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The AAPG/Datapages Combined Publications Database

Showing 4,216 Results. Searched 200,639 documents.

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Ascending

Foundering of Continents and its Relation to Isostasy, Crustal Thinning and Mantle Density Changes: ABSTRACT

K. Jinghwa Hsu

AAPG Bulletin

... of surficial sialic material by supracrustal processes, such as erosion, gravity sliding, and overthrusting from elevated regions which owed...

1965

Postmortem History of a Permian Pelecypod Assemblage from Wyoming: ABSTRACT

Donald W. Boyd, Norman D. Newell

AAPG Bulletin

.... These surficial and shallow-burrowing pelecypods commonly are broken and randomly scattered through about 6 in. of calcarenite. Circumstantial evidence...

1969

Surficial Alteration of Pleistocene(?) Limestone Adjacent to Saline Lakes, Isla Mujeres, Quintana Roo, Mexico: ABSTRACT

William C. Ward, Robert L. Folk, James Lee Wilson

AAPG Bulletin

...Surficial Alteration of Pleistocene(?) Limestone Adjacent to Saline Lakes, Isla Mujeres, Quintana Roo, Mexico: ABSTRACT William C. Ward, Robert L...

1969

Similarities Between Dental Microstructures of Scutellid Echinoids and Primitive Vertebrates: ABSTRACT

Patricia C. Adshead

AAPG Bulletin

... between the plates, forming most of the keel. At mid-tooth, "cementum" encloses the "dentin" and plates, producing a thin surficial zone...

1970

Provenance Model Studies: Piedmont Rivers to Atlantic Deep-Sea Floor: ABSTRACT

W. J. Cleary, J. R. Conolly

AAPG Bulletin

... and granitic rock fragments on the shelf between Cape Hatteras and Cape Romain suggest that these surficial sands are the result of reworking of older...

1970

Gum Hollow Delta, Nueces Bay, Texas: Depositional Model for Fan Deltas: ABSTRACT

J. H. McGowen

AAPG Bulletin

... be compared. Recognizable facies of the modern fan delta are (1) the fanplain which extends from the apex downfan to a point where surficial features...

1970

Sediment Distribution in Southwestern Indian Ocean: ABSTRACT

Edith Vincent

AAPG Bulletin

... are dispersed from northwest to southeast. Surficial turbidite layers did not reach the southern part of the basin floor, which is covered by pelagic clay...

1973

Cenozoic Clay-Mineral Stratigraphy in South Philippine Sea, DSDP Legs 59 and 60: ABSTRACT

Katherine M. Balshaw

AAPG Bulletin

... data. At site 447A, on the western flank of the Palau-Kyushu Ridge, the drill penetrated an undated surficial clay zone into underlying early...

1979

Melamocyrillium--New Acritarch Genus from Kwagunt Formation (Late Precambrian), Chuar Group, Grand Canyon Supergroup, Arizona: ABSTRACT

Bonnie Bloeser

AAPG Bulletin

...). Furrows, basal scars, and evidence of surficial processes are lacking; chain and colonial forms are absent. The wall is dense, thick (5 to 7 µm...

1979

Pyritization in Shells of Living Bivalves: ABSTRACT

George R. Clark, Richard A. Lutz

AAPG Bulletin

...-yellow material on part of the outer surface of their shells. On some individuals this may occur as a surficial coating, for a portion flaked off one...

1979

Ancestral Delta Lobe of Santee River Near Charleston, South Carolina: ABSTRACT

Lucy M. Force

AAPG Bulletin

... are tentatively believed to be equivalent in age to the Waccamaw Formation (late Pliocene and early Pleistocene) of northern South Carolina. Surficial heavy...

1979

Radiolarian Preservation in Present and Past Oceans: ABSTRACT

Florence R. Kunze, Joan Mussler Spaw, Richard A. Reynolds, Steven D. Schaffersman, Richard E. Casey, Kenneth J. McMillen

AAPG Bulletin

... pellets containing radiolarians--plankton tows for those in the water column, and gravity cores and box cores for recovery from surficial sediments. Deep...

1979

Land Development and Faulting Near Houston, Texas: ABSTRACT

Dewitt C. Van Siclen

AAPG Bulletin

... are useful guides in determining locations for boreholes for maximum efficiency. The subsurface information enhances the accuracy of the surficial...

1979

Map Display Formats for Environmental Geologic and Related Data: ABSTRACT

William A. White, Thomas C. Gustavson, J. H. McGowen, Robert A. Morton

AAPG Bulletin

... visitors. 2. Sediment Distribution, Bathymetry, Faults, and Salt Diapirs: Submerged Lands of Texas, Galveston-Houston Sheet, which displays surficial...

1979

Radiolarian Distribution, Diversity, and Density in Water Column and Holocene Sediments of Gulf of Mexico and Adjacent Waters: ABSTRACT

Richard Casey, Joan Mussler Spaw, Florence Kunze, Richard Reynolds, Theo Duis, Ken McMillen

AAPG Bulletin

... record for radiolarians in gulf sediments is characterized by sparse occurrences in surficial Holocene sediments, absence from subsurface Holocene to mid...

1979

Suitability Studies of Salt Domes in East Texas Basin for Geologic Isolation of Nuclear Wastes: ABSTRACT

Charles W. Kreitler

AAPG Bulletin

... the geologic history of the dome growth and basin infilling; and (3) to evaluate potential natural resources. Geomorphic and surficial geology studies...

1979

Resin Rods and Woody Rod-Like Structures in Pennsylvanian Coal Beds of Appalachian and Illinois Basins: ABSTRACT

Paul C. Lyons, Robert B. Finkelman, Orrin G. Oftendahl

AAPG Bulletin

... separated from woody tissue during a period of oxidation of surficial plant matter or peat. Cordaites (a gymnosperm) and tree ferns, which are commonly...

1980

Overview of Geology as Related to Environmental Concerns in New Mexico: ABSTRACT

John W. Hawley

AAPG Bulletin

... of environmental geology should be effective communication with nongeologists. Available information on deep-seated and surficial geologic processes and products...

1981

Geology and Uranium Deposits Along Northeastern Margin of McDermitt Caldera Complex, Southern Malheur County, Oregon: ABSTRACT

Andy B. Wallace, Michael W. Roper

AAPG Bulletin

... surficial hot springs active during mineralization. End_of_Article - Last_Page 771...

1981

Experimental Leaching of Volcanic Glass: ABSTRACT

Robert A. Zielinski

AAPG Bulletin

... and K were leached in greater percentages than Si and U, reflecting additional diffusional transport of these elements across a proposed surficial...

1981

Sidescan Sonar Depiction of Slump Features Associated with Diapirism on Continental Slope Off Southeastern United States: ABSTRACT

K. V. Cashman, P. Popenoe, D. Chayes

AAPG Bulletin

..., when withdrawal of salt at depth led to local oversteepening of the slope surface and consequent failure by slumping and surficial slides. End...

1981

Field Study of Subaqueous Avalanching: ABSTRACT

John R. Dingler, Roberto J. Anima

AAPG Bulletin

..., deposition of fine material from suspension becomes important and coarse material is no longer found in surficial samples. End_of_Article - Last...

1981

Subaerial Exposure Surfaces: Variations on a Theme: ABSTRACT

Rand S. Harrison

AAPG Bulletin

... to subaerial exposure and surficial alteration relatively early in their history through real or relative changes in sea level. The resultant diagenetic...

1981

Facies Characteristics of Modern Size-Graded Shelf Deposits, Northwestern Gulf of Mexico: ABSTRACT

Gary W. Hill

AAPG Bulletin

... decrease in grain size of modern surficial sediments with increasing water depth across the continental shelf off south-central Texas suggests...

1981

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