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The AAPG/Datapages Combined Publications Database

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

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Mid-Cretaceous Calcareous Nannoplankton Paleobiogeography and Paleo-oceanography of Atlantic Ocean: ABSTRACT

J. L. Bowdler, P. H. Roth

AAPG Bulletin

..., (2) aggressiveness of bottom water and associated position of the calcite compensation depth (CCD), and (3) diagenesis. Paleobiogeographic patterns...

1979

Miocene Submarine Fans in Deep Western Gulf of Mexico as Interpreted from Seismic Reflection Profiles: ABSTRACT

Richard T. Buffler, Kenneth J. McMillen

AAPG Bulletin

... 90 recovered upper Miocene laminated, silty mud at the top and bottom of one of the prograding sequences, suggesting that any sand in the system must...

1979

"Sticky" Muds--Viscosity of Estuarine Sediments: ABSTRACT

Richard W. Faas

AAPG Bulletin

... been observed as occurring off the bottom, just after slack water in intermediate-salinity reaches in the Rappahannock. End_of_Article - Last_Page 448...

1979

Nature and Field Application of Plumose Structures: ABSTRACT

Byron R. Kulander, Stuart L. Dean, Christopher C. Barton

AAPG Bulletin

... and lightest propagation velocities. Plume asymmetry indicates intrastratum fracturing stress distributions. Axes consistently at the top or bottom of each...

1979

Possible Biogenic Origin for Some Sedimentary Dolomite: ABSTRACT

Charles F. Mansfield

AAPG Bulletin

... species as well as by certain plants. Urease-producing bacteria have been found in the world's oceans and in bottom sediments. Although other...

1979

Contourite Anticlines as Exploration Objectives: ABSTRACT

D. P. McGookey

AAPG Bulletin

..., contourite anticlines have been found in sections of Paleocene to recent age. They are the result of erosion, transport, and deposition by bottom currents...

1979

Copper Porphyrins in Deep-Sea Sediments: ABSTRACT

Susan E. Palmer

AAPG Bulletin

... is either slowly accumulated, deposited from oxygenated bottom waters, or oxidized before deposition. Such areas include the Cretaceous sediments...

1979

Depositional Sequence in Subarctic Sandy Beach Face, Central Labrador: ABSTRACT

Gerald E. Reinson, Peter S. Rosen

AAPG Bulletin

... of well-mixed sand and gravel near the bottom and medium-grained laminated sand at the top. It is disconformably overlain by unit 2 (20 cm thick) which...

1979

Stable Carbon Isotopes as Paleoclimatological Tool: ABSTRACT

William M. Sackett

AAPG Bulletin

... -22 parts per thousand at the top to -28 parts per thousand at the bottom. Several systematic excursions to about -18 parts per thousand occur...

1979

Rhythms in Deep-Marine Turbiditic Shales and Fine-Grained Debris Flow: ABSTRACT

Ganapathy Shanmugam

AAPG Bulletin

... by depositional processes, bottom topography, and sediment source. In the fourth-order rhythms, depositional processes, sediment source, and bioturbation...

1979

Compaction Effects in Fusulinid Limestone: ABSTRACT

Richard Smosna

AAPG Bulletin

... in inner whorls. In places, the outer whorl was completely closed, the shell being flattened on top and bottom. In other specimens, chomata (internal...

1979

Oceans and Climate During Cenozoic: ABSTRACT

Jorn Thiede

AAPG Bulletin

... oceans because of the initiation of a vigorous polar bottom-water formation and because of the generation of steep zonal hydrographic gradients...

1979

Paleoenvironments of Middle Devonian Sandstones of Upper Mississippi Valley: ABSTRACT

J. Stephen Tissue, Ralph L. Langenheim, Jr.

AAPG Bulletin

... corals that settled during periods of temporary bottom stability and slow sedimentation. Unidirectional, planar cross-bedding dominates part...

1979

Effect of Biogenic Methane on Sediment Instability in Modern Delta Sediments: ABSTRACT

Thomas Whelan, III

AAPG Bulletin

..., especially in regions of rapid sediment deposition, and should be considered when implantin bottom-mounted structures. End_of_Article - Last_Page 551...

1979

Deep-Sea Deposition in Density-Stratified Cratonic Basin, Bell Canyon Formation (Permian), Delaware Basin, Texas-New Mexico: ABSTRACT

Charles R. Williamson

AAPG Bulletin

.... Laminated silt formed by suspension deposition from density interflows which moved along thermohaline interfaces; silty sand was deposited by bottom-hugging...

1979

Mount Taylor Uranium Deposit, San Mateo, New Mexico: ABSTRACT

Walter C. Riese, Douglas G. Brookins

AAPG Bulletin

... interface nor is it very pyritiferous. It does have concentrations of calcite along its downdip and bottom edges. Montmorillonite, chlorite...

1979

Deposition and Diagenesis of Organic Matter and Calcium Carbonate in Modern North Temperate Lakes: ABSTRACT

Walter E. Dean

AAPG Bulletin

... organic matter is protected from oxidation by permanently anoxic bottom waters. Low-magnesian calcite is the most common carbonate mineral in those lakes...

1979

Relations Between Sedimentary Facies and Diagenesis in Frenchman Formation (Maestrichtian) of Southern Saskatchewan: ABSTRACT

H. E. Hendry, G. N. Sutherland, S. J. C. Wing

AAPG Bulletin

... bottom to top of each sequence: large-scale trough cross-bedding in medium to coarse-grained silty sand; trough cross-bedding with individual sets...

1979

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