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The AAPG/Datapages Combined Publications Database

Showing 5,259 Results. Searched 196,121 documents.

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Lithostratigraphy and Biostratigraphy of Upper Eocene and Lower Oligocene Strata in Southwest Alabama and Southeast Mississippi: ABSTRACT

Laura A. Waters, Ernest A. Mancini

AAPG Bulletin

... of geologic ages. The stratigraphic position of the Eocene-Oligocene boundary, as determined by macrofossils and benthic microfossils, is different from...

1982

Neogene Lacustrine Diatom Biostratigraphy of Western Snake River Basin, Idaho and Oregon: ABSTRACT

William N. Krebs, J. Platt Bradbury

AAPG Bulletin

... and Stephanodiscus. Benthic and epiphytic diatoms are most common in the upper Glenns Ferry Formation. The lower to middle Pleistocene (Irvingtonian) Bruneau...

1982

Miocene Geologic History of Southern Salinian Block, California--Perspectives from a Stratigraphic Study of Monterey Formation: ABSTRACT

Martin B. Lagoe

AAPG Bulletin

... to Mohnian. Paleobathymetric maps, based on the distribution of benthic Foraminifera, are plotted on four time slices: late Saucesian, Relizian, Luisian...

1982

Point Arena Coccolith Correlations with Mid-Tertiary California Stage Stratotypes: ABSTRACT

Peter L. Miller

AAPG Bulletin

... for these rocks in the Point Arena area of northern California. Time-transgressive "pseudo-Saucesian" benthic foraminiferal assemblages show little change...

1982

Late Miocene Activity on San Gabriel Fault as Indicated by Paleoenvironment of Castaic Formation: ABSTRACT

Robert J. Stanton

AAPG Bulletin

... in this silled basin consists of diatoms, radiolaria, normal planktonic forams, and dwarfed and defo med benthic forams. The southern part of the Castaic...

1982

Characteristics of Mississippi Fan Sediments, DSDP Leg 96: ABSTRACT

A. H. Bouma, J. M. Coleman

AAPG Bulletin

... of the sparse microfauna in both sands and muds are benthic species characteristic of inner and middle neritic origin. Traces of biogenic methane and other...

1984

Stratigraphy, Depositional Rates, and Other DSDP Leg 96 Conclusions: Mississippi Fan: ABSTRACT

J. M. Coleman, A. H. Bouma

AAPG Bulletin

... of shallow-water benthic species indicates a displaced inner and middle neritic origin for the sediments. Drilling on the youngest fan lobe shows that most...

1984

Upward-Shoaling Origin of an Eastern Gulf Coast Barrier Island: ABSTRACT

Douglas E. Crowe, Richard A. Davis, Jr.

AAPG Bulletin

... prior to emergence of the shoal or reworking and addition of mud as pellets by benthic organisms. End_of_Article - Last_Page 467...

1984

Relationship of Morphologic Variation and Environment in Recent Bolivina (Foraminiferida) from Northwestern Gulf of Mexico: ABSTRACT

Anthony C. Gary, Nancy Healy-Williams

AAPG Bulletin

..., Nancy Healy-Williams 1984 479 479 68 4. (April) This study investigates intraspecific morphological variation trends of recent benthic foraminifera...

1984

Foraminiferal Biostratigraphy and Paleoenvironments of Eastover Formation (Late Miocene), Virginia: ABSTRACT

Joann H. Goshorn

AAPG Bulletin

... are used to establish a biochronology of the Eastover, while benthic species are used to interpret paleoecology, using the distribution of modern...

1984

Morphostratigraphy of Foraminifera Via Automated Image Analysis: ABSTRACT

N. Healy-Williams, L. Robbins, R. Ehrlich

AAPG Bulletin

... specimens of 15 species of planktonic and benthic foraminifera from Holocene and Pleistocene sedimentary environments. The results clearly indicate...

1984

Ostracodes as Indicators of Low-Energy Versus High-Energy Marine Carbonates, Northeastern Yucatan Shelf, Mexico: ABSTRACT

Paul R. Krutak, Raul Gio-Argaez

AAPG Bulletin

... Punta Cancun and Cancun, contains fine-grained, low-energy, magnesium-calcite rich mud. Five widely spaced quantitative (total = live + dead) benthic...

1984

High Precision Absolute Age Determinations Within the Plio-Pleistocene in Gulf of Mexico: ABSTRACT

Douglas F. Williams, Richard H. Fillon

AAPG Bulletin

... placed piston cores and DSDP sites. Both benthic and planktonic foraminiferal shell carbonate should be suitable for these age determinations. A similar...

1984

Shelf Sedimentation Above Storm Wave Base in Upper Ordovician Reedsville Formation in Central Pennsylvania: ABSTRACT

John A. Conrad

AAPG Bulletin

... sublittoral benthic fauna. Hummocky cross-stratified beds are common, and in many places are associated with wave-rippled sandstones. A shallow open-shelf...

1984

Relationship Between Morphological Variation and Environment in Holocene North Atlantic Benthic Foraminifera: ABSTRACT

Tracie L. Aycox, James M. Parks

AAPG Bulletin

...Relationship Between Morphological Variation and Environment in Holocene North Atlantic Benthic Foraminifera: ABSTRACT Tracie L. Aycox, James M...

1985

Offbank Transport of Carbonate Sands in Northern Straits of Florida--a Function of Sea Level: ABSTRACT

Gregg R. Brooks, Charles W. Holmes

AAPG Bulletin

... fraction, dominated by coralline algae, mollusks, and benthic foraminifera, is typical of sediments found on the adjacent shelf. The fine fraction...

1985

Morphologic Information on Cretaceous Nannofossils from Niobrara Formation: ABSTRACT

J. Mitchener Covington

AAPG Bulletin

... illustrated from the fossil record, is also documented in this study. The stagnant, anoxic benthic environment prevalent during these intervals...

1985

Diagenesis and Sea Level Change in a Pleistocene Coral Reef, San Salvador, Bahamas: ABSTRACT

Brian White, Karen A. Kurkjy, H. Allen Curran

AAPG Bulletin

... of the following: Halimeda plates, benthic foraminifera, Favreina (Callianassid fecal pellets), gastropods, and corals. Marine aragonite cement also...

1985

Integrated Geochemical and Paleoecological Approach to Petroleum Source Rock Evaluation, Cretaceous Niobrara Formation, Lyons, Colorado: ABSTRACT

L. K. Barlow, L. M. Pratt

AAPG Bulletin

... and oxgenation of the bottom waters, resulting in limited benthic activity and enhanced preservation of organic matter. End_of_Article - Last_Page 842...

1985

Models for Hydrocarbon Accumulation and Maturation in Deep Dysaerobic Basins: ABSTRACT

Charles A. Sandberg, Raymond C. Gutschick

AAPG Bulletin

..., radiolarians, and agglutinate foraminiferans. Also present are fewer large planktonic, epiplanktonic nektonic, and benthic animals, and floating marine...

1985

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