz, feldspar, chert, and volcanic (basaltic) rock fragments...
1979
Petrology, Provenance and Silica Diagenesis of the Penrith Sandstone (Lower Permian) of Northwest England
Brian Waugh
Journal of Sedimentary Research (SEPM)
... unstrained, strained and polycrystalline quartz grains, with subordinate feldspar and rock fragments. Distinct petrographic features of the detrital...
1970
Abstract: Geology of the Chetwynd Gold Deposit, Newfoundland: A Progress Report
A. Yule
Atlantic Geology
... to the southeast, comprising pel lte, quartz-eye bearing greywacke, and quartz grit and maflc flows. Various dacltlc, gabbrolc, and ultramaf lc(?) sl I...
1986
Abstract: The Deep Cove Pluton and Associated Polymetallic Mineralization, Gabarus Bay, Cape Breton Island, Nova Scotia
Frank A. R. Dennis
Atlantic Geology
... ABSTRACTS and minor quartz and biotite in a fine grained groundmass of quartz, sanidine and minor plagioclase. Associated with the pluton are co...
1987
Abstract: Syn-late Metamorphic Fluid Focussing in the Formation of Turbidite Hosted Gold-Quartz Veins in the Archean Yellowknife Basin, Slave Province, N.W.T.; A Meguma Analogue?
Tim Stokes, Nicholas Culshaw, Marcos Zentilli
Atlantic Geology
...Abstract: Syn-late Metamorphic Fluid Focussing in the Formation of Turbidite Hosted Gold-Quartz Veins in the Archean Yellowknife Basin, Slave...
1988
Abstract: Rare-earth-element variability in gangue mineralogy of Meguma-hosted auriferous quartz veins, Nova Scotia: possible consequence of unmixing of H2O-CO2-NaCl-CH4 fluids
Daniel J. Kontak, Paul K. Smith
Atlantic Geology
...Abstract: Rare-earth-element variability in gangue mineralogy of Meguma-hosted auriferous quartz veins, Nova Scotia: possible consequence of unmixing...
1989
Abstract: Petrology and Diagenesis of Deep-Water Sandstones, Ouachita Mountains, Arkansas and Oklahoma, by Robert C. Morris, Kenneth E. Proctor, Michael R. Koch; #90969 (1977).
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1977
Abstract: Paragenesis of Authigenic Minerals in St. Peter Sandstone, by I. Edgar Odom, T. M. Willand, R. J. Lassin; #90969 (1977).
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1977
Abstract: Diagenesis of Offshore-Bar Sandstones of Frontier Formation, Spearhead Ranch Field, Wyoming, by Roderick W. Tillman, William R. Almon; #90969 (1977).
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1977
Abstract: Jurassic Cotton Valley Reservoir Quality, Eastern Offshore Gulf of Mexico: Chlorite Coatings and the Porosity Preservation Story Found Below 20,000 ft
Andrew Thomas, Jessy Jones, Dave Balcer, Tom Himes, Larry O’Mahoney, and Linda Bonnell
Houston Geological Society Bulletin
...% to 6.7%. Although quartz is the main cement, chlorite grain coatings inhibit quartz cement when they are well developed. Late fractures are partly...
2005
Abstract: Lithofacies and Depositional Environments of Hosston Formation (Lower Cretaceous), South-Central Texas, by Ralph L. Nelson, Donald F. Reaser; #90961 (1978).
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1978
Geology of the Rocky Range Beaver County, Utah
James A. Whelan
Utah Geological Association
... identify all of the sedimentary rocks. Intrusive rocks that occur as stocks and sills(?) include granite, quartz monzonite, and granodiorite...
1973