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The AAPG/Datapages Combined Publications Database

Showing 11,106 Results. Searched 200,641 documents.

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Mississippian (Chesterian) Sequence Stratigraphy in the Black Warrior Basin: Pride Mountain Formation (Lowstand Wedge) and Hartselle Sandstone (Transgressive Systems Tract)

Frank W. Stapor , A. W. Cleaves

GCAGS Transactions

... and west. Isolith and isopach maps describe A) dip elongate, river-dominated lobes in the Lewis; and B) cuspate, wave-dominated lobes with SW/NE...

1992

Pore Fluids of Recent Marine Sediments: I., Oxidizing Sediments of 20° N, Continental Rise to Mid-atlantic Ridge

James L. Bischoff, Teh-lung Ku

Journal of Sedimentary Research (SEPM)

... the individual components as a function of depth in the various deep-sea environments. This present paper reports on the first part of such a study...

1970

Deep-Sea Ironstone Deposits in the Gulf of Mexico

Willis E. Pequegnat, William R. Bryant, Alan D. Fredericks, Thomas R. Mckee, Roy Spalding

Journal of Sedimentary Research (SEPM)

.... This ironstone generally has comparatively low manganese and high uranium values. The iron is apparently derived from continental weathering and carried...

1972

Boron in Illite as an Indicator of Paleosalinity of Illinois Coals

B. F. Bohor, H. J. Gluskoter

Journal of Sedimentary Research (SEPM)

..., Calculations of paleosalinities from boron and clay mineral data: Am. Assoc. Petroleum Geologists Bull., v. 55, no. 10, p. 1829-1837. COUCH, E. L...

1973

The Oldest Marine Carbonate Ooids Reinterpreted as Volcanic Accretionary Lapilli, Onverwacht Group, South Africa

Donald R. Lowe, L. Paul Knauth

Journal of Sedimentary Research (SEPM)

... yellow orange-weathering (10 YR 6/6) calcareous chert showing a medium-grained granular texture. It is interlaminated with fine-grained pale green...

1978

Clay Mineralogy of a Glacially Dominated, Subarctic Continental Shelf: Northeastern Gulf of Alaska

Bruce F. Molnia , James R. Hein

Journal of Sedimentary Research (SEPM)

... trace quantities (trace) present. Vermiculite, present in several samples from the Copper River system, is not included in the calculations that describe...

1982

Diagenetic Alterations of Micromammal Fossil Bones from Olduvai Bed I of the Lower Pleistocene Sequence at Olduvai Gorge, Tanzania

Y. Dauphin , C.T. Williams , P. Andrews , C. Denys , Y. Fernandez-Jalvo

Journal of Sedimentary Research (SEPM)

.... 9, p. 289-307. BEHRENSMEYER, A.K., 1978, Taphonomic and ecologic information on bone weathering: Paleobiology, v. 4, p. 150-162. DAUPHIN, Y., 1993a...

1999

Small-Scale Fracture Density in Asmari Formation of Southwest Iran and its Relation to Bed Thickness and Structural Setting

H. McQuillan

AAPG Bulletin

... these two belts is marked not only by a surface lithologic change, but also by a topographic change from the highly resistant dip slopes and whale...

1973

Stratigraphy of the Carboniferous Lisburne Group, Philip Smith Mountains, Arctic National Wildlife Refuge, Alaska - Abstract

M. M. McGee, M. T. Whalen, A. P. Krumhardt

Alaska Geological Society

... veneer of Wahoo. The lower Lisburne can be subdivided into three informal units based on their weathering profile. The lowermost 350 meters overlies...

2001

Abstract: Terrestrial glacial and nonglacial events in Atlantic Canada: correspondence with offshore sediment cycles and with oxygen-isotope temperature variations

D. R. Grant

Atlantic Geology

... regression, weathering, periglacial deposits and locally thin tills. The succeeding Wisconstnan Stage is represented by three tills produced by separate...

1984

Recording Seismic Data to Evaluate Subtle Subsurface Prospects

Joy J. Anneler

Houston Geological Society Bulletin

... will be more accurate since variations in weathering depth can be measured directly. If Vibroseis or other non-explosive sources are utilized, special...

1987

Surficial Geology of Bull Creek Basin, Northern Henry Mountains, Utah

Arthur Hohl, Ben Everitt

Utah Geological Association

... one or more shallow depressions (rock glacier). The weathering rind on the rubble varies from non-existant on active deposits above 10,000 ft elevation...

1980

Abstract: Integrated Stratigraphic and Provenance of the Cuu Long Basin, Offshore Vietnam

David A. Riley, Maximilian Franzel, Tim J. Pearce, Anh Nguyen, Nathan Bruder, Gregory Fraser, Robert J. Morley, Harsanti P. Morley

Southeast Asia Petroleum Exploration Society (SEAPEX)

... the provenance of key sandstone intervals. Key ratios, from the whole rock elemental dataset, effectively represent changes in sediment provenance, weathering...

2023

Permian Condensed Sequences, Western Canadian Rocky Mountains [Abstract]

A. Mcgugan, June E. Rapson-Mcgugan

CSPG Bulletin

... amounts of true clay material, either in the sandstones or in interbedded shaly-weathering intervals. If clastic clay had been present, its silica...

1971

Abstract: Mineralogy and Organic Petrography of the No. 6 Coal Seam, Soutpansberg Coalfield, South Africa: Evidence for Hydrothermal Activity

Sanki Biswas, Nicola J. Wagner, Ofentse M. Moroeng

The Society for Organic Petrology (TSOP)

..., and/or hydrothermal fluids during igneous intrusion emplacement. The chemical index of weathering (CIW) and chemical index of alteration (CIA) range from...

2023

The Occurrence of Various Types of Secondary Iron in the Semantan Formation

Kadderi Md. Desa, Ibrahim Komoo, Che Aziz Ali

Geological Society of Malaysia (GSM)

... nodules, concretions and iron sheets and secondary iron beds are quite common as a result of chemical weathering in tropical climate. The occurrences...

1990

ABSTRACT: Serrinha waste pile (Douro Coalfield Basin, Portugal) - Organic Petrology and Geochemical Characterization

J. Ribeiro, D. Flores

The Society for Organic Petrology (TSOP)

... reflectance ranges between 4.8% and 5.6%. Some weathering evidences were identified, namely, organic particles with cracks, presence of iron oxides...

2009

Abstract: The Nature of Permian-Triassic Junction in the Rock Sequence in Central Pahang

Ahmad Jantan, Uyop Said, Mohamad Md Tan

Geological Society of Malaysia (GSM)

.... Rocks of the Semantan Formation exposed at road cuts have mostly undergone weathering into soil. Weathered shales are yellowish brown, yellowish red...

1994

Fracturing of Sandstone Cobbles in Caliche Cemented Terrace Gravels: NOTES

Robert G. Young

Journal of Sedimentary Research (SEPM)

..., Fire as an agent in rock weathering: Jour. Geology, v. 35, p. 134-140. BLACKWELDER, ELIOT, 1933, The insolation hypothesis of rock weathering: Am...

1964

Abstract: Overview of Pre-Tertiary Hydrocarbon Potential, Onshore and Offshore Peninsular Malaysia (Paper 4)

Sahalan Abd Aziz, H. D. Tjia, Abd Rahman Eusoff, Jamaal Hoesni, Mohd Idrus Ismail, Liew Kit Kong

Geological Society of Malaysia (GSM)

... in offshore Peninsular Malaysia. It is also believed that hard seismic reflections at pre-Tertiary top is weathering effect, as opposed to top surface...

1995

Geology and Oil-Gas Potential of the Karatau Structural Complex

V. A. Romanov, K. S. Yarullin, V. K. Utoplennikov

Petroleum Geology: A Digest of Russian Literature

... of this Karatau overthrust appears to dip to the south and southeast at 2.5-40°. The western edge of the Vorob’inogor anticline is similar in character...

1979

Abstract: Geochemistry of the Three Mile Plains uranium deposit, Nova Scotia

Pizye Nankamba, Cliff Stanley, Elizabeth Kosters

Atlantic Geology

... rocks have undergone a complex history of oxidation, due to the influx of oxidized water, possibly during intense weathering episodes, and reduction...

2009

Abstract: Why REE?

Andrew Kerr, George Simandl

Atlantic Geology

..., and residual (lateritic) placers that are generally derived by deep weathering of primary carbonatites. “Ion-adsorption clays” are residual deposits...

2011

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