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The AAPG/Datapages Combined Publications Database

Showing 26,341 Results. Searched 200,599 documents.

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Recent Sedimentation on Southern Bering Shelf: ABSTRACT

Ghanshyam D. Sharma

AAPG Bulletin

..., tidal, and wind-driven currents on sediments are also apparent. Long waves generated by frequent storms roil shelf sediments with a net seaward...

1970

Biostratigraphy of Nonmarine Tertiary of Northern Pacific Basin: ABSTRACT

J. A. Wolfe

AAPG Bulletin

... of Tertiary nonmarine deposition are apparent in Alaska. The first--of Paleocene age--is recognized in most areas of Alaska. The interval from the Eocene...

1970

Time-Transgressive Aspects of Some Critical Planktonic Species: ABSTRACT

Orville L. Bandy

AAPG Bulletin

... the primitive forms continued into the Holocene in temperate areas. Thus, there is an apparent extinction datum plane of the primitive form near the end...

1971

Geology and Development of Hewett Gas Field, United Kingdom North Sea Area: ABSTRACT

A. D. Cumming, Charles L. Wyndham

AAPG Bulletin

... is apparent on seismic profiles and at both Bunter levels a fault-bounded, NW-SE-trending anticline is present. The gas in the lower Bunter differs from...

1971

Pennsylvanian-Permian Miogeosyncline to Nearshore Shelf Carbonate Facies Transition, Clark County, Nevada: ABSTRACT

David N. Lumsden, Michael T. Ledbetter

AAPG Bulletin

... quartz sandstone units (zero AC, 41.7% FM, 51.1% AR) in which the size of the fine (< 0.1 mm maximum apparent diameter in thin section) angular...

1971

Geologic Applications of Remote Sensing: ABSTRACT

Floyd F. Sabins

AAPG Bulletin

... satellites provide broad regional coverage that may reveal major geologic trends and features not apparent on conventional photography. Airborne...

1971

Reevaluation of Unconformity Criteria in Carbonate Successions: ABSTRACT

Peter R. Rose

AAPG Bulletin

..." is not satisfactory as a definitive criterion because an apparent hiatus in fact may be only a function of unrecognized lithofacies or biofacies...

1971

Zoogeographic Provinces of Holocene Planktonic Foraminiferida: ABSTRACT

A. W. H. BE

AAPG Bulletin

... currents. Apparent species compositions and distribution patterns can be modified artificially by the mesh sizes of plankton net samplers. End...

1972

Shallow Sand Bars and Nearshore Processes: ABSTRACT

R. A. Davis, Jr., W. T. Fox

AAPG Bulletin

... are formed as sediment accumulates in the relatively low-energy areas between rip channels. As a result there is apparent migration of the bar form. (3...

1972

Patterns of Coastal Sedimentation: Carbonate Muds of Florida Bay: ABSTRACT

S. D. Kerr, Jr.

AAPG Bulletin

... of the bay is characterized by narrower banks, in many places exposed subaerially as islands. Spitlike accretion is apparent from growth lines on islands...

1972

Foraminiferal Paleontology of Upper Miocene in Ocean City Area, Grays Harbor County, Washington: ABSTRACT

F. W. Bergen, K. J. Bird

AAPG Bulletin

... Formation outcrop area. In the Ocean City area the Montesano lies with apparent unconformity on older sediments and volcanic rocks ranging in age from...

1973

Use of Phosphates in Search for Oil: ABSTRACT

Paul Dickerts

AAPG Bulletin

... faults, and (4) have shown that formations of the same apparent lithology and foraminiferal age, juxtaposed across major faults, are not continuous...

1973

Discovery and Development of Sawtelle Oil Field: ABSTRACT

S. Eschner, M. K. Scribner

AAPG Bulletin

... disordered by approximately 7,000 ft of apparent vertical displacement along the northerly trending Santa Monica thrust fault zone. The mountainous hanging...

1973

Subtle Surface Mapping--Kelsh Plotter Techniques: ABSTRACT

Donald W. Anderson

AAPG Bulletin

... to evaluate larger geologic provinces, many previously undiscovered subtle nosings, faulted noses, and independent surface closures become apparent. Cross...

1973

Biogeographic Significance of Early Cretaceous Foraminifera from Budden Canyon Formation, Northwestern Sacramento Valley, California: ABSTRACT

Donald H. Dailey

AAPG Bulletin

... brackish-water and quiet shallow-marine assemblages f the western interior is apparent. Regional correlations demonstrate that, during the late Early...

1973

Paleontologic Evidence for Mid-Miocene Refrigeration, from Subsurface Marine Shale, Louisiana Gulf Coast: ABSTRACT

Dorothy Jung Echols, Doris Malkin Curtis

AAPG Bulletin

..., outer neritic to bathyal environment, and suggest a cool water mass. The apparent anomaly of a cold-water fauna in this stratigraphic position...

1973

Foraminiferal and Nannoplankton Biostratigraphy, Paleoecology, and Basinal Reconstruction, Anita Formation, Western Santa Ynez Mountains, California: ABSTRACT

James M. Gibson

AAPG Bulletin

... of the benthonic provincial stages is apparent; the stages become geologically younger toward the basin margins as well as stratigraphically higher. Furthermore...

1973

Coastal Zone--Search For Options: ABSTRACT

Ronald L. Kolpack

AAPG Bulletin

... have been presented in which evidence was cited for environmental degradation or an apparent increase in the level of contaminants in the water realm...

1973

Stratigraphy and Sedimentation of Deep-Sea Oceanic Formation on Barbados, West Indies: ABSTRACT

George P. Lohmann

AAPG Bulletin

... oozes and attributed to climatic periodicities. No evidence for progressive shallowing of the Barbados Ridge is apparent until after deposition...

1973

Wide-Line Profiling: ABSTRACT

Dominique Michon, Paul Tariel

AAPG Bulletin

... was provided in tectonically complex areas. In other cases, an apparent unconformity resulted from 2 lateral events of opposite dips, a reflection...

1973

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