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The AAPG/Datapages Combined Publications Database

Showing 18,424 Results. Searched 200,357 documents.

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Petrography and Origin of Cretaceous Limestones, Sierra de Picachos and Vicinity, Nuevo Leon, Mexico

B. A. Bishop

Journal of Sedimentary Research (SEPM)

... differs mainly in the types of contained allochems. The allochems consist principally of pelagic microfossils: calcispheres, foraminifers, tintinnids...

1972

Structurally Aligned, Sediment-Starved Fluvial Valleys Encased in Marine Deposits: Sequence Boundaries Between the Carlile Shale and Niobrara Formation, Central Powder River Basin, U.S.A.

D.K. Larue

AAPG Special Volumes

... and calcareous shales based on mud-logging reports and interpretation of geophysical logs. The intermediate unit was observed in outcrop in one or two...

1995

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

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: USE OF ORBITAL CYCLICITY AS A HIGH-RESOLUTION DATING AND CORRELATION TOOL IN THE MONTEREY AND SISQUOC FORMATIONS OF THE SANTA MARIA BASIN AND OFFSHORE EQUIVALENTS, CENTRAL CALIFORNIA MARGIN; #90014 (2003)

Hill, Pamela S., Richard J. Behl

Search and Discovery.com

... sediments are difficult to date because they were deposited in only a few diatom zones and contain relatively few calcareous microfossils...

Unknown

ABSTRACT: The Lower Barnett Shale in the T.U. Blakely No.1 and Mitchell T.P. Sims No. 2 Well, Wise County, Texas: A Moderately Mature, Source Rock; #90111 (2010)

Karl W. Schwab, Geoffrey S. Bayliss, Michael A. Smith, Gordon, D. Wood, and Nelson, B. Yoder

Search and Discovery.com

..., etc.) are very rare throughout the entire stratigraphic sequence. Fragments of corals, bryozoans, sponges, arenaceous and calcareous foraminiferal tests...

2008

ABSTRACT: Phytoecological Reconstructions of Eocene-Pliocene Sediments, Niger Delta; #90115 (2010)

Onema C. Adojoh and Peter L. Osterloff

Search and Discovery.com

... of microfossils through time, linked to changes in eustacy, climate, orography, edaphic conditions, salinity and depositional settings. This paper studies...

2010

Luisian and Mohnian Biostratigraphy of the Monterey Shale at Newport Lagoon, Orange County, California

A. D. Warren

Pacific Section of AAPG

... feet. Except for the basal 200 feet which appear to be totally barren, the section is very rich in microfossils including calcareous nannoplankton...

1973

FORAMINIFERA FROM THE COLORADO GROUP IN WEST-CENTRAL MONTANA

C. P. STRONG, JR.

Montana Geological Society

.... Assoc. Petroleum Geologists Bull., v. 53, p. 1075-1090. Kent, Harry C, 1967, Microfossils from the Niobrara...

1972

Stratigraphy and Depositional Environments of the Mancos Shale (Cretaceous), Black Mesa, Arizona

George C. Hazenbush

Four Corners Geological Society

... sections of the Upper Cretaceous Mancos Shale of Black Mesa, Arizona, have been measured and sampled at close intervals, and the contained microfossils used...

1973

Union Oil Company of California’s Stratigraphic Trenches Along Reef Ridge, Kings County, California

E. H. Stinemeyer

Pacific Section of AAPG

..., the lithology described and fossils noted. The samples from the Big Tar vicinity trench (SE Sec. 17, T23S, R17E) had been examined for microfossils...

1972

Abstract: Shoreline Depositional Environments of the Glen Rose Formation (Lower Cretaceous) in the Type Area, Somervell and Hood Counties, Texas

Gail R. Bergan

GCAGS Transactions

... identified, including the calcareous sandstone, calcareous shale, bivalve shale, oyster shale, transitional terrigenous-carbonate, dolomite, bioclastic...

1988

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