Effect of Artificial Sea Grass on Wave Energy and Nearshore Sand Transport: ABSTRACT

C. J. Wayne

AAPG Bulletin

... of the fronds, increased bottom drag, internal deformation, and refraction. The latter three effects change as a result of the increased bottom slope...

Determination of Depth to Hydrocarbon Maturation Temperature from Magnetic Data, Bligh Water, Fiji: ABSTRACT

M. C. Erskine, Jr., J. Erickson, K. C. Chan

AAPG Bulletin

... by estimating the average depth to the bottom of the magnetized bodies which make up the crust. Using the method of spectral analysis on magnetic data...

Resedimented Conglomerates in Submarine Channel, Miocene Flysch of Northern Appennines, Italy: ABSTRACT

Hugh E. Hendry

AAPG Bulletin

... and commonly planar; tops have abrupt gradations to sandstones. Structures indicating bottom traction of clasts are absent, but imbrication of platy clasts...

Seismic Facies and Depositional Processes of Modern Off-Platform Carbonate Rocks in Northern Bahamas: ABSTRACT

Henry T. Mullins, A. Conrad Neumann

AAPG Bulletin

... with sedimentologic data from 150 bottom samples, and observations from submersibles, have resulted in correlation of reflection patterns with sedimentary facies...

Dispersal of Fine-Grained Sediment in Strongly Stratified Coastal-Boundary Layer: ABSTRACT

Stephen P. Murray, Harry H. Roberts

AAPG Bulletin

... feature, thereby minimizing large-scale exchanges with the shelf water beyond the CBL. Data on both suspended and bottom sediment clearly show...

Coal Resources of Part of Southern Illinois Basin: ABSTRACT

James A. Noel

AAPG Bulletin

... the coals generally consist of, End_Page 503------------------------------ from bottom to top: black carbonaceous fossiliferous shale; gray shale...

Paleoecologic Implications of Foraminiferal Distributional Patterns Off Big Pine Key, Florida: ABSTRACT

Ronald F. Waszczak, Don C. Steinker

AAPG Bulletin

..., and the plant-dwelling biocoenosis in an area may not be reflected accurately by the thanatocoenosis among the associated bottom sediments. Bottom sediments...

Deep-Sea Drilling in Antarctic--Late Tertiary Paleoclimatic History: ABSTRACT

Sherwood W. Wise

AAPG Bulletin

...). Closer t the continent, late Miocene deep-sea sediments are characterized by strong bottom-current winnowing and multiple hiatuses; contained...

Energy Dissipation over Salt Marsh and Its Effect on Estuarine Sediment Transport and Tidal Dynamics: ABSTRACT

Gary A. Zarillo

AAPG Bulletin

... of the estuary. Estimates of the energy-dissipation rate within the estuary proper were obtained from measurements of bottom shear stress recorded...

Paleoenvironmental Analysis of Disconformity and Condensed Bed at Contact of Austin and Taylor Groups (Upper Cretaceous), East-Central and Northeastern Texas: ABSTRACT

David J. Bottjer, W. Anthony Bryant

AAPG Bulletin

.... This constriction may have caused an increase in the velocity of currents through the aperture which, combined with shallowing, increased the energy level of bottom...

Abstract: Comparison of Conventional (100%), Two-Dimensional (2D), and Three-Dimensional (3D) Seismic Data: Case Histories from the Midcontinent, by F. X. Schloeder, III; #90957 (1995).

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Anoxic Environments and Oil Source Beds: ABSTRACT

G. J. Demaison, G. T. Moore

AAPG Bulletin

... lakes. Permanent stratification promotes development of anoxic bottom water, particularly in lakes not subject to seasonal overturn such as Lake...

Nodular Submarine Cementation on Bahamian Slopes--Possible Model for Origin of Some Nodular Limestones: ABSTRACT

Henry T. Mullins, A. C. Neumann, R. J. Wilber

AAPG Bulletin

... of these nodular units involves a complex interplay of physical, biologic, and chemical processes that act concomitantly above the permanent thermocline. Bottom...

Depositional Environmental Analysis of Kaibab and Toroweap Formations in Southwestern Utah: ABSTRACT

R. Larell Nielson

AAPG Bulletin

... consisting of gypsiferous siltstone at the bottom with oolitic fossiliferous limestone near the middle and silty limestone at the top. Its End_Page...

Geometry and Dispersal Patterns of Deep-Sea Fans from Various Tectonic Settings: ABSTRACT

Tor H. Nilsen

AAPG Bulletin

... of bottom currents; (4) the effects of the Coriolis force; (5) the grain-size distribution of the sediment being fed to the fan; (6) the rate of sediment...

Helium Surveying for Deeply Buried Uranium Deposits: ABSTRACT

Louis A. Pogorski, G. Stewart Quirt

AAPG Bulletin

... or bottom sediment samples in reconnaissance, and semi-detailed and detailed arrays under a wide range of environmental conditions. Helium analyses...

Paleoecologic Determination of Bathymetric Position of Organic Buildups--Example from Lower Paleozoic of Appalachians: ABSTRACT

Kenneth R. Walker, S. C. Ruppel, F. C. Breland

AAPG Bulletin

... of suspended organic detritus in bottom waters (a resource derived from shelf areas), and the height above the sediment of suspended food. In shallow...

Model for Uranium, Humate, and Silica Fixation in Lacustrine Carbonaceous Sediments at Anderson Mine, Western Arizona: ABSTRACT

James K. Otton

AAPG Bulletin

... facies and transported to the anoxic lake-bottom environment where reducing conditions, low permeability, and porosity prevailed. In the anoxic environment...

Models for Formation of Organic-Rich Diatomaceous Laminae in Miocene Monterey Formation: Documentation from Analogous Recent Sediments in Gulf of California: ABSTRACT

John Armentrout, Hans Schrader

AAPG Bulletin

... levels of primary productivity in surface waters which in turn controls oxygen consumption. Oxygenated bottom water underlies low primary productivity...

Geochemistry of a Marine Gas Hydrate Associated with a Bottom Simulating Reflector: ABSTRACT

Leo A. Barnard, Keith A. Kvenvolden, Denis A. Wiesenburg

AAPG Bulletin

...Geochemistry of a Marine Gas Hydrate Associated with a Bottom Simulating Reflector: ABSTRACT Leo A. Barnard, Keith A. Kvenvolden, Denis A. Wiesenburg...

Geochemistry of Mississippian and Devonian Oil Shales of Northeastern Kentucky: ABSTRACT

Alan E. Bland, Thomas L. Robl, David W. Koppenaal

AAPG Bulletin

... to bottom) into the Cleveland Member, the Three Lick Bed, and the Huron Member. The chemical analyses include C, H, N, S, major element oxide...

Deep-Sea Oxygen Isotope Record and Sea Level Fluctuations: ABSTRACT

Robert Douglas, Samuel Savin

AAPG Bulletin

... bottom waters (10 to 15°C). In this regime, sea level fluctuations controlled climate. The cause of the sea level fluctuations is unclear. After...

Interstitial Water Chemistry of DSDP Holes on Guatemala Transect (Leg 67) Related to Occurrence of Methane Clathrates (Gas Hydrates): ABSTRACT

Reinhard Hesse, W. E. Harrison

AAPG Bulletin

... decrease in interstitial water chlorinity, which drops below half the chlorinity of seawater at the bottom of the holes (near 400 m subbottom...

Waulsortian Mounds and Lithoherms Compared: ABSTRACT

A. Conrad Neumann

AAPG Bulletin

... in the presence of moderate bottom currents. A zoned coral-octacoral-crinoid community appears to build into the current as concomitant cementation provides...

Shelf-Break Circulation, Fronts, and Physical Oceanography: East and West Coast Perspectives: ABSTRACT

Leonard J. Pietrafesa

AAPG Bulletin

... in providing physical mechanisms for sediment movement. The interplay of bottom topography with the physics of the outer continental margin is presented...