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The AAPG/Datapages Combined Publications Database
Showing 2,974 Results. Searched 200,641 documents.
Pennsylvanian and Permian Biostratigraphy, Micropaleontology, Petrography and Diagenesis, Kananaskis Valley, Alberta
Alan McGugan, June E. Rapson
CSPG Bulletin
... include multicycle clastics, carbonates and cherts derived from the Canadian Shield to the northeast, while the Permian is represented by phosphatic...
1979
Evidence and Concerns with Regard to the Late Ordovician Glaciation in North Africa
Philippe Legrande
Pacific Section SEPM
... ; Beuf and others, 1967, unpublished ; Legrand, 1985a). In the central part of the Tassili N'Ajjer, ferrugineous sandstones contain a bed of phosphatic...
1995
Middle Ordovician (Llanvirnian) Sea Level Change Recorded in Shallow-Water Carbonates (Yeongheung Formation), Korea
Chan Min Yoo, Yong Il Lee
Pacific Section SEPM
... is recognized and other criteria for recognition of maximum flooding surface (e.g., organic matter-rich sediments, glauconite or phosphatic hardground...
1995
Field Conference: Cycle and Sequence Stratigraphy of Middle to Upper Cambrian Carbonates, Bonanza King Formation, Southern Great Basin; Lateral Continuity of Middle Cambrian Peritidal Cycles, Southern Nevada: Implications for Their Origin
David A. Osleger, Isabel P. Montañez, Javier Martin-Chivelet, Christoph Lehmann, Jeff Jaech, Eric Stokstad, Milt Kwong
Pacific Section SEPM
... of the Banded Mountain Member where fissile shales containing a low-diversity trilobite fauna and phosphatic brachiopods clearly record deepest water...
1996
Geochemical Provenance of Anomalous Metal Concentrations in Stream Sediments in the Ashton 1:250,000 Quadrangle, Idaho/Montana/Wyoming
Spencer S. Shannon Jr.
Wyoming Geological Association
... are principally sandstone and siltstone whereas Permian rocks are chiefly phosphatic shale and sandstone. Triassic rocks consist of siltstone, shale...
1982
Trends in Sandstone Diagenesis with Depth of Burial, Viking Formation, Southern Alberta
G.E. Reinson, A.E. Foscolos
CSPG Bulletin
... 1). Accessory minerals include heavy minerals, pyrite and phosphatic bone fragments. Observed Diagenetic Features The principal diagenetic features...
1986
Sedimentary Rocks of the Niagara Gorge
John T. Sanford
Journal of Sedimentary Research (SEPM)
.... Crystalline limestone with black phosphatic nodules and fossils. J. Reynales formation, 9 ft. below top. A rather massive, silty, calcareous rock. K...
1939
Triassic Sea-Level Changes: Evidence From the Canadian Arctic Archipelago
Ashton F. Embry
Special Publications of SEPM
... by ammonites as early Anisian (Fig. 8). The overlying regressive shales of the Murray Harbour Formation are commonly bituminous and phosphatic and grade upward...
1988
The Permian Rocky Mountain Group in Alberta
Gilbert O. Raasch
CSPG Special Publications
... Sandstone, very dolomitic, buff, fine to very fine, black phosphatic pebbles present 2 to 3 feet below top, 5 feet below top is band of greyish white...
1956
Huasna Basin, San Luis Obispo County, California; Fieldtrip Guidebook for Pacific Section SEPM
V. E. Rutherford
Pacific Section SEPM
.... branneri to 1600: Valvo robusta Valvo ornata Siltstone Relizian & Shell Zone Point Sal wi Ern phosphatic shale, Valvo californica Sipho. collom...
1956
Volcanism Recorded in Tesnus Formation, Marathon Uplift, Texas
Nobuhiro Imoto, Earle F. McBride
West Texas Geological Society
... organic matter. All beds contain from trace amounts to several percent Radiolaria, siliceous sponge spicules, plant fragments, phosphatic fragments...
1990
A Comparison of the Physical Properties and Petrographic Characteristics of Some Limestones and Dolomites of Southeastern Minnesota
Ernest H. Lathram, George A. Thiel
Journal of Sedimentary Research (SEPM)
... into fine shaly layers along less prominent partings. The basal layer of this portion exhibits a corrosion zone marked by small, black phosphatic pebbles...
1946
Stratigraphy of the Monterey Rocks in the East San Francisco Bay Area, California
James M. Hill
Pacific Section SEPM
.... 2409-2430. Hill, J. M., 1979, Stratigraphy and paleoenvironment of Miocene phosphatic rocks in the east San Francisco Bay region, California: United States...
1983
The Cretaceous/Tertiary Boundary in East-Central Texas
S. Gartner, M.J. Jiang
GCAGS Transactions
..., glauconitic, phosphatic, shelly sand which locally contains nodules and concretions and lenses of black clay. Black clay lenses may also rest...
1985
Devonian Oil in Mississippian and Mesozoic Reservoirs - Unconformity Controls on Migration and Accumulation, Sweetgrass Arch, Montana
John Dlson, Joe Piombino, Mark Franklin, Robert Harwood
Rocky Mountain Association of Geologists
... of black shales, calcarenites and thin sandstones which typically have a phosphatic lag or clam-bored hardground marlung the unconformity at the top...
1993
Evaluating the Shublik Formation as an Unconventional Resource Play on the Alaska North Slope
Allegra Hosford Scheirer, Leslie B. Magoon, Kenneth J. Bird, Edward A. Duncan
Unconventional Resources Technology Conference (URTEC)
... variously include phosphatic nodules, glauconitic zones, organic-rich limestone, chert, conglomerate, claystone, and flat-clam “floods” (Hulm, 1999...
2017
Big Sand Draw
Jack Wold, Bob Wellborn
Wyoming Geological Association
... saturation. RESERVOIR DATA Formation Phosphoria (Embar) - Permian (upper two benches) Lithology Dolomite, cherty and sandstone, phosphatic, highly...
1989
Integrated Inorganic and Organic Geochemistry Approach in the Petroleum Systems Analysis of Permian Shale Plays
Changrui Gong, Lucia Rodriguez, Brian Coffey, Casey Donohue
Unconventional Resources Technology Conference (URTEC)
... reservoir targets. The presence of organic-rich calcareous or siliceous shales, rich in pyrite, and phosphatic nodules, with low levels of bioturbation...
2018
Phosphorite and Limestone, Two Independent End-Member Products of the Range of Bio-Productivity in Shallow Marine Environments
Jacques Lucas, Liliane Prévôt-Lucas
Special Publications of SEPM
...: mineable phosphorite alter~~ating barrel1 carbonate; calcitic or more often dololliitic phos~liorite with alter~iatiilg with phosphatic dolomite...
2000
Nonmetallic Mineral Resources of the Wind River Indian Reservation (Excluding Fuels)
Joseph Gersic
Wyoming Geological Association
... domestic and foreign producers is in doubt because of continuing low global prices for phosphatic fertilizers. There are no substitutes...
1993
Paragenetic Evolution of Reservoir Facies, Middle Triassic Halfway Formation, Peejay Field, Northeastern British Columbia: Controls on Reservoir Quality
Mark L. Caplan,, Thomas F. Moslow
CSPG Bulletin
... phosphatic marine mudrocks (Riediger et al., 1990), migrated northeast up structural dip into Halfway reservoir facies. The main phase of oil generation...
1998
Upper Miocene: Chapter X
Ralph D. Reed
AAPG Special Volumes
..., Galliher's paper should be consulted. Concerning their genesis, he writes: The mechanism of the formation of phosphatic nodules is only partly...
1933
Relationship of Unconformities to Oil and Gas Accumulation
Frank J. Gardner
AAPG Bulletin
... to interpret other evidences of erosion. Some of these are as follows. 1. The presence of phosphate and manganese nodules and phosphatic fossil casts...
1940
Summary of Faunal Studies of Navarro Group of Texas
Lloyd William Stephenson
AAPG Bulletin
... long interval of time. A stratigraphic break of importance at the base of the Corsicana marl is indicated by a phosphatic band, and by the southward...
1941
Determining the age and depositional model of the Doig Phosphate Zone in northeastern British Columbia using conodont biostratigraphy
M. L. Golding, M. J. Orchard, J.-P. Zonneveld, N. S. F. Wilson
CSPG Bulletin
... of forms. Towards the basal contact the phosphate occurs as phosphatized clasts, phosphatic sand and layered grains. Many of the larger clasts consist...
2015