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The AAPG/Datapages Combined Publications Database

Showing 3,877 Results. Searched 200,357 documents.

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Lower Cretaceous Carbonate Shelf in Southeastern Arizona and Northeastern Sonora, Mexico: ABSTRACT

E. Robert Warzeski

AAPG Bulletin

...------------------------------ larger isolated reefs give way southward to reef banks 5 to 8 km across, surrounded by mudstones and wackestones containing pelagic microfossils...

1979

Petroleum Potential of Eastern Gulf of Alaska Shelf Based on Dredge Samples from Adjacent Continental Slope: ABSTRACT

George Plafker, G. R. Winkler, P. R. Carlson, T. R. Bruns, George Claypool

AAPG Bulletin

... concretionary or laminated siltstones. They locally contain extremely abundant microfossils, large fish scales, and carbonized plant fragments. Associated...

1979

Tertiary and Cretaceous Ocean Temperatures: ABSTRACT

Samuel M. Savin, Robert G. Douglas

AAPG Bulletin

... studies of marine microfossils, primarily from DSDP cores at several laboratories, have in the past few years yielded a great deal of information about...

1979

Radiolarian Ratios and Pleistocene-Holocene Boundary: ABSTRACT

Kenneth J. McMillen

AAPG Bulletin

... the continental margin off the west coast of Guatemala. Cores from the outer slope and lower inner slope contain practically no calcareous microfossils...

1979

Foraminifera of Sangamon(?) Estuary, Central San Francisco Bay: ABSTRACT

Doris Sloan

AAPG Bulletin

... in a Sangamon(?) estuary are found in boreholes drilled for the proposed Southern Crossing of central San Francisco Bay. Microfossils and plant fragments...

1980

Conodonts--Models of Pragmatic Paleontology: ABSTRACT

Anita G. Harris, Bruce R. Wardlaw

AAPG Bulletin

..., and distribution of conodonts make them unique and invaluable geologic tools. These marine apatitic microfossils that evolved and spread rapidly...

1980

Biostratigraphic Problems Generated by Deep Sea Coring--Biosystematic Analysis, Evolutionary Species, and Non-Validity of Lineage Zones: ABSTRACT

S. D. Schafersman

AAPG Bulletin

... cores have encouraged biostratigraphers to interpret lineages of oceanic microfossils from a viewpoint of gradual phyletic evolution. A few taxa do...

1980

Calpionellids and Nannoconids of Taraises Formation (Early Cretaceous), Santa Rosa Canyon, Sierra de Santa Rosa, Nuevo Leon, Mexico: ABSTRACT

W. H. Blauser, C. L. McNulty

AAPG Bulletin

... of Valanginian age. Other megafossils are rare throughout the formation. Microfossils are common to abundant in about one third of the samples collected...

1980

Channels and Chimeras: Coastal vs. Fluvial Deposition of Mannville Group, Lloydminster Area, Saskatchewan: ABSTRACT

J. A. Lorsong

AAPG Bulletin

... structures, essentially tabular geometries of sand bodies, and microfossils in the Mannville Group clearly demonstrate deposition in a coastal, rather...

1982

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

Sedimentology of a Middle Tertiary Paludal Deposit, Northern San Joaquin Valley, California: ABSTRACT

Alan J. Bartow

AAPG Bulletin

... of abundant freshwater microfossils (megaspores, chrysomonad cysts, diatoms, sponge spicules), together with only limited evidence of authigenesis...

1982

Diagenetic Changes to Microfossils: Experimental Study: ABSTRACT

Mervin Kontrovitz, Rene A. De Hon

AAPG Bulletin

...Diagenetic Changes to Microfossils: Experimental Study: ABSTRACT Mervin Kontrovitz, Rene A. De Hon 1983 1466 1466 67 9. (September) An understanding...

1983

Age and Correlation of the Otuk Formation, North-Central Brooks Range, Alaska: ABSTRACT

Dirk A. Bodnar, C. G. Mull

AAPG Bulletin

... and ammonites) and microfossils (radiolaria, conodonts, and foraminifers) indicate an age range of Early Triassic (Dienerian-Smithian or older) to Middle...

1985

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