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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 5,194 Results. Searched 200,685 documents.

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Transport Processes for Lower Paleozoic Resedimented Conglomerates of Appalachians: ABSTRACT

Roger G. Walker, Ian C. Davies

AAPG Bulletin

... are more commonly massive than normally graded, although inverse grading occurs at the base of many beds. Stratification, delineated by alternations of grain...

1973

Triassic Paleocaliche in Red Beds of Dolores Formation, Southwestern Colorado: ABSTRACT

Robert H. Blodgett

AAPG Bulletin

... in diameter. Evidence for in-situ origin of these limestone concretions includes: irregular shape, floating texture, inverse grading, and truncation of back...

1980

A Principal Component Enhancement for Landsat Images: Possible Structural Applications in Vegetated Virginia Piedmont: ABSTRACT

Dennis M. Krohn, Jeffrey D. Phillips

AAPG Bulletin

... of Landsat images in vegetated areas. A modified principal-component (PC) enhancement was applied to a Landsat scene of eastern Virginia: a second inverse...

1982

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

Helen Tappan, Alfred R. Loeblich, Jr.

AAPG Bulletin

...Fluctuations in Marine Productivity Through Time: Inverse Relation with Terrestrial Floras: ABSTRACT Helen Tappan, Alfred R. Loeblich, Jr. 1982 636...

1982

Pisoliths of Fairview Valley Formation, San Bernardino County, California: ABSTRACT

J. C. Nellis

AAPG Bulletin

... polygonal structure. Locally, the grains crop out as conspicuous graded, inverse graded, and lensoid or wavy beds. These are commonly separated by thin...

1982

Petrography and Thickness Variations of Brereton Limestone Member (Carbondale Formation, Middle Pennsylvanian)--An Important Roof-Rock in Part of Illinois Basin: ABSTRACT

Michael J. Guzan, John Utgaard

AAPG Bulletin

... shoaling. Area II is characterized by a general thickening of the Brereton away from the sandstone channel and generally an inverse relationship between...

1983

Queen Formation of Millard Field, Pecos County, Texas: Its Lithologic Characteristics, Environment of Deposition, and Reservoir Petrophysics: ABSTRACT

Jim Mazzullo, Matt Williams, S. J. Mazzullo

AAPG Bulletin

... smectite and porosity, and concomitantly an inverse relationship between anhydrite cement content and porosity. The porosity of the sandstone reservoirs...

1984

Developing an Oil Generation Model for Resource Assessment of Bakken Formation, Williston Basin: ABSTRACT

Ronald R. Charpentier, Katherine B. Krystinik

AAPG Bulletin

... extreme residuals--either high or low. Clustering and residual analyses show roughly the same areal patterns. Inverse relationships, similar...

1984

Contour Mapping Using A Microcomputer--Techniques for Improvement: ABSTRACT

Mark A. Herkommer

AAPG Bulletin

.... Using collection and estimating techniques such as nearest-neighbor searches and inverse-distance moving weighted averaging, several thousand nodes...

1984

Scheck Breccias from Devonian Reef Complexes of Canning Basin, Western Australia: ABSTRACT

Charles Kerans, Phillip E. Playford

AAPG Bulletin

... clasts reworked from associated nodular limestones. Breccias are clast-supported and may be inverse-to-normally graded, normally graded, or massive...

1984

Carbonate-Anhydrite Facies Determination by Quantitative Seismic Stratigraphy in Paradox Basin: ABSTRACT

Richard F. Wadleigh, Jr., John A. Ward

AAPG Bulletin

... an inverse method of calibrating seismic data by the integration of quantitative analysis of filtered sonic logs from bore-hole data with seismically derived...

1985

Depositional Environments of Wilcox Lignites in Choctaw and Winston Counties, Mississippi: ABSTRACT

Darren S. Dueitt, Franz Froelicher, Samuel W. Rosso

AAPG Bulletin

... Mississippi were studied by proximate and petrographic measurements. An inverse relationship was found between the ash content and seam thickness; in 12...

1985

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