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The AAPG/Datapages Combined Publications Database
Showing 3,219 Results. Searched 200,636 documents.
Sediment Dispersal Pattern Off an Eroding Delta on the West Coast of Taiwan
James T. Liu, Ray T. Hsu, Jeong-Shang Huang, Shenn-Yu Chao
Special Publications of SEPM
... of an empirical formulation for spherical quartz particles given by Gibbs et al. (1971). Boundary Conditions On the north and south open boundaries...
2003
Pore Networks in Holocene Carbonate Sediments
Paul Enos, L. H. Sawatsky
Journal of Sedimentary Research (SEPM)
.... The porosities are near the upper limit (about 48%) expected in spherical particles with minimum packing (Graton and Frazer, 1935; Beard and Weyl...
1981
Deformation of Earth's Lithosphere with Reference to Tidal Couples
R. C. Bostrom, M. A. Sherif, R. H. Stockman
AAPG Special Volumes
.... The tidal potential U of the moon (Slichter, 1971) may be expressed as a series of solid spherical harmonics of degree not less than two: [EQUATION...
1974
Nuclear-Explosion Petroleum-Stimulation Projects, United States and USSR
Maurice J. Terman
AAPG Bulletin
.... The exploratory and emplacement work culminates with an explosion which creates a spherical cavity by vaporizing the enclosing rock at extremely...
1973
Structural Model of Large Part of the Earth
Wallis S. Hamilton
AAPG Bulletin
... that concerns us was composed of spherical layers. Then, during its history, unknown movements of the interior boundaries of the region caused...
1962
Sedimentology of the Late Devonian and Early Mississippian Bakken Formation, Williston Basin
Mark G. Smith, R. Marc Bustin
Williston Basin Symposium
..., Sr and St consists primarily of well sorted, sub-angular to sub-rounded, moderately spherical, very fine- to fine-grained...
1995
Solids Control — The Key to Drilling Economics
Jerry E. Haston
Indonesian Petroleum Association
... oriented. However, inert particles such as barite or silt which are essentially spherical in shape cause the viscosity to increase but the resulting...
1977
Mesozoic Stratigraphy of Canyonlands National Park and Adjacent Areas
C. M. Molenaar
Four Corners Geological Society
... salt flowage in and adjacent to the salt structures where the thickness of the Moenkopi ranges from zero to in excess of 2500 feet in the subsurface...
1971
A Summary of the Geology of Wilson County, Kansas
Holly C. Wagner
Kansas Geological Society
... out as chains of small spherical-shaped bodies or as separated spheres. The Spring Hill Limestone Member is the thickest member of the Plattsburg...
1962
The Sedimentation and Petrography of the Lower Calvin Sandstone of Hughes County, Oklahoma
Laddie Burl McDade
Tulsa Geological Society
... and drying, a suitable portion of both the heavy and light mineral fractions was permanently mounted in Canada balsam, and the excess mineral grains...
1953
Hydrogeochemistry of the Northern Yucatan Peninsula, Mexico with A Section on Mayan Water Practices
William Back, Bruce B. Hanshaw
New Orleans Geological Society
... this possibility. To get to the ruins of Uxmal, about 80 km south of Merida, one drives over the Sierrita de Ticul at an elevation in excess of 50 m. The Sierrita...
1978
Application of Nuclear Spectrometry to Formation Geochemical Evaluation
G. Mathieu, J. Roestenburg
Indonesian Petroleum Association
..., S, Ti, K, and a quantity corresponding to excess iron (related to the presence of chlorite or heavy minerals), and the amount of crystal water...
1988
Altered Paleozoic Volcanic Materials and Their Recognition
Clarence S. Ross
AAPG Bulletin
... normally has about the indices of refraction ^agr = about 1.49, ß = about 1.51, but an excess of alkalies or a loss of water will raise the indices...
1928
Chapter 3
Mark W. Longman
AAPG Special Volumes
...% whereas in rocks composed of spherical grains (ooids, etc.) with no cement or matrix it averages 55% or more, according to the work of Wardlaw and Cassan...
1981
Analyzing Beef Fractures: Genesis and Relationship With Organic-Rich Shale Facies
Mohammed Al Duhailan, Steve Sonnenberg, Mark Longman
Unconventional Resources Technology Conference (URTEC)
.... For the macroscopic morphology, veins with different flat, spherical or lenticular shapes are mostly related to either some hard objects as in pressure fringes...
2015
Nonmarine Sedimentation in an Active Fore Arc Basin
Richard K. Vessell, David K. Davies
Special Publications of SEPM
... facies volcaniclastic sedi to clay size crystals and glass Most spherical and average particle roundness Individual breccia beds are highly vari...
1981
Water and Oil Relative Permeability of Middle Bakken Formation: Experiments and Numerical Modeling
Younki Cho, Ilkay Uzun, Erdinc Eker, Xiaolong Yin, Hossein Kazemi
Unconventional Resources Technology Conference (URTEC)
... the assumption of spherical particle volume in 1 gram using the density of 2.71 g/cc. The relative permeability is dependent on the fluid properties (i.e....
2016
Geometrical Analysis and Deformational Environment of Minor Asymmetrical Folds, Southern Quitman Mountains, Western Trans-Pecos Texas
Craig W. Adams, Donald F. Reaser
West Texas Geological Society
...). The upper part of the evaporite served as a regional basal shearing plane. Tectonic transport, in excess of 48 km, was eastward and northeastward from...
1985
Climate Model Prediction of Paleoproductivity and Potential Source-Rock Distribution: Chapter 13
Eddy Kruijs, Eric Barron
AAPG Special Volumes
... to compute wind-driven upwelling, or more appropriately the divergence of the Ekman transport, using the following formula for a spherical coordinate...
1990
Carbonate-Cemented Zones in the Lower Tuscaloosa Formation (Upper Cretaceous), Southwestern Mississippi
Lisa L. Minter , Christopher P. Cameron , Andrew R. Thomas , William C. Ward
GCAGS Transactions
...-dip trend is well in excess of 100 million bbl of oil (15.5 million m3). Regionally, the Lower Tuscaloosa Formation dips gently to the southwest...
1992
Distinguishing between Beach and Dune Sands
Francis P. Shepard, Ruth Young
Journal of Sedimentary Research (SEPM)
... by the wind into the dune. On the other hand, thin platy grains like mica are more easily transported than spherical grains once they have been dislodged...
1961
Petrologic Character of a Morrowan Sandstone Reservoir, Lexington Field, Clark County, Kansas
Martin Emery, Peter G. Sutterlin
Rocky Mountain Association of Geologists
... diffraction (XRD) analysis indicates that both calcite and ankerite are present. Ankerite ranges from approximately 20% to in excess of 80% of carbonate...
1989
Petrography and Origin of Permian Mccloud Limestone of Northern California
Ferruh Demirmen, John W. Harbaugh
Journal of Sedimentary Research (SEPM)
... of excess CO2. If the released CO2 escaped, the confining pressure would have been relatively small and the original calcitic material would have...
1965
Silica Diagenesis in Upper Jurassic Limestones of Southern England
R. C. L. Wilson
Journal of Sedimentary Research (SEPM)
... of allochems, and/or, micrite. Concentric or radial structures are not preserved as inclusion ghosts within spherical silicified allochems...
1966
Early Diagenesis of Clay Minerals, Rio Ameca Basin, Mexico
James I. Drever
Journal of Sedimentary Research (SEPM)
... in distilled water and the less than 2µ equivalent spherical diameter fraction was separated by settling and decantation. No hydrogen peroxide or other...
1971