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The AAPG/Datapages Combined Publications Database
Showing 2,969 Results. Searched 200,673 documents.
Stratigraphic and Sedimentologic Framework of the Monterey Formation, Pismo Syncline, California
Ronald C. Surdam, K. O. Stanley
Pacific Section of AAPG
... along the western edge of the Basin (west of the topographic high) is characterized by carbonate and phosphatic-rich rocks, as well as diatomaceous...
1981
Age of the Barnett (Lower Bend) Shale of Central Texas: GEOLOGICAL NOTES
Raymond C. Moore
AAPG Bulletin
... of glauconite and phosphatic pebbles, between the Marble Falls and the black Barnett shale. It may be recorded here that following the 1921 meeting...
1922
Depositional Environments of Sediments near the Paleocene-Eocene Boundary, Bastrop, Texas
Thomas E. Yancey, Thomas F. Hull, Regina L. Dickey
GCAGS Transactions
... a continental depositional system, but marine microfossils in mudstones, sedimentary structures in mudstones and sands, and trace fossils are typical...
2010
Sequence Stratigraphy, Systems Tracts, and Mapping Strategies for the Subsurface Middle and Upper Pennsylvanian of the Eastern Shelf, North-Central Texas*
Arthur W. Cleaves
Fort Worth Geological Society
... disconformities and represent Type-1 sequences. Phosphatic black shale units constitute the interval of maximum glacio-eustatic inundation on the shelf...
1993
A Model of Penecontemporaneous Phosphatization by Diagenetic and Authigenic Mechanisms from the Western Margin of Southern Africa
G. F. Birch
Special Publications of SEPM
... of several phosphatic varieties occurring on the continental margins of southern Africa Authigenic phosphorite occurs as pellets mainly on the middle...
1980
Middle and Upper Miocene Natural Gas Sands of Onshore and Coastal Alabama
Charles C. Smith, Robert M. Mink
GCAGS Transactions
... quartzose sand and black phosphatic grains, and occasional glauconite and pyrite in significant amounts. The upper Oligocene carbonate boundary upon which...
1998
Zonation of Upper Cretaceous Austin Chalk and Burditt Marl, Williamson County, Texas
Keith Young , Edward Marks
AAPG Bulletin
...------------------------------ of carbonate rock. Most of the microfossils are calcareous and fragmentary; they are preponderantly members of the family Globigerinidae. The "Austin group...
1952
Tertiary Tectonics and Sedimentation in the Cuyama Basin, San Luis Obispo, Santa Barbara, and Ventura Counties, California; Frontmatter and Roadlog
W. J. M. Bazeley
Pacific Section SEPM
... on the south limb of a large, overturned anticline. Relizian microfossils that were deposited in middle bathyal depths are common in this unit (Lagoe, 1985...
1988
Oolitic Ironstone of the Cretaceous Western Interior Seaway, East-Central Utah
Marjorie A. Chan
Journal of Sedimentary Research (SEPM)
... of phosphatic material (bone and fish teeth) are common, admixed with fossil hash and wood pieces. Internal structures within the mappable oolitic...
1992
Sedimentology and Orientation of Tentaculite Shells in Turbidite Lime Mudstone to Packstone: Lower Devonian, Barrandian, Bohemia
Jindrich Hladil , Petr Cejchan , Ananda Gabasova , Zdenek Tdeaborsky , Jana Hladikova
Journal of Sedimentary Research (SEPM)
...). A possible sea-level rise is suggested (cf. Fig. 1). Abundant phosphatic microfossils are dominated by small Acrotreta shells; icriodid...
1996
Prairie Bluff Chalk and Owl Creek Formation of Eastern Gulf Region: GEOLOGICAL NOTES
L. W. Stephenson, W. H. Monroe
AAPG Bulletin
..., of great numbers of phospha ic internal molds of mollusks and other marine organisms and phosphatic nodules. This upper chalk extends eastward from...
1937
Evidence of precessional and eccentricity orbital cycles in a Tithonian source rock: The mid-outer carbonate ramp of the Vaca Muerta Formation, northern Neuquen Basin, Argentina
Diego A. Kietzmann, Javier Martin-Chivelet, Ricardo M. Palma, Jose Lopez-Gomez, Marina Lescano, Andrea Concheyro
AAPG Bulletin
... and, to a lesser extent, on bivalves, brachiopods, and microfossils, such as foraminifers, radiolarians, and calcareous nannofossils (Riccardi et al., 2000...
2011
Comparative Organic Geochemistry of Shales and Coals from Cherokee Group and Lower Part of Marmaton Group of Middle Pennsylvanian Age, Oklahoma, Kansas, Missouri, and Iowa: ABSTRACT
Joseph R. Hatch, Joel S. Leventhal
AAPG Bulletin
... to gray-black shales (1 to 8% org. C), and laminated, phosphatic black shales (4 to 28% org. C). Organic matter in these rocks came mostly from peat...
1982
Abstract: Stratigraphy of the Barnett Shale, Newark East Field, Texas., by Prerna Singh, Roger Slatt, Chandra Rai, Carl Sondergeld, and Chris Stamm ; #90065 (2007)
Search and Discovery.com
2007
Abstract: Chemostratigraphy of Hemipelagic Facies of the Monterey Formation and Equivalent Sedimentary Rocks, Los Angeles Basin, California, by Lanners, Rebecca; Behl, Richard J.; and Herzig, Charles; #90162 (2013)
Search and Discovery.com
2013
Sequence Stratigraphic and Geochemical Insights Into Paleoceanography and Source Rock Development in the Shublik Formation and Adjacent Units, Northern Alaska
Search and Discovery.com
N/A
Notes on Monterey Rocks Near Santa Maria, California
Kenneth A. Pisciotto
Pacific Section of AAPG
... and preserving the abundant diatomaceous debrts (Ingle, 1973). The transitional phosphatic facies may record the past position of the oxygen minimum...
1981
Middle Miocene Organic Carbon Accumulation Rates in the Monterey Formation in the Santa Barbara and Santa Maria Basins, California; #51696 (2022)
Scott Hornafius
Search and Discovery.com
... sedimentation rates up to 100 m/my are found. The condensed sections in the coastal outcrops west of Santa Barbara are comprised of phosphatic marls...
2022
The Phosphoria, Park City, and Shedhorn Formations in Western Phosphate Field
V. E. McKelvey, James Steele Williams, R. P. Sheldon, E. R. Cressman, T. M. Cheney, R. W. Swanson
Utah Geological Association
..., and carbonate rock and subordinate sandstone in northeastern Utah; thin tongues of phosphatic and cherty rocks, however, persist over all of these areas...
1967
Diagenesis and quartz cement distribution of low-permeability Upper TriassicMiddle Jurassic reservoir sandstones, Longyearbyen CO2 lab well site in Svalbard, Norway
Mai Britt E. Mork
AAPG Bulletin
... at clay-rich microstylolites. Phosphatic beds at the base and top of the formation are strongly influenced by marine eogenesis and reworking processes...
2013
Mississippian Shelf Margin and Carbonate Platform from Montana to Nevada
Raymond C. Gutschick, Charles A. Sandberg, William J. Sando
Rocky Mountain Section (SEPM)
... Survey Professional Paper 985, 25 p. Armstrong, A. K., and Mamet, B. L., 1977, Carboniferous microfacies, microfossils, and corals, Lisburne Group...
1980
The Cretaceous-Paleogene Boundary on the Brazos River, Texas: New Stratigraphic Sections and Revised Interpretations
Malcolm B. Hart, Thomas E. Yancey, Andrew D. Leighton, Brent Miller, Chengjie Liu, Christopher W. Smart, Richard J. Twitchett
GCAGS Journal
... shells (mostly small pycnodonteinid bivalves) as well as molds of aragonitic shells and phosphatic steinkerns set in a matrix of abundant foraminifera...
2012
Comparison of Marine-Bar with Valley-Fill Stratigraphic Traps, Western Nebraska
F. A. Exum , J. C. Harms
AAPG Bulletin
... and illite. Granule- or pebble-size material is nearly absent in the clean sandstone of the central-bar facies. Phosphatic fragments are found...
1968
Petrography and Origin of Bedded Barite and Phosphate in the Devonian Slaven Chert of Central Nevada
Karen K. Graber , Henry S. Chafetz
Journal of Sedimentary Research (SEPM)
...., 1988, p. 259-268. COLES, K. S., AND SNYDER, W. S., 1985, Significance of Lower and Middle Paleozoic phosphatic chert in the Toquima Range, Central...
1990
Abstract: The Fleming chert-breccia, Labrador Trough, Labrador
T. Birkett
Atlantic Geology
.... The rocks of the Fleming Formation overlie a cherty phosphatic unit, traditionally considered part of the underlying dolomitic Denault Formation...
1990