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The AAPG/Datapages Combined Publications Database

Showing 2,974 Results. Searched 200,641 documents.

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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 ; Beuf and others, 1967, unpublished ; Legrand, 1985a).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

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