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Showing 10,245 Results. Searched 201,044 documents.
Relationship Between the Distribution of Big Endogenic Ore Deposits and the Basement Fracture Pattern - Examples from Four Continents
Jan Kutina
Utah Geological Association
... the east-west fracture zones, the downward continuation of the north-south fracture zones has been disconnected during the east-west motion...
1974
Urengoy Gas Field--U.S.S.R. West Siberian Basin, Tyumen District
John D. Grace, George F. Hart
AAPG Special Volumes
.... The deposition of the Tyumen Formation (Lower and Middle Jurassic) represents a continuation of continental conditions in the southern and central basin...
1990
Kinematics of the Eastern Flank of the Beartooth Mountains, Montana and Wyoming
Patrick James O'Connell
Wyoming Geological Association
... overhang indicates a larger vertical component on the BTF. Wells C and J were drilled further east of the uplift and show a continuation of the eastward...
1996
Diastrophism During Historic Time in Gulf Coastal Plain
Martin M. Sheets
AAPG Bulletin
... or another a large block fault occurs in the basement rocks, which are overlain by several thousand feet of Coastal Plain sediments. Certainly a continuation...
1947
Chapter 13: The Tamar Giant Gas Field: Opening the Subsalt Miocene Gas Play in the Levant Basin
Daniel L. Needham, Henry S. Pettingill, Christopher J. Christensen, Jonathan ffrench, Zvi Kul Karcz
AAPG Special Volumes
... downward (most commonly in the Paleogene) and upward (usually near the base of Messinian salt). This vertically bounded normal fault system, termed “piano...
2017
Sedimentary Basins of Northeast Asia
V. V. Ivanov
Petroleum Geology: A Digest of Russian Literature
...’pin basin worsen downward along the section, related directly with degree of catagenesis. Sandstones and tuffs of the Eocene, Oligocene...
1985
Heart Mountain and South Fork Detachment Thrusts of Wyoming
William G. Pierce
AAPG Bulletin
... the Heart Mountain thrust sheet, likewise has the character of a detachment thrust in that the plane of the thrust sheet extends downward to a stratigraphic...
1957
Petroleum Developments in South America and Caribbean Area in 1960
E. W. Clark
AAPG Bulletin
... profits in 1960, as between the Government and the industry, was in the ratio 69:21 which shows a continuation of the trend of recent years toward...
1961
Ste. Genevieve (Mississippian) Formation at Its Type Locality in Missouri
Nicholas M. Short
AAPG Bulletin
... thick. The lenses are convex downward and are sharply truncated above by the first discontinuity (a diastemic surface). Most algae pellets are less...
1962
Origin of Sedimentary Cycles in Mixed Carbonate--Siliciclastic Systems: An Example from the Canning Basin, Western Australia: Chapter 7
Ann E. Holmes, Nicholas Christie-Blick
AAPG Special Volumes
... by, and identified on the basis of, a downward shift in onlap, fluvially incised valleys, and a facies discontinuity involving abrupt upward-shoaling. Critical...
1993
Anatomy of Stratigraphic Trap, Bisti Field, New Mexico
Floyd F. Sabins, Jr.
AAPG Bulletin
... unit of the Main Gallup Sandstone and consists of very fine-grained sandstone. The Offshore sand facies grades downward into the "Lower" Mancos Shale...
1963
Upper Cambrian Carbonate Platform Evolution, Elvinia and Taenicephalus Zones (Pterocephaliid--Ptychaspid Biomere Boundary), Northwestern Wyoming
Matthew R. Saltzman
Journal of Sedimentary Research (SEPM)
...: Harbinger of the Late Ordovician or continuation of Cambrian patterns?: Geology, v. 25, p. 911-914. PELECHATY, S.M., KAUFMAN, A.J., AND GROTZINGER, J.P., 1996...
1999
Basement-Controlled Deformation in Wyoming Province of Rocky Mountains Foreland
John James Prucha , John A. Graham , Richard P. Nickelsen
AAPG Bulletin
..., and Z (Fig. 12, section AB), the sedimentary rocks have been bent downward on the upthrown block. This bending, or drap ng, has resulted in the formation...
1965
Geology and Productivity of Persian Gulf Synclinorium
Maurice Kamen-Kaye
AAPG Bulletin
... mountain area of Iran. The northward trend suggests a continuation of the tectonic movements that characterized the Permian. In contrast to the gentle...
1970
Cyclic Deposition of Silurian Carbonates and Evaporites in Michigan Basin
K. J. Mesolella , J. D. Robinson , L. M. McCormick , A. R. Ormiston
AAPG Bulletin
... from one of the pinnacle reefs (Shell St. Union 1-8). Continuous cores of this pinnacle reef show a typical succession from stromatolitic zone downward...
1974
Geologic Interpretation of Space Shuttle Radar Images of Indonesia
Floyd F. Sabins, Jr.
AAPG Bulletin
... Limestone Group with typical karst topography. The carbonate rocks are flexed and faulted downward toward the south where they are overlain by a younger...
1983
15/9 Gamma Gas Field Offshore Norway, New Trap Type for North Sea Basin with Regional Structural Implications
R. M. Pegrum, T. E. Ljones
AAPG Bulletin
... Tertiary transpression. The writers suggest that the WNW-ESE-trending basement faults represent a northwestward continuation of the Tornquist line...
1984
Submarine Ramp Facies Model for Delta-Fed, Sand-Rich Turbidite Systems
Paul L. Heller , William R. Dickinson
AAPG Bulletin
...); 15 = Warren and Newell (1981). End_Page 963------------------------------ the northward continuation of the lower member of the Tyee Formation...
1985
Karst-Controlled Reservoir Heterogeneity in Ellenburger Group Carbonates of West Texas
Charles Kerans
AAPG Bulletin
... al, 1959; Barnes and Bell, 1977), and t e lithic arenite is interpreted to represent a continuation of the westerly onlap initiated during the Late...
1988
Prospectivity of volcanic basins: Trap delineation and acreage de-risking
Max Rohrman
AAPG Bulletin
... filters or downward continuation techniques. Most large intrusives have subcircular gravity and magnetic response in map view. By applying a simple pass...
2007
Along-strike variations and internal details of chevron-style, flexural-slip thrust-propagation folds within the southern Livingstone Range anticlinorium, a paleohydrocarbon reservoir in southern Alberta Foothills, Canada
Michael A. Cooley, Raymond A. Price, John M. Dixon, T. Kurtis Kyser
AAPG Bulletin
... to displacements on thrusts that developed below the Livingstone thrust (figure 15 of Douglas, 1950). The two largest tear faults end downward against the Ernst...
2011
Geomechanical restoration as a tool for fractured reservoir characterization: Application to the Permian Basin, west Texas
Joseph M. Stockmeyer, John H. Shaw, Lee T. Billingsley, Andreas Plesch, Michael Wales, Leore C. Lavin, Ray Knox, and Luke Finger
AAPG Bulletin
... with an anticlinal fault-bend–fold structural style (Suppe, 1983). We do not observe the continuation of axial surfaces or folded reflectors below our top...
2018
Slip sliding away: Enigma of large sandy blocks within a gas-bearing mass transport deposit, offshore northwestern Greenland
David R. Cox, Mads Huuse, Andrew M. W. Newton, Paul Gannon, and John Clayburn
AAPG Bulletin
... PSTM. All seismic data were provided in Society of Exploration Geophysicists normal polarity, with positive peaks (red) representing a downward...
2020
Buried rift basin under the Kalpin fold-thrust belt in the northwestern Tarim Basin: Implications for deep oil and gas exploration
Cheng Zhong, Tongsheng Zeng, Chengzao Jia, Guoqi Wei, Dong Jia, Yongjin Zhu, Hongwei Yin, Zhuxin Chen, Xing Wang, and Yong Zhang
AAPG Bulletin
... lines. This suggests a precise fault displacement value for a given seismic horizon at each intersection point. Notably, the downward motion...
2024
Seismic-Stratigraphic Interpretation of Depositional Systems and its Role in Petroleum Exploration (Part 2)
L. F. Brown Jr., W. L. Fisher
AAPG Special Volumes
... of evidence: (1) coastal onlap indicates a relative rise; (2) coastal toplap indicates stillstand; and (3) downward shift in coastal onlap indicates a relative...
1980