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The AAPG/Datapages Combined Publications Database
Showing 2,974 Results. Searched 200,636 documents.
Evidence for Sea-Level Fluctuation and Stratigraphic Sequences in the Council Grove Group (Lower Permian), Hugoton Embayment, Southern Mid-Continent
J. Puckette, D. R. Boardman II, Z. Al-Shaieb
Tulsa Geological Society
... (Fig. 7) and overlying marine condensed section that developed on a flooded grainstone. Phosphatic skeletal debris including conodonts and glaucony...
1995
A Review of Cretaceous-Cenozoic Sedimentation and Tectonics, East Coast, South Island, New Zealand
G. H. Browne, B. D. Field
CSPG Special Publications
... deltaic sandstone from the west (Coates, in prep), or by phosphatic greensand (Andrews et al., 1987). These unconformities make it difficult...
1988
The Petrography of Israeli Phosphorites as Related to their Beneficiation
S. Axelrod, A. Metzer, V. Rohrlich
Special Publications of SEPM
... and phosphatic fertilizers for local Total measured use Gross in Wiirzburger et aI 1963 and Shiloni Geological surveys of the various phos phate...
1980
The eocrinoid Ascocystites Barrande (Echinodermata, Blastozoa) from the Middle Ordovician of central Portugal, with comments on the stratigraphy of the Brejo Fundeiro Formation
Timothy P. Young, Stephen K. Donovan
Atlantic Geology
... ing sides, with an erosional relief of up to 200 mm. The sandstone contains much fine-grained phosphatic material and resembles the uppermost bed...
1993
Hydrocarbon Trapping in the Halfway Formation (Triassic), Wembley Field, Alberta
Douglas J. Cant
CSPG Bulletin
... of the shales below the phosphatic zone seems to be a more consistent marker. The Halfway and Doig Formations present difficulties for precise...
1986
The Zone of Exogyra Cancellata Traced Twenty-five Hundred Miles
L. W. Stephenson
AAPG Bulletin
... of phosphatic nodules and phosphatic molds of mollusks. The exact contact of the zone with the overlying Nacatoch sa d has not been observed. In Texas...
1933
Mississippian Stratigraphy of the Central Foothills and Eastern Ranges of the Nordegg Area, Alberta
W. B. Brady
CSPG Special Publications
.... Argillaceous dolomite of the Mount Head formation on the left overlain by a phosphatic conglomerate, shale, and limestone of the Nordegg formation...
1958
Sedimentary Facies and Sea-Level Cycles of the Upper Cretaceous Mooreville Chalk, Central Alabama
David T. King, Jr., Jerry A. Wylie
GCAGS Transactions
...) and is thickest in the eastern part of the study area (fig. 3). The sandstone and sandy chalks contain intraclasts, phosphatic clasts, phosphatized bivalve casts...
1986
History of Oil and Gas Exploration in the Uinta Basin, Utah
John C. Osmond
Rocky Mountain Association of Geologists
...) a Pennsylvanian-Permian system that involves oil derived from the Permian phosphatic limestones and shales that is produced from the underlying eolian Weber...
2003
Upper Paleozoic Development of Nashville Dome, Tennessee
Charles W. Wilson, Jr. , E. L. Spain, Jr.
AAPG Bulletin
..., carbonaceous shale that commonly begins with a dark, phosphatic basal sandstone known as the Hardin sandstone member. The black shale is present...
1936
Stratigraphy of Arkansas-Oklahoma Coal Basin
T. A. Hendricks , C. H. Dane , M. M. Knechtel
AAPG Bulletin
...------------------------------ Near Atoka the formation consists of gray shales alternating with conglomeratic sandstone beds. A single phosphatic concretion of the type...
1936
Type Section and Conodont Biostratigraphy of the Upper Devonian Palliser Formation, Southwestern Alberta
N.C. Meijer Drees, D.I. Johnston
CSPG Bulletin
... cm thick phosphatic sandstone bed (Crickmay, 1956) that represents a basal transgressive lag-deposit of the Exshaw Formation (Harker and McLaren, 1958...
1994
North Slope Alaska Oil-Rock Correlation Study: SOURCE ROCK EVALUATION INCLUDING ISOTOPES AND BIOMARKERS
W. B. Hughes, A. G. Holba, D. E. Miiller
AAPG Special Volumes
... phosphatic (0.38% phosphorus) shale deposited in a more reducing (pristane/phytane = 1.33) environment. In contrast, the South Meade No. 1 sample (Meade Arch...
1985
Thickness of Strata
Vincent C. Kelley
Journal of Sedimentary Research (SEPM)
..., pp. 381-390. MCKELVEY, V. E., 1947, Stratigraphy of the phosphatic shale member of the Phosphoria formation in western Wyoming, southeastern Idaho...
1956
Sea-Level-Driven Sedimentation Patterns on the Slope and Margin
Jeroen A.M. Kenter, Robert N. Ginsburg, Simon R. Troelstra
Special Publications of SEPM
... skeletal derived 03and 197 m the 44 grains, and phosphatic grains. Between 367.03 and 197.44 m, the grains and phosphatic grains Between 367...
2001
Sedimentology and Sequence Stratigraphy of Devonian-Carboniferous Strata, Southern Alberta
Mark L. Caplan,, R. Marc Bustin
CSPG Bulletin
... with demise of the carbonate ramp. A phosphatic, pyritiferous lithic arkose, representing a hiatus event between the two formations, is interpreted...
1998
Integration of Microfacies Analysis, Inorganic Geochemical Data, and Hyperspectral Imaging to Unravel Mudstone Depositional and Diagenetic Processes in Two Cores from the Triassic Shublik Formation, Northern Alaska
Katherine J. Whidden, Justin E. Birdwell, Julie A. Dumoulin, Lionel C. Fonteneau, Brigette A. Martini
Unconventional Resources Technology Conference (URTEC)
... imagery include low-angle features, calcite grain-size, and the size, shape and orientation of phosphatic nodules. This enhancement is URTeC 445 2...
2019
Upper Cretaceous Marine Depositional Sequences in Alabama and Their Probable Correlation with the Western Interior Seaway
David T. King, Jr.
GCAGS Transactions
... sequence 4 consists of both transgressive and high-stand systems tracts that are separated by a condensed zone of phosphatic chalky marl (King...
1994
Clay Minerals Of The Silurian Clinton Ironstones, New York State
Robert schoen
Journal of Sedimentary Research (SEPM)
... of phosphatic minerals are found in the ironstones as fossil fragments and possibly as fecal pellets. X-ray diffraction photographs of both forms...
1964
Moorefield Formation and Ruddell Shale, Batesville District, Arkansas
Mackenzie Gordon, Jr.
AAPG Bulletin
... shaped clay-ironstone nodules up to 6 inches across. In the middle part of the shale phosphatic nodules up to 2 inches in diameter are common...
1944
Interrelation of Mineralogy and Texture Within an Ordovician Lexington Limestone Section in Central Kentucky
Irving S. Fisher
Journal of Sedimentary Research (SEPM)
... component, as shown by qualitative chemical tests and by phosphatic fossil fragments served in thin sections. The hydrochloric acid used to remove...
1968
Structural Deformation of the Southern Florida Peninsula during the Late Miocene to Early Pliocene: Geophysical Log Evidence
Robert G. Maliva, Thomas M. Missimer, Weixing Guo
GCAGS Transactions
... of the phosphatic (high gamma-ray activity) strata at the base of the Peace River Formation. The accommodation space was filled with siliciclastic sediments...
2006
Regional Sequence Stratigraphy, Biostratigraphy, Facies, and Depositional Environments of the Upper Cretaceous Austin Chalk in South and Central Texas
Christine Griffith, James Pospichal, Eric de Kaenel, Michael Pope, and Arthur Donovan
GCAGS Transactions
...: cemented hardgrounds, lithoclasts, and glauconitic skeletal packstone in updip settings, and phosphatic skeletal packstone in downdip settings. Hardgrounds...
2023
Paleogeology of Panhandle of Texas
Robert Roth
AAPG Bulletin
... and coarse to fine, well rounded frosted quartz sand grains, ordinarily constituting a bed. The sandstone contains abundant phosphatic nodules...
1955
Using Biogenic Structures to Interpret Sharp Lithologic Boundaries: An Example from the Lower Devonian of New York
Molly Fritz Miller, Judith Rehmer
Journal of Sedimentary Research (SEPM)
... may indicate whether such breaks represent brief depositional discontinuities or major unconformities. Baird (1978) used the p esence of a phosphatic...
1982