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The AAPG/Datapages Combined Publications Database
Showing 10,864 Results. Searched 196,436 documents.
Petrography and Diagenesis of Silcrete from the Kalahari Basin And Cape Coastal Zone, Southern Africa
M. A. Summerfield
Journal of Sedimentary Research (SEPM)
... silcrete) (Frankel, 1952; Frankel and Kent, 1938; Mountain, 1951, 1980; Summerfield, 1981). It is found both overlying and at depth within weathering...
1983
Chapter 12: Increasing Interpreter Capability in Structurally Complex Settings through Combined Fieldwork, Interpretation, and Geocellular Modeling
John G. Solum, Stephen J. Jolley, Benjamin D. Meyer
AAPG Special Volumes
... proficient interpreters. This can have expensive consequences, including poor models of dynamic flow in reservoirs, erroneous calculations of reserves...
2016
Transport and Deposition of Resedimented Conglomerates: The Cap Enrage Formation, Cambro-ordovician, Gaspe, Quebec
Ian C. Davies, Roger G. Walker
Journal of Sedimentary Research (SEPM)
... portion, but with bed load movement becoming increasingly important upward. Calculations suggest that granule layers 10 cm thick and 15 m long may...
1974
The Geometry and Thickness of Deformation-band Fault Core and its Influence on Sealing Characteristics of Deformation-band Fault Zones
Z. K. Shipton, J. P. Evans, L. B. Thompson
AAPG Special Volumes
... is not simply related to surface weathering, and slip surfaces can have high along-fault permeability at depth. The reduction of porosity...
2005
La Brea-Parinas Oil Field, Northwestern Peru
Russell B. Travis
AAPG Bulletin
..., based on volumetric calculations for total oil in place, is a recovery of 62.9 per cent. BOSWORTH, T. O., 1922, Geology of the Tertiary...
1953
Diagenetic Transformation of Dolomite into Stevensite in Lacustrine Sediments from Jbel Rhassoul, Morocco
Azeddine Chahi , Philippe Duringer , Mohamed Ais , Mohamed Bouabdelli , Francois Gauthier-Lafaye , Bertrand Fritz
Journal of Sedimentary Research (SEPM)
... sedimentary dolomite and the diagenetic formation of secondary stevensite. According to thermodynamic calculations, stevensite is stable at the expense...
1999
Characterization of deformation bands associated with normal and reverse stress states in the Navajo Sandstone, Utah
John G. Solum, J. P. Brandenburg, Stephen J. Naruk, Olga V. Kostenko, Scott J. Wilkins, Richard A. Schultz
AAPG Bulletin
... to weathering (similar to the flying pancakes of Davis, 1999). In addition to providing a unique view of deformed Navajo Sandstone, Buckskin Gulch is one...
2010
Continental-Scale Magmatic Carbon Dioxide Seepage Recorded by Dawsonite in the Bowen-Gunnedah-Sydney Basin System, Eastern Australia
Julian C. Baker ,, Guo P. Bai , P. Joe Hamilton , Suzanne D. Golding , Jock B. Keene
Journal of Sedimentary Research (SEPM)
... Wales: Australian Petroleum Exploration Association, v. 28, p. 218-241. HAY, R.L., 1963, Zeolitic weathering in Olduvai Gorge, Tanganyika: Geological...
1995
Dissolution of Granitic Sand by pH-Buffered Carboxylic Acids: A Flow-Through Experimental Study at 100 degrees C and 345 Bars (1)
CHRISTY L. REED and ANDREW HAJASH, JR.
AAPG Bulletin
.... 37-46. Huang, W. H., and W. D. Keller, 1970, Dissolution of rock-forming silicate minerals in organic acids: simulated first-stage weathering of fresh...
1992
Montana Group Stratigraphy, Lewis and Clark County, Montana
George W. Viele , Frank G. Harris, III
AAPG Bulletin
... shale, interstratified with nodular-weathering beds of limestone and thin beds of calcareous mudstone, form the thickest sedimentary units. Thin beds...
1965
The Middle Proterozoic Purcell Supergroup in the Southwestern Rocky and Southeastern Purcell Mountains, British Columbia and the Initiation of the Cordilleran Miogeocline, Southern Canada and Adjacent United States
Margaret E. McMechan
CSPG Bulletin
... weathering grey siltite and dark grey argillite are the characteristic rock types. In the southern Purcell Mountains the Aldridge Formation can be subdivided...
1981
REDBEDS IN UPPER POTTSVILLE FORMATION, NORTHEASTERN COOSA COALFIELD, COOK SPRINGS, ST. CLAIR COUNTY, ALABAMA
Denny N. Bearce, Laura Kassaw
Alabama Geological Society
... originated from either, or a combination of, tectonic stress and spheroidal weathering. The clay-filled fractures suggest soil formation on a chemically...
1999
Colorado Shale of Central and Northwestern Montana and Equivalent Rocks of Black Hills
W. A. Cobban
AAPG Bulletin
... SANDSTONE AND EQUIVALENT ROCKS Northern Black Hills: Fine-grained, flaggy, tan-weathering quartz sandstone characterizes the Fall River sandstone...
1951
Facies Relationships, Alluvial Architecture, and Paleohydrology of a Paleogene, Humid-tropical Alluvial-fan System: Chumstick Formation, Washington State, U.S.A.
James E. Evans
Journal of Sedimentary Research (SEPM)
... depth. TABLE 5. Paleohydraulic calculations, Chumstick Formation End_Page 752------------------------ humid-tropical alluvial fans in New Guinea...
1991
Origin of Remanent Magnetization in Dolomite from the Monterey Formation
J. Scott Hornafius
Pacific Section SEPM
... as weathering at the outcrop during the Recent. The detrital origin of the primary magnetite is suggested by a positive correlation between the IRM...
1984
Integrated Subsurface and Outcrop Sedimentological, Mineralogical, and Geochemical Characterization of Late Cretaceous Mancos Shale, SouthwesternPiceance Basin, Southern Douglas Creek Arch, and Southeastern Uinta Basin, Colorado and Utah
Rex Cole, William Hood
Unconventional Resources Technology Conference (URTEC)
... is the responsibility of, and, is subject to corrections by the author(s). Any person or entity that relies on any information obtained from this paper does...
2014
The Radiation and Dispersal of Agnatha in Early Devonian Time
D. L. Dineley
CSPG Special Publications
... cladistic methods in reaching his conclusions. His treatment of the subjects is convincing. Continental corrections and inter- continental barriers...
1988
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... the relationship between velocity with time and space, the output from tomography plays a crucial role to align data between time and depth domain...
2022
Mantle Indicator Minerals in Ant Mounds and Conglomerates of the Southern Green River Basin, Wyoming
T. E. McCandless, W. P. Nash, W. Dan Hausel
Wyoming Geological Association
...), and a similar situation was initially considered for Pogonomyrmex occidentalis. However, soil auger samples 2-6 m in depth taken near the ant mounds revealed...
1995
Whole-rock geochemistry and heavy mineral analysis as petroleum exploration tools in the Bowser and Sustut basins, British Columbia, Canada
K.T. Ratcliffe, A.C. Morton, D.H. Ritcey, C.A. Evenchick
CSPG Bulletin
... of field samples from frontier basins. The approach in mature petroleum settings is generally to use well cuttings that, by their depth-related nature...
2007
Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration
W. C. Krumbein
AAPG Bulletin
..._Page 1516------------------------------ "weathering layer," and k is a parameter which controls the rate of velocity change with depth. The initial...
1951
History of Burial Diagenesis Determined from Isotopic Geochemistry, Frio Formation, Brazoria County, Texas
K. L. Milliken , L. S. Land , R. G. Loucks
AAPG Bulletin
... weathering conditions: Geochim. et Cosmochim. Acta, v. 42, p. 1517-1522. Clayton, R. N., L. J. Muffler, and D. E. White, 1968, Oxygen isotope study...
1981
Use of spectral gamma-ray signature to interpret stratigraphic surfaces in carbonate strata: An example from the Finnmark carbonate platform (Carboniferous-Permian), Barents Sea
S. N. Ehrenberg, T. A. Svånå
AAPG Bulletin
... to accurate correction between core depth (CD) and log depth (LD). These corrections are substantial in many places, and one 16 m interval of the core...
2001
A Linkage Among Pangean Tectonism, Cyclic Alluviation, Climate Change, and Biologic Turnover in the Late Triassic: The Record from The Chinle Formation, Southwestern United States
Stacy C. Atchley, Lee C. Nordt, Stephen I. Dworkin, Jahandar Ramezani, William G. Parker, Sidney R. Ash, Samuel A. Bowring
Journal of Sedimentary Research (SEPM)
.... 2039– 2053. Nordt, L., and Driese, S., 2010, New weathering index improves rainfall estimates for paleo-Vertisols: Geology, v. 38, p. 407– 410. Nordt...
2013
Major ion chemistry and identification of hydrogeochemical processes of ground water in a part of Kancheepuram district, Tamil Nadu, India
E. Lakshmanan, R. Kannan, M. Senthil Kumar
Environmental Geosciences (DEG)
..., ion-exchange processes, silicate weathering, and mixing of aerosols are responsible for the ground-water chemistry of the study area. Identified...
2003