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The AAPG/Datapages Combined Publications Database

Showing 6,168 Results. Searched 200,616 documents.

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Biostratigraphy of Discocyclinid-Bearing Beds, Eocene Llajas Formation, Southwestern Santa Susana Mountains, California: ABSTRACT

Herman B. Schymiczek, Richard L. Squires

AAPG Bulletin

..., Cibicides, Operculina, Asterigerina, and Quinqueloculina. Most of the genera are extant and are found today in tropical to subtropical shallow marine...

1981

Petroleum Origin: Heavy Rains, River Plume, Ocean Stratification: ABSTRACT

Martine Rossignol-Strick

AAPG Bulletin

... river plumes which accumulated a low-salinity surface layer undisturbed by the weak winds, a process very common today off the tropical river mouths...

1982

Carbonate-Clastic Facies Changes, Pennsylvanian-Early Permian, Northwest Arizona-Southern Nevada: ABSTRACT

Walter H. Pierce

AAPG Bulletin

... marine to subaerial environments, wherein the climate was tropical and marine current energy was low. A Morrowan to Atokan regressive facies change...

1983

Climate Control of Cretaceous Coal Distribution: ABSTRACT

Dale C. Beeson

AAPG Bulletin

... up to and including the polar regions. Several factors, such as the absence of coal deposits from Cretaceous tropical landmasses, indicate...

1984

Calcification of Encrusting Aragonitic Algae: Implications for Origin of Late Paleozoic Reefs and Cements: ABSTRACT

Noel P. James, John L. Wray, Robert N. Ginsburg

AAPG Bulletin

... algae except for the well-known Mg-calcite coralline algae. They are distributed worldwide, are most heavily calcified in temperate and tropical...

1984

Washover Fan and Terrace Dynamics--A Stormy Year on Assateague Island, Virginia and Maryland: ABSTRACT

R. Craig Kochel, Jacob H. Kahn

AAPG Bulletin

... only by the March 1982 Ash Wednesday storm, 7 northeasters of moderate intensity, and a significant tropical storm. Our surveys suggest that eolian...

1984

Calcareous Nannofossil Paleobiogeography of the Cretaceous Greenhorn Sea: ABSTRACT

David K. Watkins

AAPG Bulletin

... indicate contributions from both tropical and boreal oceanic water masses. End_of_Article - Last_Page 538...

1984

Paleovertisols as Indicators of Climate: ABSTRACT

Robert H. Blodgett

AAPG Bulletin

... structure, and locally develop surface microrelief and carbonate nodules. The optimum development of Vertisols is in subtropical to tropical monsoonal...

1985

Cincinnatian Series--Model for Cyclic and Episodic Deposition of Carbonates and Shales on a Storm-Dominated Ramp: ABSTRACT

Rick C. Tobin, Wayne A. Pryor

AAPG Bulletin

... frequently interrupted by storm events. Tropical storms affected sedimentation and benthic ecology in seven ways by: (1) eroding sediments; (2...

1985

Environmental Controls on Accumulation of Thick, Low-Sulfur Coal (Peat) in Lower Pennsylvanian Pocahontas Formation, Virginia and West Virginia: ABSTRACT

Roger E. Thomas, Kenneth J. Englund

AAPG Bulletin

... clay and silt. In modern analogous peat-forming environments in tropical southeastern Asia, accumulations of low-a h and low-sulfur domed peat...

1985

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