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Showing 3,548 Results. Searched 196,763 documents.
Continental Sediments of Miocene Age in Puget Sound Lowland, Washington: GEOLOGICAL NOTES
D. R. Mullineaux, L. M. Gard, D. R. Crandell
AAPG Bulletin
... of volcanic ash, one of which is as much as 1.3 feet thick. Pebble counts of the gravel indicate derivation chiefly from the Keechelus andesitic series...
1959
Uranium and Thorium in Selected Quaternary Volcanic Rocks of Guatemala and Sumatra: Evidence for Uranium Redistribution
William I. Rose Jr., Theodore J. Bornhorst
AAPG Special Volumes
... to have been particularly susceptible to U loss. Derivation of a meaningful age from the U-Th isotopic data is not possible. Santa Maria Volcano...
1981
3.4 Detached Sediments: 3.4.2 Decollement Tectonics (B-Subduction) and Active Margins: Summary of the Geology of the Makran Coast
J. C. Harms, H. N. Cappel, D. C. Francis, and T. J. Shackelford
AAPG Special Volumes
... are present. Isotopically the gas contains relatively heavy carbon. These characteristics of the hydrocarbons certainly suggest derivation from thermally...
1983
Continental Shelf Sediments: Part 4. Near-Shore Sediments--Hemipelagic Deposits
Francis P. Shepard
AAPG Special Volumes
.... However, more data are required before the movement of coarse material during large storms can be ascertained. The alternative idea of the derivation...
1939
Pleistocene Berclair Terrace of Medio Creek, Bee County, Texas
James E. Conkin , Barbara M. Conkin
AAPG Bulletin
... derivation from the Albian limestone (in this case Washita to Trinity) of the Lower Cretaceous (Conkin and Conkin, 1956). Reworked and silicified small...
1962
Fluvial Abrasion: Converting Size Reduction Coefficients into Weight Reduction Rates
Matjaz Mikos
Journal of Sedimentary Research (SEPM)
... aw of a size interval, the values for b should be known. Following the derivation of the size-mass balance equation for batch grinding (Menacho 1986...
1995
Baldness of Bedding Surface
F. W. Beales
AAPG Bulletin
... derivation. Contemporary sea floor under which this sediment accumulated is reconstructed as one densely populated with thriving bottom community that probably...
1963
Development of Clay Mineral Zones During Deltaic Migration
George M. Griffin , Blair S. Parrott
AAPG Bulletin
...). End_Page 57------------------------------ The 15 A/7 A ratio is now compared with the known derivation and geologic history of subsurface Recent...
1964
Significance of High-Wax Oils with Respect to Genesis of Petroleum
Hollis D. Hedberg
AAPG Bulletin
... approximate the range of carbon chain lengths in naturally occurring waxes. This proposed wax derivation agrees with its supposed non-marine origin...
1968
Age Dating of Muscovites from Pennsylvanian Sandstones near Wamego, Kansas: GEOLOGICAL NOTES
D. G. Brookins , J. D. Voss
AAPG Bulletin
... mineralogy, and heavy-mineral suites. However, the ages indicate either direct or indirect derivation from a Middle to Lower Devonian source, none...
1970
Stratigraphy and Petroleum Prospects of Southwestern Cebu, Philippines: GEOLOGIC NOTES
Robert A. Sheldon
AAPG Bulletin
... in the Philippines. The quartz grains are angular to sub-angular and suggest derivation from a nearby source. Dacites have been reported from the area between...
1973
Redefinition of Cenozoic Stratigraphic Column in Split Mountain Gorge, Imperial Valley, California: GEOLOGIC NOTES
Geoffrey D. Woodard
AAPG Bulletin
.... This interval also was marked by derivation of coarse clastic strata resulting from uplift and erosion of the adjacent Peninsular Range province along...
1974
Distribution of Nubian Sandstone Formation in Sudan and Vicinity: GEOLOGIC NOTES
J. R. Vail
AAPG Bulletin
... from the south or southeast, across the entire width of End_Page 1028------------------------------ Sudan. Presumably this would imply derivation...
1974
Allochthonous Carbonate Debris in Mesozoic Flysch Deposits in Santa Ana Mountains, California
Andrew I. Moran
AAPG Bulletin
... constituents indicate derivation from a marine shelf on the east. The well-cemented clasts which also contain shallow-water fossils may indicate an older...
1976
Distribution of Hydrocarbons Between Oils and Associated Fine-Grained Sedimentary Rocks--Physical Chemistry Applied to Petroleum Geochemistry, II
Allen Young, Richard D. McIver
AAPG Bulletin
..., that a gas phase is present in the subsurface. The derivation of equation 11 is given in Appendix A, the technique used for measuring the absorbing...
1977
Two Oil Types on North Slope of Alaska--Implications for Exploration
Leslie B. Magoon , George E. Claypool
AAPG Bulletin
...) and biodegraded oils (no. 28) of Barrow-Prudhoe type. End_Page 650------------------------------ of the Barrow-Prudhoe type suggest derivation from...
1981
Link Between Aluminum Mobility and Destruction of Secondary Porosity: GEOLOGIC NOTES
C. D. Curtis
AAPG Bulletin
... that bicarbonate of organic derivation is present in oil-field waters. Once acids are introduced, both mineral decomposition and solute transport logically follow...
1983
Interpretation of Discontinuous Vitrinite Reflectance Profiles
B. J. Katz , R. N. Pheifer , D. J. Schunk
AAPG Bulletin
..., Vitrinite reflectance and the derivation of heat flow changes in time, in M. Bjoroy, ed., Advances in organic geochemistry, v. 10, London, Wiley Heyden...
1988
Comments on Calculation of Diffusion Coefficients from Hydrocarbon Concentration Profiles in Rocks: GEOLOGIC NOTE
Michele Moisio Thomas
AAPG Bulletin
.../L) of the solute. Details of this derivation are given in Appendix 1. I used the aqueous solubilities of n-alkanes (McAuliffe, 1966) to calculate...
1989
Distribution and Generation of the Overpressure System, Eastern Delaware Basin, Western Texas and Southern New Mexico: DISCUSSION AND REPLY
Richard E. Swarbrick
AAPG Bulletin
... by normally pressured reservoirs, is consistent with derivation of the overpressure from within this section; e.g., by hydrocarbon generation. However...
1995
Estimating Average Fracture Spacing in Subsurface Rock
Wayne Narr
AAPG Bulletin
... the fractures. Although the correction is negligible under most situations, as it is with these data, a corrected derivation of the fracture spacing...
1996
Reservoir quality, textural evolution, and origin of fault-associated dolomites
Moyra E. J. Wilson, Martin J. Evans, Norman H. Oxtoby, Dharma Satria Nas, Terry Donnelly, Matthew Thirlwall
AAPG Bulletin
... to 206 Ma, with look-up table for derivation of numeric age: Journal of Geology, v. 105, p. 441456.Howes, J. V. C., 1997, Petroleum resources...
2007
Stratigraphy and U-Pb detrital zircon geochronology of Wrangel Island, Russia: Implications for Arctic paleogeography
E. L. Miller, G. E. Gehrels, V. Pease, S. Sokolov
AAPG Bulletin
... of the section, together with the age of the zircons, indicates local derivation of these sandstones mostly from plutonic rocks similar to those present beneath...
2010
A comparative study of reservoir modeling techniques and their impact on predicted performance of fluvial-dominated deltaic reservoirs: Reply
Peter E. K. Deveugle, Matthew D. Jackson, and Gary J. Hampson
AAPG Bulletin
..., and it may be propagated into well conditioning of seismic data and subsequent probability cube derivation. Deveugle et al. (2014) demonstrate...
2018
ABSTRACT: Diagenetic Controls upon the Quality of Giant Gas Reservoirs of Brazilian Amazonia; #90007 (2002)
Elias, Andreia R.D., Luiz F. de Ros, Alexandre J.M. Figueiras, Sylvia M.C. Anjos
Search and Discovery.com
... cementation and mudstone layers, which occur at sequence limits, indicating a direct derivation of ions from these interbedded lithologies. Added...
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