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The AAPG/Datapages Combined Publications Database
Showing 2,972 Results. Searched 200,599 documents.
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