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The AAPG/Datapages Combined Publications Database
Showing 11,103 Results. Searched 200,616 documents.
3D-9C seismic survey for direct S-wave processing and interpretation
Rui Zhang, Zhiwen Deng, Yuanyuan Yue, Yan Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... the strong near surface weathering layer, which necessitated the application of surface statistics. The dispersion curve analysis shown in Figure 6...
2022
Abstract: Groundwater Investigation: Fundamental and Application
Stefan Herwig Gödeke
Geological Society of Malaysia (GSM)
... Society of Malaysia Characterizing weathering profiles in Peninsular Malaysia Dr John Kuna Raj Date: 15 March 2023 Platform: Zoom The above talk...
2023
Origin of Red-Banded Early Cenozoic Deposits in Rocky Mountain Region
F. B. Van Houten
AAPG Bulletin
... to note that in soils of poorly drained regions, where ferrous compounds are common, oxides of manganese commonly accumulate near the surface (Robinson...
1948
Drill-Core and Geophysical Investigation of the Western Part of the Crystalline Rim, Wetumpka Impact Structure, Alabama
Pascual Tabares, David T. King, Jr., Jens Ormö
GCAGS Transactions
... of the rim, near the drill site, which reveals crystalline rim rock fractures in a detailed way; and maps and cross-sections derived from light detection...
2013
Abstract: X-Ray diffraction results from the weathering zone above the Bisha volcanic-hosted massive sulphide deposit, Eritrea
Kacper Halama, Cliff Stanley
Atlantic Geology
...Abstract: X-Ray diffraction results from the weathering zone above the Bisha volcanic-hosted massive sulphide deposit, Eritrea Kacper Halama, Cliff...
2011
Abstract: X-ray diffraction results from the weathering zone above the Bisha volcanic hosted massive sulphide deposit, Eritrea
Kacper Halama, Cliff Stanley
Atlantic Geology
...Abstract: X-ray diffraction results from the weathering zone above the Bisha volcanic hosted massive sulphide deposit, Eritrea Kacper Halama, Cliff...
2012
Detrital Opaque Oxides as Provenance Indicators in River Nile Sediments
Jill Stephanie Schneiderman
Journal of Sedimentary Research (SEPM)
..., p. 1579-1597. JOHNSSON, M.J., STALLARD, R.F., AND LUNDBERG, N., 1991, Controls on the composition of fluvial sands from a tropical weathering...
1995
Part II: Quaternary Geology of Northeastern Yucatan Peninsula
W. C. Ward
New Orleans Geological Society
.... Harrison, R. S., 1974, Near-surface subaerial diagenesis of Pleistocene carbonates, Barbados, West Indies: unpub. Ph.D. dissert., Brown University, 332 p...
1985
MULTIPLE GLACIATION IN THE MADISON AND GALLATIN RANGES, SOUTHWESTERN MONTANA
WILLIAM B. HALL
Montana Geological Society
... near it at the mouth of the canyon. The entire spur may not drift, but at least its upper surface is thickly mantled by it. This spur...
1960
URANIUM METALLOGENESIS AND ITS SIGNIFICANCE TO EXPLORATION IN THE ATHABASCA BASIN
J. Hoeve and T.I.I. Sibbald
Saskatchewan Geological Society
... reject near surface supergene and magmatic-metamorphic-hydrothermal concepts in favour of a diagenetic-hydrothermal model. The Athabasca Basin deposits...
1978
Geochemical Analysis of the Carbonate-Evaporite Miocene Outcrops in the Cyrenaica Region of Libya: Cyrenaica Platform and Sirt Basin
Khaled S. Amrouni, Osama Rahil Shaltami, Ahmed S. El-Hawat, Michael C. Pope, Aimen Amer, Essa A. Elbileikia, Hassan S. El-Bargathi, Adel A. Obeidi, Khalid A. M. Mustafa, Ahmed M. A. Al-Alwani, Mohamed SH. Abdalla El-Jahmi, Salah S. Abdelsalam El-Ekhfifi, Matthew P. Wehner
GCAGS Transactions
... suboxic to oxic conditions. Uranium is mainly fractionated from Th in the near surface environment (Whittaker and Kyser, 1993), is mobilized as U+6...
2018
Quaternary Geology of Tulsa County, Oklahoma
John E. Stone, Allan P. Bennison, Douglas C. Kent
Tulsa Geological Society
... terrace (for the surface at an elevation of 740 feet in the vicinity of the intersection of Yale Avenue and 111th Street, South) and the Newblock Park...
1972
ABSTRACT: GEOCHEMICAL FEATURES OF RARE EARTH ELEMENTS IN THE PROCESS OF COAL GANGUE WEATHERING AND SOIL FORMATION
Juanjuan Li, Yuegang Tang, Xiaole Shi, Jintao Ma
The Society for Organic Petrology (TSOP)
...ABSTRACT: GEOCHEMICAL FEATURES OF RARE EARTH ELEMENTS IN THE PROCESS OF COAL GANGUE WEATHERING AND SOIL FORMATION Juanjuan Li, Yuegang Tang, Xiaole...
2006
Calcic Vertisols in the upper Daptocephalus Assemblage Zone, Balfour Formation, Karoo Basin, South Africa: Implications for Late Permian Climate
Robert A. Gastaldo, Kaci Kus,, Neil Tabor, Johann Neveling
Journal of Sedimentary Research (SEPM)
... of a higher local or regional water table, and formation of a near-surface Bkss horizon. Under these conditions, slickensides develop in association...
2020
Geology of the Eastern End of the Uinta Mountains, Utah-Colorado
G.E. and B.R. Untermann
Rocky Mountain Association of Geologists
... deposited sediments from pre-Cambrian to late Cretaceous time. Folding and elevation was initiated near the close of the Cretaceous period, resulting...
1955
The Kuantan Basalts - A Multi-Vent Origin
J. K. Raj
Geological Society of Malaysia (GSM)
... was probably near Bt. Tinggi (at an elevation of 138 m above sea level); this being the highest point where the basalts were found. Bignell (1972...
1990
Surface sediment hydrocarbons as indicators of subsurface hydrocarbons: Field calibration of existing and new surface geochemistry methods in the Marco Polo area, Gulf of Mexico
Michael A. Abrams, Nicola F. Dahdah
AAPG Bulletin
..., and analyze near-surface migrated hydrocarbons from marine sediments to evaluate subsurface petroleum generation and entrapment. Few have been...
2011
Environment of Pennsylvanian Life in North America
Raymond C. Moore
AAPG Bulletin
..., or possibly restricted in life to the near-surface better aerated water. At all events, the conodonts are definitely associated with this particular...
1929
Seasonal Pattern In the High-Elevation Fluvial Travertine From the Jiuzhaigou National Nature Reserve, Sichuan, Southwestern China
Stefano Lugli, Ya Tang, Matteo Reghizzi, Xue Qiao, B. Charlotte Schreiber, Guiping Deng
Journal of Sedimentary Research (SEPM)
... filling is then sealed by the new travertine deposition. In this high-elevation setting the winter weathering produces more severe degradation...
2017
Environmental and microbial influence on chemistry and dolomite formation in an ancient lake, Green River Formation (Eocene), Uinta basin, Utah, U.S.A.
Maxwell Pommer,, J. Frederick Sarg, Forrest McFarlin
Journal of Sedimentary Research (SEPM)
.... These indicate that lake chemistry, microbial processes, and organic matter (OM) strongly influenced dolomite formation in near-surface environments...
2023
Geology of Cancun, Quintana Roo, Mexico
Wm. G. Thorsen
West Texas Geological Society
... to several cm thick are well developed on the weathering surface of the south point of the island. These crusts include massive and thinly laminated...
1979
Ibexian: A Unique Interval in the Ordovician
William B. N. Berry
Pacific Section SEPM
... degrees North Latitude was ocean. Accordingly, ocean surface circulation was zonal. Little opportunity existed for mixing cooler northern hemisphere...
1995
Lithostratigraphy and Petrology of Neogene and Pleistocene Sedimentary Rocks, South-Central Mississippi
Zebao Li , Maurice A. Meylan
GCAGS Transactions
... might be confused with them. Weathering can produce a variety of coloration on the surface of outcrops of any unit, but only fresher exposures...
1994
Clay Mineralogy of Pennsylvanian Redbeds and Associated Rocks Flanking Ancestral Front Range of Central Colorado
Omer B. Raup
AAPG Bulletin
.... Wahlstrom, E. E., 1948, Pre-Fountain and recent weathering on Flagstaff Mountain near Boulder, Colorado: Geol. Soc. America Bull., v. 59, p. 1173-1189...
1966
The Southern Washington Cascades Conductor--A Previously Unrecognized Thick Sedimentary Sequence? (1)
W. D. STANLEY , W. J. GWILLIAM , GARY LATHAM , and KEITH WESTHUSING
AAPG Bulletin
... near the surface. These anticlines have recently been imaged in detail with seismic reflection surveys. The conductive rocks have also been traced...
1992