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The AAPG/Datapages Combined Publications Database
Showing 10,230 Results. Searched 200,357 documents.
Geometry of the Wind River Thrust, Wyoming
Robert R. Berg
Rocky Mountain Association of Geologists
... a broadly Curved, convex-downward surface. Seismic data also show strong focal curvatures that produce a scalloped pattern in the leading edge...
1983
A Survey of Southeastern Utah Uranium Districts
William Lee Stokes
Utah Geological Association
... is a collapsed pipe-like area 500 to 2000 feet in plan, extending downward to the Coconino Sandstone and involving formations up to and including the Navajo...
1967
Settling of Spheres
Gerard Middleton, John B. Southard
Special Publications of SEPM
... will soon arise, and Chapter 3 is therefore devoted to several important topics in fluid flow. Chapter 4 is a continuation of material on settling...
1984
Magnetic Vector Study of Regional and Local Geologic Structure in Principal Oil States
W. P. Jenny
AAPG Bulletin
... in Figure 1. Above the negative poles the magnetic intensity is directed perpendicularly downward toward the poles (positive vector). Above the positive...
1932
Nature of the Cenozoic-Mesozoic Contact in Sevier Valley and Tectonic Implications
Eric J. Cline, John M. Bartley
Utah Geological Association
... and by downward termination of Cenozoic strata and faults at the contact. The absence of a contractional toe, and mapped continuity of the contact...
2007
Frontal Wichita Fault System of Southwestern Oklahoma
Bruce H. Harlton
AAPG Bulletin
... western end of the core and its eastern continuation are notable for broad belts of metasedimentary rocks, for volcanism along their axes, and for granitic...
1963
Chapter 23: Crustal Structure and Geologic History of the Espino Rift, Venezuela, Based on Potential Fields, Seismic Reflection, and Well Data
Lourdes Rodriguez, Paul Mann, Stuart Hall
AAPG Special Volumes
... symmetrical variable (Oasis Montaj 8.5.5 Manual, 2015). The downward continuation is fixed below the original observation level, and it is used to enhance...
2021
Continental Subduction in the Northern U.S. Rockies - A Model for Back-Arc Thrusting in the Western Cordillera
Robert Scholten
Rocky Mountain Association of Geologists
... - A MODEL FOR BACK-ARC THRUSTING of Figure . and whose continuation along strike is the Cabin thrust, mapped farther south in the range by Scholten...
1982
Geologic History of North and Northeastern Brazilian Margin: Controls Imposed by Seafloor Spreading on the Continental Structures
N. Kumar
CSPG Special Publications
... controlled by oceanic fracture zones and their continuation into the continental margin. As described later, the Recife-Joao Pessoa and the Ceara basins...
1981
Interpretation of High Resolution Seismic Data from a Geologically Complex Continental Margin, Northern Gulf of Mexico
Carol Lutken, Allen Lowrie, Erika Geresi, Richard Bennett, Richard Faas, Bradley Battista, Tom McGee
GCAGS Transactions
... west to east and is a continuation of northeastward trending line 32. The shallowest portion of this line is characterized by an absence...
2003
Oil Fields of West Buchivacoa, Venezuela
G. W. Halse
AAPG Bulletin
.... There are fairly extensive seepages of oil and pitch at Quiros on the westward continuation of the Vega Oscura anticline, but they are just outside...
1947
The Origin of Stylolites
B. M. Shaub
Journal of Sedimentary Research (SEPM)
.... EATON, AMOS, 1824, Report on the district adjoining the Erie Canal: Geology of New York, 134. 5. BONNEYCASTLE, R. H., 1831, Continuation of the essay...
1939
North American Drilling Activity in 1970
Charles F. Iglehart , Fred A. Dix, Jr.
AAPG Bulletin
... of a decline extending for 15 or more years. In the case of exploratory drilling, the decline represents the continuation of a downward trend since 1956...
1971
Oil-Gas-Bearing Capability of the Devonian, Carboniferous, and Permian Sediments of the Orenburg District
M. F. Svishchev
Petroleum Geology: A Digest of Russian Literature
... of the Samarkin region and in the northwest part of the Tok-Kinel region; the latter is an eastern continuation of the known Kinel-Cherkas oil region...
1958
Australian Exploration Review 2020
Ian Cockerill
Australian Petroleum Production & Exploration Association (APPEA) Journal
... exploration drilling in the North Perth Basin and a continuation of drilling and testing of the unconventional plays in the Beetaloo Sub-basin. Keywords...
2021
South Mangyshlak–Large New Oil Region
B. F. D’yakov, N. U. Imashev, K. V. Kruchinin, A. B. Kogan, V. V. Kozmodem’yanskiy, V. P. Tokarev, N. K. Trifonov, N. N. Cherepanov, R. I. Vyalova
Petroleum Geology: A Digest of Russian Literature
... of the Caspian Sea where it joins with a continuation of the Tersko-Kuma downwarp. Thus, the South Mangyshlak downwarp is the eastern part of the Middle...
1961
Photoelastic Model Studies of Thrust Fault Initiation
J. J. Gallagher Jr., W. D. Rizer
Wyoming Geological Association
... of the implications of the work to fracture initiation, fracture continuation, and thrust faulting are explored. In the Appendix, the elastic theory for stresses...
1977
Shale Activity Test and Shale Reservoir, Shale Seal and Well Stability Properties Characterization
Konstandinos Zamfes
Unconventional Resources Technology Conference (URTEC)
... of water and increase in volume. This is recorded as a decrease in weight in water. The density calculations reflect the decrease in density. The downward...
2017
Developments in Southeastern States in 1954
L. C. Powell , L. B. Culligan
AAPG Bulletin
...-weeks, a 34 per cent decrease. Gravity work totaled 25 crew-weeks showing no appreciable change from last year. The downward trend of this work...
1955
Degree of Maturation of Oils of Various-Age Reservoirs of South Caspian Mega-Depression
I. S. Guliyev, A. A. Feyzullayev, D. A. Guseynov
Petroleum Geology: A Digest of Russian Literature
... is the Greater Caucasus mega-anticlinorium and its submarine continuation represented by the Apsheron-Balkhan zone of anticlinal highs. On the south is the Lesser...
2001
Structural Framework of Continental Shelf and Slope off Southwestern Sierra Leone, West Africa
Robert L. McMaster , Eric Christofferson , Asaf Ashraf
AAPG Bulletin
... assemblage (White and Leo, 1969). These dikes are a continuation of the mapped Precambrian and Mesozoic rocks of coastal Liberia. A Jurassic age...
1975
Structural History of the Billings Field Interpreted in Terms of Isostasy
Malvin G. Hoffman
Tulsa Geological Society
... includes the Billings dome. Differential downward adjustment of the earth's crust was necessary to compensate for this overload of sediments...
1940
Boone Chert
Albert W. Giles
Tulsa Geological Society
..., a very regular increase downward in the relative proportion of chert to limestone, the increase amounting to 10 per cent for every 100 feet, the lower...
1933
Channel Sandstone Oil Reservoirs of Pennsylvanian Age in Northwestern Ness County, Kansas
Robert F. Walters, Robert J. Gutru, Alfred James III
Tulsa Geological Society
... shape, convex base, and flat upper surface; (3) their dimensions - to 60 ft thick, ml wide, and over 6 ml long; (4) the coarsening downward from very...
1979
Use of Seismic-Derived Velocities for Stratigraphic Exploration on Land: Seismic Porosity and Direct Gas Detection: Chapter 4
Norman S. Neidell, J. H. Beard, Ernest E. Cook
AAPG Special Volumes
...: Geophysics, v. 34, p. 859-881. Taner, M. T., et al, 1982, Paleo seismic and color acoustic impedance sections - applications of downward continuation...
1985