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The AAPG/Datapages Combined Publications Database
Showing 2,969 Results. Searched 200,357 documents.
Activities of the State Geological Survey of Kansas: ABSTRACT
John C. Frye
AAPG Bulletin
... potential future additions to this list include anhydrite, asphalt rock, bentonite, feldspar, glass sand, high-alumina clay, lignite, oil shale, phosphatic...
1953
Paleogeographic Implications of Disconformities in Monterey Formation, California, by J. Scott Hornafius, Ronald J. Echols, and Bernie E. Felber; #91024 (1989)
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1989
ABSTRACT: Anoxic Marine Lakes--an Analogue Environment for Insular Phosphorite Formation, by William C. Burnett; #90097 (1990).
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1990
Studies of Some Marine Phosphorites from Baja California: ABSTRACT
B. F. d'Anglejan
AAPG Bulletin
... phosphatic sands over 50 ft. thick are kno n to exist in the vicinity of the lagoons. From geological considerations and geochemical arguments the average...
1965
Biostratigraphy of Blake Plateau (Atlantic) Drill-Hole Samples: ABSTRACT
Tsunemasa Saito, Louis Lidz
AAPG Bulletin
... of Globigerina-ooze facies. A marked contrast in sedimentary facies, i. e., shallow-water calcarenite and silty phosphatic clay in nearshore holes...
1966
Reconstruction of an Ancient Shallow-Water Marine Environment: ABSTRACT
P. J. Cook
AAPG Bulletin
... that the sedimentary rocks, mainly orthoquartzite and phosphatic shale, were deposited during a regressive-transgressive cycle which resulted in the migration...
1967
Mesozoic Sequence in Arctic Alaska: ABSTRACT
Robert L. Detterman
AAPG Bulletin
..., indicating a source in that direction. Middle and Late Triassic times are represented by widespread deposits of black phosphatic limestone, calcareous shale...
1970
Sequence Elements in Stratigraphic Analysis of Lower Colorado (Cretaceous) Strata, West-Central Saskatchewan: ABSTRACT
Frank Simpson
AAPG Bulletin
..., sideritic oolites, concentrations of iron sulfides, and accumulations of phosphatic bodies, also are present. The use of sequence elements...
1971
Radiometric Age Determination of Silurian Glauconite: GEOLOGIC NOTES
J. T. Sanford , R. E. Mosher
AAPG Bulletin
.... At various localities there is a concentration of either phosphatic, glauconitic, or ferruginous material which would seem to have required some time for its...
1975
Models for Interpretation of Micromorph Faunas in Washita Group: ABSTRACT
Ernest A. Mancini
AAPG Bulletin
... are found in limonitic, pyritic, or phosphatic black shales. They consist of individuals that are smaller than those in normal faunas. These faunas...
1979
Paleogeography of Eustatic Model for Deposition of Mid-Continent Upper Pennsylvanian Cyclothems: ABSTRACT
Philip H. Heckel
AAPG Bulletin
..., quasi-estuarine circulation, and upwelling, all leading to widespread deposition across the Mid-Continent of phosphatic black shale, which graded...
1980
Organophosphorites in Carboniferous Rocks of Central United States: ABSTRACT
Glen K. Merrill, David T. Long, W. Fred Falls
AAPG Bulletin
...------------------------------ those with siliceous (radiolarians, sponges), or phosphatic (brachiopods, conodonts, bony fish and sharks) skeletons. This indicates an abundance...
1980
Early Paleozoic Conodont Biostratigraphy and Paleogeography of Northwestern Canada: ABSTRACT
R. S. Tipnis, M. P. Cecile
AAPG Bulletin
... to the south. Late Ordovician-Ea ly Silurian carbonate deposition on the platform graded basinward into shales and limestones. The phosphatic microfossil...
1980
Mississippian Continental Margins of Conterminous United States: ABSTRACT
Raymond C. Gutschick, Charles A. Sandberg
AAPG Bulletin
... cascaded over the passive shelf margins to intertongue with thin carbonat slope deposits and very thin (~ 10 m) phosphatic basinal sediments...
1981
Geochemistry of Organic-Rich Shales and Coals from Middle Pennsylvanian Cherokee Group and Lower Part of Marmaton Group, Oklahoma, Kansas, Missouri, and Iowa: ABSTRACT
Joseph R. Hatch, Joel S. Leventhal
AAPG Bulletin
.... Groups II, III, and IV shales are laminated, phosphatic, and nonfossiliferous to slightly fossiliferous. Groups III and IV shales are most common...
1981
Paleogeographic Setting and Depositional Environments of Santa Margarita Formation, Ventura County, California: ABSTRACT
Devin R. Thor
AAPG Bulletin
...-grained sandstone with some large-scale cross bedding; and (2) facies B, laminated mudstone, phosphatic mudstone, and pelletic phosphate. Rocks...
1981
Stratigraphy and Depositional Environments of Miocene Strata of Central Atlantic Coastal Plain: ABSTRACT
Thomas G. Gibson
AAPG Bulletin
...; three pulses of phosphatic clay and sand and intercalated diatomaceous clay characterize the Albemarle Embayment during the early and middle Miocene...
1981
Depositional Patterns of Neogene Sediments Around Carolina Platform on Mid-Atlantic Continental Shelf: ABSTRACT
Stanley R. Riggs, Don W. Lewis, Albert C. Hine
AAPG Bulletin
... by interbedded lithologies consisting of phosphorite sands, phosphatic foraminiferal muds, dolosilts, and calcareous quartz sands. Deposition of the Pungo River...
1981
1996
Depositional Environments of Silurian Whirlpool Sandstone (Medina) in Western New York: ABSTRACT
Beverly Seyler
AAPG Bulletin
.... Fragmented phosphatic marine fossils are found throughout the sandstone. Erosion of Upper Ordovician sediments in western New York was minimal...
1982
Ammonite Zonation in Condensed Zone, Middle Ozan Formation (Taylor Group, Upper Cretaceous) in Northeast Texas: ABSTRACT
Joan Echols
AAPG Bulletin
... phosphatic internal molds), and hiatus concretions. Four of 6 midcontinent ammonite range zones proposed by Cobban and others appear to be represented...
1984
Regional Lithostratigraphy of Permian Phosphoria Formation, Western Overthrust Belt: ABSTRACT
Daniel Tisoncik
AAPG Bulletin
... organic phosphatic mudstone deposited in a shallow marine shelf-margin environment. Distribution of facies types was affected by paleostructural...
1984
Abstract: Hardbottoms of the Inner West-Central Florida Continental Shelf, by S. Obrochta, D. Duncan, and G. Brooks; #90932 (1998).
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1998
Trace Fossils in Middle and Upper Austin Chalk near Dallas, Texas--Paleoecologic and Economic Significance: ABSTRACT
William C. Dawson, Donald F. Reaser
AAPG Bulletin
... channels; dense networks of Thalassinoides occur on lower surfaces. (3) Firmground--phosphatic, glauconitic, foraminiferal biocalcilutite containing...
1985
Depositional Trends in Carbonate-Dominated and Clastic-Dominated Late Pennsylvanian Cycles in North Texas: ABSTRACT
Thomas E. Yancey, Robert Hojnacki
AAPG Bulletin
... silts. The transgressive sequence culminates in a deeper water, dark-colored phosphatic shale. The regressive sequence is thicker, begins with a richly...
1985