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The AAPG/Datapages Combined Publications Database

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

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Ascending

Rosedale Channel--Evidence for Late Miocene Submarine Erosion in Great Valley of California: ABSTRACT

Bruce D. Martin

AAPG Bulletin

... for recognition. Microfossils show that filling occurred entirely in the marine environment in a depth of water probably greater than 1,300 feet. Uvigerina...

1963

Upper Cretaceous Planktonic Foraminifera from Yolo and Colusa Counties, California: ABSTRACT

Robert Douglas

AAPG Bulletin

..., Rugoglobigerina, Hedbergella, and Schackoina are present. The pelagic microfossils appear to correlate with the microfaunas from the Turonian...

1965

Neogene Planktonic Events and Radiometric Scale, California: ABSTRACT

Orville L. Bandy, James C. Ingle, Jr.

AAPG Bulletin

... seven significant events are recorded by planktonic microfossils of the Neogene for the eastern Pacific and the Pacific Coast of North America, correlated...

1967

Paleocurrent Patterns in Upper Cretaceous Beds of Marsh Creek Formation of Northern Diablo Range, California: ABSTRACT

Ivan P. Colburn

AAPG Bulletin

... mainly on microfossils, but a few ammonites and other diagnostic Upper Cretaceous megafossils also were found. A change in thickness of the sequence from...

1968

Palynomorph Distribution and Depositional Environments in Glen Rose Formation (Lower Cretaceous), Somervell County, Texas: ABSTRACT

L. Gifford Kessler II

AAPG Bulletin

... environments inferred from lithologic evidence and other palynomorphs. Distribution of these microfossils may be explained by wind- and water-current...

1968

Significance of Palynomorphs as Sedimentation Indicators in Cretaceous Straight Cliffs Sandstone, Utah: ABSTRACT

Ralph Orlansky

AAPG Bulletin

... of microfossils are less numerous generally; many beds contain mainly one kind of palynomorph, such as resinous bodies or fusinized material. Possibly...

1969

Upper Cretaceous-Cenozoic Paleobathymetric Cycles, Eastern Panama and Northern Colombia: ABSTRACT

Orville L. Bandy

AAPG Bulletin

...) Analysis of planktonic microfossils and benthic Foraminifera indicates 1 deep-water depositional cycle in the Late Cretaceous of northern Colombia...

1970

Biostratigraphy of Nonmarine Tertiary of Northern Pacific Basin: ABSTRACT

J. A. Wolfe

AAPG Bulletin

... and microfossils in Alaska and the Pacific Northwest indicate that at least 15 biostratigraphic units can be recognized in this region. Where...

1970

Silicoflagellate Biostratigraphic Zonation of Deep-Sea Sediments: ABSTRACT

Carol J. Stadum, Hsin-Yi Ling

AAPG Bulletin

... microfossils, thus making cross correlation possible. The complete absence of silicoflagellates in the few JOIDES samples examined from the Upper...

1971

Basal Marine and Deltaic Deposits of Pennsylvanian Age in Western Kentucky: ABSTRACT

R. W. Davis

AAPG Bulletin

... with shale. In the study area, well cuttings containing sparse microfossils, fragments of macrofossils, sandy and oolitic limestone, and glauconite indicate...

1972

Calcareous Algae and some Associated Microfossils from Ancient Wall Reef Complex (Upper Devonian), Alberta: ABSTRACT

R. Riding

AAPG Bulletin

...Calcareous Algae and some Associated Microfossils from Ancient Wall Reef Complex (Upper Devonian), Alberta: ABSTRACT R. Riding 1972 648 648 56 3...

1972

Inferred Diagenetic History of Weakly Silicified Deep-Sea Chalk: ABSTRACT

S. W. Wise, K. R. Kelts

AAPG Bulletin

...), calcite cementation was followed by the deposition of silica derived from the dissolution of siliceous microfossils and volcanic glass. The silica...

1972

Late Miocene and Early Pliocene Correlations in California Province: ABSTRACT

Walt W. Wornardt, Jr.

AAPG Bulletin

... of microfossils: diatoms, radiolarians, silicoflagellates, and planktonic foraminifers. These microfossil groups, together with the benthonic foraminifers...

1973

Quantitative Environmental Gradient Model for Interpreting Habitats of Microfossil Assemblages: ABSTRACT

Richard A. Park

AAPG Bulletin

...) A robust Q-mode ordination model has been derived from samples of diverse microfossils from Atlantic, Gulf, and Pacific coastal localities representing...

1973

Origin of Cristobalite-Rich Tertiary Sediments in Atlantic and Gulf Coastal Plain: ABSTRACT

F. M. Weaver, S. W. Wise

AAPG Bulletin

... and reprecipitation of siliceous microfossils. These findings suggest a biogenous source of silica for most of the cristobalitic matrix of these Atlantic coastal...

1973

In Search of Resolution: ABSTRACT

T. C. Moore, Jr., Karen Romine

AAPG Bulletin

... of the material recovered by DSDP has been the development of stratigraphic zonation for the siliceous microfossils. Radiolarian stratigraphy, in particular...

1979

Recent and Potential Advances in DSDP Biostratigraphy: ABSTRACT

William R. Riedel

AAPG Bulletin

...) samples and guides to investigations accomplished and under way are readily available. A few DSDP sites with long sequences of well-preserved microfossils...

1979

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