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The AAPG/Datapages Combined Publications Database

Showing 2,972 Results. Searched 200,599 documents.

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Geologic Characterization and the Depositional Environment of the Middle Devonian Marcellus Shale, Appalachian Basin, NE USA

Olusanmi O. Emmanuel, Stephen A. Sonnenberg

Unconventional Resources Technology Conference (URTEC)

...). Scale bar is 100micron. Both thin section photomicrographs are under plane-polarized light. Figure 5: Macro and microfossils in the Marcellus...

2013

Pores, Spores, Pollen and Pellets: Small, but Significant Constituents of Resource Shales

Roger M. Slatt, Neal O'Brien, Carlos Molinares-Blanco, Andrea Sema-Bernal, Emilio Torres, Paul Philp

Unconventional Resources Technology Conference (URTEC)

... of Uranium/Phosphatic/organic-rich beds unrelated to sea level change, as well as other sources of Uranium that provide the high gamma-ray response...

2013

Depositional Environments, Upper Pierre Shale, Denver Basin, Colorado

Uka Nwangwu

Rocky Mountain Association of Geologists

... and other skeletal debris are abundant. Several microfossils occur as glauconite casts. Baculites clinolobatus is found in several calcareous concretions...

1977

The Stratigraphy of the Wilmington Oil Field

Tom F. Norton, George E. Otott Jr.

Pacific Section of AAPG

... of alternating layers of coarse-grained, poorly sorted sandstone and dark brown or gray shale (Mayuga, 1970). Phosphatic concretions are found near...

1996

Early Cambrian Patch Reefs, Southern Labrador

N. P. James, D. R. Kobluk, C. F. Klappa

CSPG Special Publications

.... Epiphyton and Renalcis - diagenetic microfossils from calcification of coccoid blue-green algae: Journal of Sedimentary Petrology, v. 54, p. 948-971...

1988

The Provenance of Middle Tertiary Sandstones of the San Emigdio Range and Tehachapi Range, Southern California

Mariana L. Rhoades, Peter G. DeCelles

Pacific Section SEPM

... crystalline micro-quartz to mega-quartz. Some of the chert grains contain ghosts of siliceous microfossils (radiolaria), some appear "dirty" owing...

1995

The Surface Formations of the Trinity Group in Southwestern Arkansas, and a Proposed Revision of Stratigraphic Rank for the Three Lower Units

Bruce K. Darling , Brian E. Lock

GCAGS Transactions

... gastropods are abundant, along with the shells of oysters and clams. Less common are echinoderm fragments, serpulid worm tubes, and phosphatic material...

1984

Micro-Mechanisms of Sedimentation in the Epicontinental Environment

Albert V. Carozzi

Journal of Sedimentary Research (SEPM)

... microfossils (ostracods, foraminifera) and the frequency of fragments of much larger fossils (inocerams, echinoids). 4. Matrix--The amount, texture...

1958

Sequence Stratigraphy of the Late Miocene-Early Pliocene Peace River Formation, Southwestern Florida

Thomas M. Missimer

GCAGS Transactions

... on the left with a graphical correlation to the GPTS (top). The microfossils and strontium isotope ages are shown with the error ranges on the graph...

1999

Carbonate Petrology of the Onondaga Limestone (Middle Devonian), New York: a Case for Calcisiltite

Roy C. Lindholm

Journal of Sedimentary Research (SEPM)

... (not including the phosphatic quartz sand in the basal Springvale Sand). Relative abundance and grain size relationships between the quartz silt and dolomite...

1969

Benthic Community Development in Limestone Beds of the Waynesville (Upper Dillsboro) Formation (Cincinnatian Series, Upper Ordovician) of Southeastern Indiana

Frank W. Harris , Wayne D. Martin

Journal of Sedimentary Research (SEPM)

... of the Arnheim is marked by a thick limestone bed distinguished by an assemblage of phosphatic microfossils, the most common being the gastropod Cyclora. Field...

1979

Silica Diagenesis in Accreted Eocene Siliceous Rocks (Horizon Ac) on Barbados

D. K. Larue , C. W. Gortner , R. Torrini, Jr.

Journal of Sedimentary Research (SEPM)

..., glauconite, microline, mica, plant debris, pebble-size mud clasts, and phosphatic shell fragments. End_Page 1033----------------------- Resedimented Late...

1987

Origin of Lacustrine Rocks of Wilkins Peak Member, Wyoming

Raymond Sullivan

AAPG Bulletin

..., W. H., 1929, Varves and climate of the Green River epoch: USGS Professional Paper 158-E, p. 87-110. Bradley, W. H., 1931, Origin and microfossils...

1985

Recurring Patterns of Total Organic Carbon and Source Rock Quality within a Sequence Stratigraphic Framework

Stephen Creaney , Quinn R. Passey

AAPG Bulletin

... for the occurrence of organic-rich, often phosphatic, marine shales (condensed sections) on the shelf. Posamentier et al. (1988) used the following definition...

1993

Paleocene and Eocene Guide Fossils of the Eastern Gulf Coast Region

Lyman D. Toulmin

GCAGS Transactions

... are especially useful to field geologists in the eastern Gulf Coast region as indicators of stratigraphic position. Foraminifera and other microfossils...

1969

Cenozoic Marine Mollusks and Paleogeography of the Gulf of California: Chapter 31: Part V. Physical Oceanography, Primary Productivity, Sedimentology

Judith Terry Smith

AAPG Special Volumes

.... Blow, W. H., 1969, Late middle Eocene to Recent planktonic foraminiferal biostratigraphy, in First International Conference on Planktonic Microfossils...

1991

Grain Association, Petrography, and Lithofacies

Diego A. Kietzmann, Federico González Tomassini, Taury Smith

AAPG Special Volumes

... and calcite. (C) Pumice fragments replaced by calcite. (D) Phosphatic shell fragment of Lingularia. (E) Phosphatic fish bone. (F) Phosphatized...

2020

Collophane from Miocene Brown Shales of California

E. Wayne Galliher

AAPG Bulletin

... of Hubert G. Schenck, of Stanford University, the writer has had the opportunity to examine a large amount of material containing phosphatic oolites which, so...

1931

Biostratigraphy of the Luisian and Mohnian Stages between Santa Barbara and Gaviota, California

Ronald J. Echols

Pacific Section of AAPG

... that is characterized by phosphatic hardgrounds. Foraminiferal biostratigraphy shows that the base of the condensed interval is diachronous, varying from a position...

1994

Growth, Demise, and Dolomitization of Miocene Carbonate Platforms on the Marion Plateau, Offshore NE Australia

S.N. Ehrenberg, J.M. McArthur, M.F. Thirlwall

Journal of Sedimentary Research (SEPM)

..., Reyes, M., and Ocampo, V.P., 1976, Microfacies and Microfossils of the Miocene Reef Carbonates of the Philippines, Manila: Philippine Oil Development Co...

2006

Calibration of Seismic Sequence Stratigraphy with Cores and Logs

Gregor P. Eberli, Flavio S. Anselmetti, Jeroen A.M. Kenter, Donald F. Mcneill, Leslie A. Melim

Special Publications of SEPM

... sition is mixed peloids and skeletal grains with 5 planktonic 10 foraminifera A thin condensed interval that is capped by a rich 3 phosphatic and iron...

2001

Anatomy of Extremely Thin Marine Sequences Landward of a Passive-Margin Hinge Zone: Neogene Calvert Cliffs Succession, Maryland, U.S.A.

Susan M. Kidwell

Journal of Sedimentary Research (SEPM)

... is also inferred from the declining diversity and abundance of stenohaline benthic and planktonic microfossils through the entire Plum Point-Choptank...

1997

Sample Examination

R. G. Swanson

AAPG Special Volumes

... to black color can result from the presence of carbonaceous or phosphatic material, iron sulfide, or manganese. Glauconite, ferrous iron, serpentine...

1981

Stratigraphy of the Phosphoria Formation in the Jackson Hole Region, Wyoming

Richard P. Sheldon

Wyoming Geological Association

... of the phosphatic shale members of the Phosphoria formation in western Wyoming, southeastern Idaho, and northern Utah: U. S. Geol. Survey Open-File Report...

1956

Mineralogical and Geochemical Studies of the Phosphatic Formations in Southeastern Turkey Mazidagi Mardin

Jacques Lucas, Liliané Prevôt, Gürol Ataman, Niyazi Gündoğdu

Special Publications of SEPM

...Mineralogical and Geochemical Studies of the Phosphatic Formations in Southeastern Turkey Mazidagi Mardin Jacques Lucas, Liliané Prevôt, Gürol Ataman...

1980

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