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The AAPG/Datapages Combined Publications Database

Showing 34,425 Results. Searched 195,696 documents.

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Biostratigraphic Relation of Neogene Benthic Foraminifera from Southern California Outer Continental Borderland to Monterey Formation: ABSTRACT

Gregg H. Blake

AAPG Bulletin

... species on bottom environmental parameters, the dominant occurrence of lower bathyal to abyssal faunas present problems for direct correlations...

1981

Gulf of Mexico Types of Intraslope Basins as Determined by Seismic Reflection Patterns: ABSTRACT

Arnold H. Bouma

AAPG Bulletin

... level rises and bottom transport decreases, the topographic effect of diapiric growth in canyons may be unchecked by erosion and infilling; thus...

1981

Continental Borderland off Northern Baja California, Mexico: Rifted Segment of Pacific Margin: ABSTRACT

Jim Crouch

AAPG Bulletin

..., bathymetric, geophysical, and bottom sample data suggest that their structure, lithology, and tectonic evolution differ markedly. Relative...

1981

Field Study of Subaqueous Avalanching: ABSTRACT

John R. Dingler, Roberto J. Anima

AAPG Bulletin

... at the canyon bottom. Where such angle-of-repose sand slopes occur within scuba diving depth, they present an opportunity to study subaqueous grain flows...

1981

Overview of Seals for Hydrocarbons: ABSTRACT

Marlan W. Downey

AAPG Bulletin

... require a top seal, bottom seal, and an updip lateral seal. In addition, the transition from reservoir to seal must be very rapid or the hydrocarbon...

1981

Tectono-Climatic Model for Origin of Devonian-Mississippian Black Gas Shales of East-Central United States: ABSTRACT

Frank R. Ettensohn, Lance S. Barron

AAPG Bulletin

... oxygenation of deeper bottom waters. Organic-rich muds deposited there were preserved in the anaerobic conditions that resulted. Eventually, the sea...

1981

Stratigraphy and Sedimentology of Pleistocene-Holocene Turbidites and Glacial Ice-Rafted Sequence, Canada Basin, Arctic Ocean: ABSTRACT

Robert H. Goldstein

AAPG Bulletin

... of 3,600 to 3,700 m, where the bottom slope is less than 0.1°. The cores consist of turbidites and glacial-marine sediment as determined by diagnostic...

1981

Geochemistry of Organic-Rich Shales and Coals from Middle Pennsylvanian Cherokee Group and Lower Part of Marmaton Group, Oklahoma, Kansas, Missouri, and Iowa: ABSTRACT

Joseph R. Hatch, Joel S. Leventhal

AAPG Bulletin

... not intercept the sulfur axis, which suggests a lack of H2S-containing bottom waters; different slopes of these plots suggest variabilit of sulfate availability...

1981

Erosion of Old Slump-Scar on Nova Scotian Slope and Possible Mid-Slope Depositional Lobe: ABSTRACT

Philip R. Hill

AAPG Bulletin

... hazard for placing bottom structures. End_of_Article - Last_Page 938...

1981

Factors Influencing Sediment Transport at Shelf Break: ABSTRACT

H. A. Karl, P. R. Carlson, D. A. Cacchione

AAPG Bulletin

... the geologic set ing of the shelf break. An example of the former is that the physical structure of the bottom boundary layer depends strongly...

1981

Radiolarian Distribution and Enhanced Preservation in Modern Sediments: Indicators of Oceanographic Environments: ABSTRACT

Florence R. Kunze, Richard E. Casey

AAPG Bulletin

... Ridge which may be due to metal abundance in the sediments, low sedimentation rates, and/or high silica concentration of interstitial and bottom waters...

1981

Sandstone Tongue of Cherry Canyon Formation and Upper San Andres Formation (Permian), Last Chance Canyon Area, Southeast New Mexico: ABSTRACT

Robert W. McDermott, Alan J. Scott

AAPG Bulletin

... basinward as gravity-driven underflows beneath the less dense normal-marine waters. The bottom-hugging currents dissected the shelf and slope systems...

1981

Storm-Surge Ebb Deposits of Early Cambrian Shelf: Andrews Mountain Member, Campito Formation, Eastern California: ABSTRACT

Jeffrey F. Mount

AAPG Bulletin

...-period storm waves. (2) As an intense low-pressure system moves onshore, a sediment-charged return bottom flow is generated by a storm-surge ebb...

1981

Faunal Succession Within Deep-Water Coral Mounds North of Little Bahama Bank: ABSTRACT

Cathryn R. Newton, Henry T. Mullins

AAPG Bulletin

... that bottom currents are vital to the development of these deep-water coral s ructures. End_of_Article - Last_Page 965...

1981

Diagenetic Trends in Siliceous Facies of Monterey Formation, California: ABSTRACT

Kenneth A. Pisciotto

AAPG Bulletin

... corresponds to a prominent bottom-parallel seismic reflector. Time, temperature, and sediment composition affect rates of silica transformations. Oxygen...

1981

Terrestrial Influence and Bioturbation Effects on Composition of Organic Matter in Middle Cretaceous Shale and Limestone Sequence near Pueblo, Colorado: ABSTRACT

Lisa M. Pratt

AAPG Bulletin

... and availability of oxygen in the bottom water. As bioturbation increases, the organic matter remains isotopically constant, but decreases (from about 5...

1981

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