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The AAPG/Datapages Combined Publications Database

Showing 12,182 Results. Searched 200,619 documents.

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Detailed Evaluation of Two Texas Lignite Deposits of Deltaic and Fluvial Origins: ABSTRACT

S. J. Tewalt, M. A. Bauer, D. Mathew

AAPG Bulletin

... from stratigraphically older to younger seams is reflected in both seam characteristics and comparisons of average heating values. A Wilcox deposit...

1981

Diagenetic History of Phosphoria, Tensleep, and Madison Formations, La Barge Platform, Wyoming: ABSTRACT

Janell D. Edman, Ronald C. Surdam

AAPG Bulletin

... histories of cementation and porosity development. This is reflected in the present maximum of 5% porosity in the Tensleep contrasted with 20% porosity...

1982

Reflection of Topography on Pre-Cretaceous Unconformity Through Overlying Section in Central Alberta: ABSTRACT

Douglas E. Glass

AAPG Bulletin

.... (May) Topographic highs and lows on the Pre-Cretaceous unconformity of central Alberta are reflected as irregularities on the structure of overlying...

1982

Oligocene/Miocene Boundary: Correlation, Biostratigraphy, and Foraminiferal Evolution: ABSTRACT

J. P. Kennett, M. S. Srinivasan

AAPG Bulletin

... (Fohsella) peripheroronda from Globorotalia (Fohsella) kugleri. These evolutionary radiations are reflected by a general increase in simple species...

1982

Early Cretaceous Depositional and Structural Development of Wyoming-Idaho-Utah Foreland Basin: ABSTRACT

Katharine N. Sippel, James G. Schmitt

AAPG Bulletin

... are reflected by the eastward progradation of coarse fluvial clastic wedges into the Cretaceous seaway. Between pulses of thrust movement, tectonic...

1982

Fluctuations in Marine Productivity Through Time: Inverse Relation with Terrestrial Floras: ABSTRACT

Helen Tappan, Alfred R. Loeblich, Jr.

AAPG Bulletin

..., reflected in carbon isotope ratios and petroleum deposits, was attained by those microfloras best utilizing contemporaneous nutrient levels. When successive...

1982

Modern Thecamoebinids (Arcellinida) from Balize Delta, Louisiana: ABSTRACT

Drew Haman

AAPG Bulletin

.... This distribution pattern is reflected by the dead forms. Living representatives belong to three families, three genera, and 10 species out of a total...

1982

Misinterpretation of Environmental Monitoring Data--a Plague on Mankind: ABSTRACT

Wayne C. Isphording

AAPG Bulletin

... was not the direct result of the drilling operation but rather reflected its common association with disseminated oxides in the bottom muds, as a chelated form...

1982

Reaction Kinetics of Laboratory-Simulated Kerogen Maturation: ABSTRACT

M. E. Baur, H. I. Halpern, I. R. Kaplan

AAPG Bulletin

... for hydrocarbon genesis in the field. This may be reflected in a dependence of the kinetics on lithology and porosity of the source or rock unit. End...

1982

Storm-Generated Accumulation of Nummulite Banks in Eocene of Cairo, Egypt: ABSTRACT

Thomas Aigner

AAPG Bulletin

.... Upward growth of the banks into shallower water is reflected by an increase in winnowed fabrics and by a cap of shoal calcarenites. During shallowing...

1983

Computer-Assisted Map Evaluation of a Coal Prospect: ABSTRACT

Peter L. Briggs

AAPG Bulletin

... then digitized, thus allowing expert human interpretation, as reflected in the hand-drawn contours, to be entered into the computer. The computer then formed...

1983

Biogenic Structures in Pelagic Carbonates: An Ichnofacies Comparison of Deep-Sea and Shelf-Sea Chalks: ABSTRACT

A. A. Ekdale, Richard G. Bromley

AAPG Bulletin

... of the original depositional environment, such as water depth, sediment type, and substrate stability, may be reflected in the ichnofacies...

1983

Tectonostratigraphic Terranes of the Frontier Circum-Pacific Region: ABSTRACT

D. G. Howell, D. L. Jones, E. R. Schermer

AAPG Bulletin

... Precambrian through the early Mesozoic. Mid-Paleozoic accretion is reflected in the Innuitian foldbelt of the Arctic Ocean, the "Black Clastic" unit...

1983

Organic-Matter Preservation in Chattanooga Shale: Revised Late Devonian Correlations, Kentucky and Tennessee: ABSTRACT

Roy C. Kepferle, James D. Pollock, Lance S. Barron

AAPG Bulletin

.... Pollock, Lance S. Barron 1983 495 495 67 3. (March) Continued interest in the carbon-rich shale of Devonian and Mississippian age in Kentucky is reflected...

1983

Eocene-Oligocene Sea Level Changes as Reflected in Alabama Outcrop Sections: ABSTRACT

T. S. Loutit, G. R. Baum, R. C. Wright

AAPG Bulletin

...Eocene-Oligocene Sea Level Changes as Reflected in Alabama Outcrop Sections: ABSTRACT T. S. Loutit, G. R. Baum, R. C. Wright 1983 506 506 67 3...

1983

Red Fork Sandstones (Lower Pennsylvanian) in Deeper Parts of Anadarko Basin, Oklahoma: ABSTRACT

Philip H. Whiting, Steven D. Levine

AAPG Bulletin

... and overbank facies is reflected in gamma-ray log responses. Log characters of the two facies are used to interpret turbidite sections of uncored areas...

1983

Salt Diapirism in Central Utah: ABSTRACT

Irving J. Witkind

AAPG Bulletin

... of this episodic diapirism, younger daughter folds occupy the same structural zones as the older parental folds. At least three diapiric episodes are reflected...

1983

Shallow Structure and Carbonate Sedimentation of West Florida Upper Continental Slope: ABSTRACT

Larry J. Doyle, Charles W. Holmes

AAPG Bulletin

... reflected in a wide variety of mass-wasting features from creep to massive slides to gravity-induced folds tens of kilometers long. Fan deposits have...

1984

Pericollisional Strike-Slip Basins in Western Cordillera, Canada: ABSTRACT

G. H. Eisbacher

AAPG Bulletin

... the eformed cratonic margin zone ("Rocky Mountain Trench"). Subsidence is reflected by northwest-southeast stretching along pull-apart structures...

1984

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