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The AAPG/Datapages Combined Publications Database
Showing 26,126 Results. Searched 200,619 documents.
ABSTRACT: Cambrian/Early Ordovician Sequence Stratigraphy and Mt. Simon Sandstone Petrology--Michigan Basin, by Jeffrey T. Cottingham; #91003 (1990).
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1990
ABSTRACT: Integrated Geologic/Engineering Study of the Kurten Field Waterflood, by Alison L. Gay; #91003 (1990).
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1990
ABSTRACT: Mineralization of Porphyry Copper-Gold Deposits: Paragenesis and Fluid Inclusions, by Akira Imai; #90097 (1990).
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1990
Effect of Climate and Source Area Location on Browns Park Formation Petrology: ABSTRACT
Wayne A. Chisholm
AAPG Bulletin
.... Abundant plutonic and volcanic rock material show that the sandstones are largerly first cycle sediments. The quartz, feldspar, volcanic rock...
1963
Abstract: Compaction and Porosity Prediction in Chert-Rich Sandstones and Conglomerates, by A. Cochran; #91004 (1991)
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1991
Geology of a Portion of the Contwoyto Lake Area, Northwest Territories: ABSTRACT
Alden B. Carpenter
AAPG Bulletin
... of the central part of Contwoyto Lake, N.W.T. The oldest rock unit is apparently a quartz-plagioclase-biotite-K-feldspar paragneiss containing numerous...
1964
Abstract: Porosity Reduction in Sandstones Induced by Mechanical Compaction: Cathodoluminescence Evaluation, by L. A. Hathon and D. W. Houseknecht; #91004 (1991)
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1991
Defining a Gradient in a Sample of Sedimentary Rock: ABSTRACT
E. C. Dahlberg
AAPG Bulletin
... with confidence limits which expose graphically the trends displayed by individual constituents indicate that feldspar proportion, mica proportion, and quartz...
1965
Stratigraphy and Oil Possibilities of Mesozoic Rocks in Kandik Basin, East-Central Alaska: ABSTRACT
Earl E. Brabb
AAPG Bulletin
... Limestone of Permian age. It consists mainly of carbonaceous argillite but includes some limestone, oil shale, and quartz arenite. This unit is about...
1965
Character, Origin, and Significance of Late Silurian Barrier Island--Fuyk Sandstone Member of Rondout Formation, Hudson Valley, Eastern New York State: ABSTRACT
John D. Harper
AAPG Bulletin
... of section. The second transgressive episode was characterized by the development of a quartz sandstone barrier island-dolomite lagoon complex near...
1968
Postmortem History of a Permian Pelecypod Assemblage from Wyoming: ABSTRACT
Donald W. Boyd, Norman D. Newell
AAPG Bulletin
.... At that time burrowers penetrated the bottom and introduced younger quartz sand and fine shell debris into the substrate and into some of the shallowest molds...
1969
Stratigraphy of Beaufort Formation along Western Margin of Canadian Arctic Islands: ABSTRACT
Len V. Hills
AAPG Bulletin
... the upper or lower unit. Mineralogically, the lowest unit is composed of about 70% quartz, 25% chert, and 5% others (shale chips predominantly...
1970
Upper Jurassic and Basal Cretaceous Sandstones of Southern Saskatchewan and Vicinity: ABSTRACT
J. E. Christopher
AAPG Bulletin
... migrating northern delta. The Cantuar Formation (Aptian to Albian) comprises (a) white to light-gray quartz-kaolin (feldspathic) arenites; (b) olive...
1971
Calcite Rims, Little Falls Formation, Upper Cambrian, New York: A Dedolomitization Fabric?: ABSTRACT
D. H. Zenger
AAPG Bulletin
... and the calcitic border, the latter commonly being very slightly ferroan. Dolomite preceded development of quartz overgrowths, as determined by spatial...
1972
Petrology and Diagenesis of Tertiary Aquifer Carbonates, North Carolina: ABSTRACT
P. A. Thayer, D. A. Textoris
AAPG Bulletin
... biosparite and biosparrudite, which grades westward into calcareous quartz sand. Facies A consists of unabraded pelecypod valves (dominantly molds...
1972
Paragenetic and Stability Relations Among Authigenic Minerals--Indicators of Pore-Fluid Geochemistry: ABSTRACT
I. Edgar Odom
AAPG Bulletin
...-feldspar with some quartz, (2) illite-smectite-chlorite, sometimes with calcite or dolomite, (3) quartz (overgrowths), (4) pyrite, and (5) kaolinite...
1979
Deduction of Past Geothermal Gradients in Neogene Siliceous Rocks in Circum-Pacific Region: ABSTRACT
Kenneth A. Pisciotto
AAPG Bulletin
... and mineralogic progression: diatomite (opal-A) ^rarr chert and porcelanite (opal-CT) ^rarr chert and porcelanite (quartz). Temperature...
1979
Origin of Porosity in Deep Woodbine-Tuscaloosa Trend, Louisiana: ABSTRACT
Alan Thomson
AAPG Bulletin
... which are arranged edgewise, one crystal thick, on grain surfaces. Sandstones with more or less continuous chlorite coatings around quartz grains...
1979
Effects of Physical and Chemical Diagenesis on Low-Porosity, Low-Permeability Sandstones, Mesaverde Group, Uinta Basin, Utah: ABSTRACT
C. W. Keighin
AAPG Bulletin
.... The sandstones are predominantly feldspathic litharenites composed of monocrystalline and polycrystalline quartz, igneous, metamorphic, and fine-grained...
1981
Peralkaline Ash-Flow Tuffs in Santa Clara Canyon, North of Chihuahua City, Mexico, Possible Source Rocks for Uranium: ABSTRACT
Richard D. Dayvault
AAPG Bulletin
... sanidine (Or 45-55) quartz, hedenbergite, and magnetite. A complete cooling unit consists of: (1) a basal vitrophyre with associated spherulitic pods; (2...
1981
Jurassic Subcrop and Its Effect on Sedimentation, West-Central Alberta: ABSTRACT
Don Marion
AAPG Bulletin
... and ridge system. To the west, successively younger units subcrop at the Pre-Cretaceous surface. As a result, unconformity bounded Jurassic quartz...
1982
Copper Deposits--Frieda River Prospect, Papua New Guinea: ABSTRACT
Drew D. Henry
AAPG Bulletin
.... Extensive hydrothermal alteration has given rise to a widespread assemblage, consisting of quartz, alunite, kaolinite, pyrite, and locally, native sulfur...
1982
Depositional Environments of Silurian Whirlpool Sandstone (Medina) in Western New York: ABSTRACT
Beverly Seyler
AAPG Bulletin
... and signified only by an abrupt influx of clean quartz sand. Petrographic analysis shows that the Whirlpool is a second or multicycle sandstone composed...
1982
Oxygen Isotopic Studies of Diagenetic Clay Minerals: Implications for Geothermometry, Diagenetic Reaction Mechanisms, and Fluid Migration: ABSTRACT
Samuel M. Savin
AAPG Bulletin
... transition is quartz. When the diagenetically formed quartz can be isolated for isotopic analysis, oxygen isotope fractionations between coexisting...
1982
Petrologic Variation in Pliocene to Quaternary Gravels of Southeastern Louisiana: ABSTRACT
Robert P. Self
AAPG Bulletin
... analyses and chert-to-quartz ratios were studied on Pliocene and Quaternary gravel fractions from the Florida parishes of southeastern Louisiana...
1983