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The AAPG/Datapages Combined Publications Database

Showing 12,580 Results. Searched 200,626 documents.

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Crustal Structure and Stratigraphy of Continental Margin Off Northeastern United States: ABSTRACT

John S. Schlee, John A. Grow, Kim D. Klitgord

AAPG Bulletin

..., that is, those deposited after sea-floor spreading began, can commonly be distinguished from prerift and synrift sediments by a conspicuous "breakup...

1981

Geothermal Conditions and Their Implications for Basement Tectonics in Gulf Coast Margin: ABSTRACT

Douglas L. Smith, William T. Dees, Danny W. Harrelson

AAPG Bulletin

... Mississippi. This zone is distinguished by mobilized, thermally conductive salt diapirs and alkalic igneous rocks. The Wiggins uplift with Paleozoic...

1981

Emendation of Pecan Gap Chalk (Campanian) in Northeast Texas: ABSTRACT

C. L. McNulty

AAPG Bulletin

... of a qu rtzose arenite and calcarenite that is distinguished by abundant glauconite-phosphorite, abundant foraminifers, coccoliths, pelecypod prisms, thin...

1981

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

Dennis M. Krohn, Jeffrey D. Phillips

AAPG Bulletin

... composite. Fieldwork showed that several types of coniferous and deciduous oak forests could be readily distinguished on the image. An E-W elongate zone, 45...

1982

Jurassic Subcrop and Its Effect on Sedimentation, West-Central Alberta: ABSTRACT

Don Marion

AAPG Bulletin

... sandstones are present beneath Cretaceous sandstones and, in the absence of paleontologic control (usual situation), can only be distinguished...

1982

Canadian "Deep-Water" Carbonate Deposits: Distinction from "Analogous" Siliciclastic Deposits and Their Hydrocarbon Potential: ABSTRACT

I. A. McIlreath

AAPG Bulletin

... versus depositional) and type of margin sediment (reef versus lime sands). These models can be distinguished as separate seismic facies. Still other...

1982

Classification of Onshore Sedimentary Basins in Brazil: ABSTRACT

Roberto Porto, Peter Szatmari

AAPG Bulletin

... regions can be distinguished in this basement: the relatively calm Amazonic Province and the strongly tectonized Atlantic Province, welded together...

1982

Tidal Deposition of Cypress, Ridenhower, and Bethel Sandstones (Chesterian, Late Mississippian), La Salle Anticlinal Belt, Lawrence and Crawford Counties, Illinois: ABSTRACT

Beverly Seyler

AAPG Bulletin

... belt, the Cypress, Ridenhower, and Bethel coalesce into single massive sand units up to 200 ft (61 m) thick, distinguished by blocky SP log...

1982

Distribution of Manganese Nodules in Pacific Ocean: ABSTRACT

D. Z. Piper, T. R. Swint, V. E. McKelvey, L. Sullivan

AAPG Bulletin

..., distinguished by their composition, are those containing the following: (1) greater than 1.8% Ni + Cu, (2) between 1 and 1.8% Ni + Cu, (3) greater...

1982

Geology and Geothermal Exploration, Southernmost Peru: ABSTRACT

Harold J. Prostka, James L. Moore, Joe La Fleur

AAPG Bulletin

... photos, glaciated Pliocene and Pleistocene volcanoes were readily distinguished from those of Holocene age which probably are underlain by magm tic...

1982

Fracture Analysis of Eastern Ohio: ABSTRACT

Richard A. Struble, David P. Hodges

AAPG Bulletin

... Ohio. Statistical analysis of this data was necessary due to the large volume of data. A computer program was developed that analytically distinguished...

1982

Critical Appraisal of Fluvial Facies Models: ABSTRACT

John S. Bridge

AAPG Bulletin

... be distinguished on the basis of their water discharge, slope, width/depth ratio, and sinuosity; quantitative analysis of ancient alluvium is required...

1983

Precision Measurements of Interval Velocity Differences from Seismic Data: ABSTRACT

Ernest E. Cook, Norman S. Neidell, John H. Beard

AAPG Bulletin

... in the subsurface. Reservoir quality porous rock formations will always be distinguished by reduced seismic velocities whether or not hydrocarbons are present...

1983

Regional Variations in Development and Characteristics of Barrier Island Foredunes Along Texas Coast: ABSTRACT

Karen P. Smith

AAPG Bulletin

..., and shoreline stability. In general, Texas coast sediments are fine to very-fine grained, well-sorted sands. Dune and foreshore subfacies can be distinguished...

1983

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