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The AAPG/Datapages Combined Publications Database

Showing 10,239 Results. Searched 200,636 documents.

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Geological Reservoir Analysis, Madison Formation, Elk Basin Field, Wyoming-Montana: ABSTRACT

J. A. McCaleb, D. A. Wayhan

AAPG Bulletin

... by the downward percolating groundwater, have caused local, relatively tighter zones, forming, in effect, local stratigraphic traps. Zones of insoluble reside...

1969

Comparison of Continental Margins Off Northwest Africa and Cape Hatteras: ABSTRACT

Peter A. Rona

AAPG Bulletin

... that turn downward at the continental margins. Thus, the opposing continental margins investigated are not mirror images as might be expected...

1969

Pleistocene Calcarenite Lithosomes of Bermuda: ABSTRACT

H. Leonard Vacher, Fred T. MacKenzie

AAPG Bulletin

... and windward-topset wedge. The foreset wedge is characterized by strata steeply inclined (35°) landward and concave seaward and downward. Foreset curvature...

1970

Lower Cretaceous Edwards Carbonate Beach Complex, Comanche County, Texas: ABSTRACT

Clyde H. Moore, Jr., Stephen H. Allen

AAPG Bulletin

... beach sequence and Holocene clastic beach sequences are a general downward decrease in grain size and the sedimentary structure sequence from inclined...

1970

Tectonic Map of Arctic Polar Regions of Earth: ABSTRACT

B. Kh. Egiazarov, I. P. Atlasov, M. G. Ravich, G. E. Grikurov, R. M. Demenitskaya, G. A. Znachko-Yavorsky, A. P. Puminov, B. S. Romanovich, D. S. Solovyev

AAPG Bulletin

... powerful block movements. Thus, the latest movements in the Arctic have been vertical, but downward. Those in the Antarctic were vertical, but upward...

1970

Salt Piercement Versus Downbuilding on Shallow Gulf Coast Salt Domes: REPLY

Derrell A. Smith , F. A. E. Reeve

AAPG Bulletin

... of the growing plug as salt rises and sedimentary rocks subside down its flank The subsidence results from the downward movement of sediments into the space...

1971

Phosphate Deposits of Cabinda District, Angola, Portuguese West Africa: ABSTRACT

T. M. Cheney

AAPG Bulletin

... by the recent downward movement of meteoric water where the beds are near the surface. Leaching extends to a maximum depth of about 300 ft...

1972

Denkman Sandstone Member--Important Jurassic Reservoir in Mississippi, Alabama, and Florida: ABSTRACT

W. W. Tyrrell, Jr.

AAPG Bulletin

... basal Smackover carbonates, but is gradational downward into redbeds, the more characteristic lithology of the Norphlet. Regionally, the Denkman grades...

1972

Laminated ("Varvitic") Carbonates and Anhydrites from Ordovician and Devonian of Saskatchewan: ABSTRACT

A. C. Kendall

AAPG Bulletin

... and are located on the basin floor between large carbonate banks. The laminites grade downward into a thin (1-10 ft) unit of black, highly bituminous, laminated...

1973

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