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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

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Upper Cretaceous and Tertiary Stratigraphy of Guatemala: COMMENT

G. L. Vinson

AAPG Bulletin

... megafossils, whereas the Permian is fairly rich in both megafossils and microfossils, particularly brachiopods, crinoid stems, and fusulinids. Nor...

1963

Early Tertiary Foraminifera from Jasper Ridge, San Mateo County, California: ABSTRACT

Joseph J. Graham

AAPG Bulletin

... an extraordinary assemblage of plant and animal microfossils that date the stratum as the oldest marine Tertiary unit thus far recognized...

1967

Late Paleogene-Neogene Planktonic Biostratigraphy and Its Geologic Implications, California: ABSTRACT

Orville L. Bandy

AAPG Bulletin

...) Planktonic microfossils indicate that at least in some typical sections, the Narizian Stage (Kreyenhagen Shale) is middle Eocene, spanning part...

1973

Sedimentation and Tectonics in Early Tertiary Continental Borderland of Central California: ABSTRACT

Tor H. Nilsen, Samuel H. Clarke

AAPG Bulletin

... and on the sea floor on the east and west. Microfossils indicate deposition in basins of bathyal to abyssal depths and unrestricted access to the ocean...

1973

Eocene-Oligocene Boundary Problems, West Coast, North America: ABSTRACT

John M. Armentrout

AAPG Bulletin

... recently been completed. The stage boundaries have been correlated to the international geologic time scale using planktonic microfossils. Rigorous...

1983

Abstract: The

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