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The AAPG/Datapages Combined Publications Database
Showing 2,972 Results. Searched 200,691 documents.
Secular Variations in the Pelagic Realm
Alfred G. Fischer, Michael A. Arthur
Special Publications of SEPM
... of the calcareous microfossils has been biased by the selective dissolution of the more soluble species from the deeper marine and Roth 1975 and temporal...
1977
Abstract: Post-Pennsylvanian Geologic History of Southeastern United States--Economic Geology, by R. L. Bowen; #90978 (1975).
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1975
Outcrop Notes
F. G. Fox
CSPG Bulletin
..., and probably disconformable. A few very small chert pebbles, and rare phosphatic nodules, mark the base. Fossils: Very rare, but a few have been found...
1954
Outcrop Notes
F. G. Fox
CSPG Bulletin
... and nodules are abundant. In the Banff area there is, about forty feet below the top of the formation, an eighteen inch bed of phosphatic rock...
1954
Permian and Triassic Sedimentation in the Northeastern Brooks Range - Abstract
R. Keith Crowder, N. Harun, E. Harris
Alaska Geological Society
.... This shallowing culminated in the development of a subaerial unconformity separating the Ivishak from phosphatic sandstone and shale of the lower Shublik...
1987
High resolution sequence stratigraphy and geochemistry of Triassic upwelling zone deposits, northern, Alaska: implications for paleoredox conditions and paleoceanography - Abstract
Landon N. Kelly, Michael T. Whalen
Alaska Geological Society
... redox conditions and marine upwelling. Heterogeneous phosphatic, cherty, and organic-rich facies of the Shublik, Otuk, and associated formations record...
2003
Phosphorites and Carboniferous Carbonate Platform Drowning, Lisburne Group, Central Brooks Range, Alaska - Abstract
Michael T. Whalen, Julie Dumoulin, Jeff J. Lukasik, Michelle M. Mcgee, Jesse G. White, Tonje D. Toendel
Alaska Geological Society
.... However, the lack of additional phosphatic or siliceous intervals and the low accumulation rates for sequence 5 carbonates implies that subsidence...
2005
High-Frequency Sequence Stratigraphy and Lithofacies of the Barnett Shale, Fort Worth Basin, Texas, USA
Mohamed O. Abouelresh, Roger M. Slatt
West Texas Geological Society
... content, thus making them likely candidates for regional correlation. However, downslope transport of reworked phosphatic deposits can also provide high...
2010
Permian and Carboniferous Stratigraphy Crowsnest Area, Alberta and B.C.
A. McGugan, J. E. Rapson
CSPG Bulletin
... consists of a rhythmic sequence of phosphatic siltstone, shale with spicular chert, and carbonate, which varies in thickness from about 150 feet west...
1964
Abstract: Tertiary Stratigraphic and Depositional Environments Near Indians Ranch, Monterey County, California, by Stephen Alan Graham; #90976 (1976).
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1976
Unconformity in Colorado Group in Eastern Colorado: GEOLOGICAL NOTES
J. Harlan Johnson
AAPG Bulletin
.... A thin layer of phosphatic nodules and phosphatic fossil casts of organisms. This layer generally means a stratigraphic break, but it may be difficult...
1930
Stratigraphic Architecture of the Tonganoxie Paleovalley Fill, of Northeastern Kansas: Abstract
Howard R. Feldman, Allen W. Archer, Martin R. Gibling, William P. Lanier
Tulsa Geological Society
... that extends beyond the limits of the paleovalley. The maximum flooding surface is within a phosphatic condensed zone within shale immediately above...
1996
ABSTRACT: Pore water redox variability and environmental change recorded by the 1.4 Ga Velkerri Formation, Northern Territories, Australia
Brooke Johnson
The Society for Organic Petrology (TSOP)
.... Abundant chamosite/berthierine cements and grains, early diagenetic phosphatic spheres (often containing glauconite rims and filled with organic matter...
2017
Lower and Middle Triassic Source Rocks and Thermal Maturation in the Peace River Arch Area, Alberta and British Columbia [Abstract]
Riediger, C.L., Snowdon, L.R., Fowler, M.G., Brooks, P.W., Goodarzi, F.
CSPG Bulletin
... beds of the Doig Formation are commonly highly radioactive (high gamma-ray log response) and phosphatic. Rock-Eval/TOC analyses indicate moderate...
1990
ABSTRACT: Miocene Drowning of Temperate (Foramol) Carbonate Platform: Upper Miami Terrace, by Gabrielle Carannante, Lucia Simone, and Conrad Neumann; #91043 (2011)
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2011
Isometric Panel Diagram--Jurassic System: Jurassic
T. P. Chamney
AAPG Special Volumes
... Fernie group. The most distinctive lithology is the dark-gray to black phosphatic shale and phosphate nodules, associated in part with chert...
1958
Abstract: Paleoecology of the Early Cambrian fauna, Smith Point, Western Trinity Bay, Newfoundland
Stephen Schwartz, Duncan McIlroy, Karem Azmy
Atlantic Geology
... and mineralogy. Moldic Hyolithilus appear to be dominant until the middle of the section, where phosphatic forms become dominant. Tommotiids are common...
2005
Abstract: Conodonts and Mass Extinctions in the Phanerozoic
D. Jeffrey Over
Geological Society of Malaysia (GSM)
... the extinction of Frasnian conodont species. Conodonts are the phosphatic tooth-like remains of an extinct eel-like organism of chordate affinities. Conodonts...
1998
ABSTRACT: Starved Euxinic Basin Concept for Oil and Gas Genesis in Oklahoma, by Allan P. Bennison; #91039 (2010)
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2010
ABSTRACT: Cretaceous Shelf-Sea Chalk Deposits: A Global Synthesis, by Donald E. Hattin; #91030 (2010)
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2010
ABSTRACT: Diagenesis and Porosity Development in Oriskany Sandstone of West Virginia, by K. R. Bruner and M. T. Heald; #91031 (2010)
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2010
Sequence Stratigraphy of the Upper Cretaceous Tocito Sandstone: A Model for Tidally Influenced Incised Valleys, San Juan Basin, New Mexico
David C. Jennette and Clive R. Jones
AAPG Special Volumes
...-bedding. Iron-cemented shale rip-up clasts, quartz and phosphatic pebbles, sharks' teeth, and detrital fragments of Inoceramus and oyster shells also...
1995
ABSTRACT: Facial Evolution and Petroleum Potential of the Uppper Cretaceous Black Shales of Southeast Egypt, by Herwig Ganz, Peter Luger, Eckhart Schrank, Paul W. Brooks, and Martin G. Fowler; #91032 (2010)
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2010
1989