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The AAPG/Datapages Combined Publications Database
Showing 11,106 Results. Searched 200,641 documents.
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