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The AAPG/Datapages Combined Publications Database
Showing 10,017 Results. Searched 196,426 documents.
Seismic Reflection Profiles from Offshore Central California: Evidence for Post-Miocene Imbricate Thrust Faulting: ABSTRACT
James K. Crouch, Steve Bachman
AAPG Bulletin
... in well known foreland thrust belts, these faults typically form an imbricate system in which they curve asymptotically downward to a common basal sole...
1984
Regional Post-Late Miocene Thrust Faulting in Offshore Central California--Implications for Wrench-Style Tectonics: ABSTRACT
James K. Crouch, Steve Bachman
AAPG Bulletin
... in offshore central California. Recognizable on both dip and strike lines, the thrust faults are generally imbricate and curve downward to a basal sole...
1984
Emplacement of Nonevaporitic Sulfates in McKnight Formation, Maverick Basin, and Associated Complex Diagenesis: ABSTRACT
Alonzo D. Jacka
AAPG Bulletin
... have been noted. Nonevaporitic anhydrite layers do not occur below true evaporite deposits, and so downward reflux of sulfate enriched brine cannot...
1984
Interpretation of Underpressuring Using Pressure-Depth Profiles, Palo Duro Basin, Texas: ABSTRACT
E. D. Orr, C. W. Kreitler
AAPG Bulletin
.... Potential upward flow is indicated along the western flanks of the Amarillo uplift, while potential downward flow is indicated in the southwestern...
1984
Structure and Evolution of Some Continental Rifts--Consequences for Their Thermomechanical Behavior: ABSTRACT
P. Y. Chenet, L. Montadert, I. Moretti
AAPG Bulletin
... in the rift trough is characterized by the alternation of rapid downward movements over a period of a few million years and periods of relative stagnation...
1984
Hydrothermal Uranium Vein Deposits in Marysvale Volcanic Field, Utah: ABSTRACT
James D. Rasmussen, Charles G. Cunningham, Thomas A. Steven, Robert O. Rye, Samuel B. Romberger
AAPG Bulletin
... the surface above a concealed rhyolite stock, where they filled high-angle fault zones and flat-lying to concave-downward "pull-apart" fractures. Low pH...
1984
Implications to Exploration of Porosity Relationships and Paragenetic Sequences, Jurassic Navajo (Nugget) Sandstone, Utah and Southwestern Wyoming: ABSTRACT
Kadir Uygur, M. Dane Picard
AAPG Bulletin
... and are correlative in all areas studied. Porosity changes with depth, as well as the volume of cements, are the result of downward-decreasing surface...
1984
Abstract: Mudstone Diagenesis and Its Effect on Petrophysical Properties, by J-W. Kim, T. T. Tieh, and J. S. Watkins; #90932 (1998).
Search and Discovery.com
1998
Oriskany Sandstone Lithofacies, Paleoenvironment, and Fracture Porosity in Somerset County, Pennsylvania: ABSTRACT
R. A. Welsh, Jr.
AAPG Bulletin
.... The quartzarenite lithofacies is recognizable on gamma-ray logs by its blocky, low API unit signature at the top of sequences that exhibit a downward increase...
1984
Aledo Southeast 1,200-Ft Strawn Gas Field and Associated Deeper Production, Southeast Parker and Southwest Tarrant Counties, Texas: ABSTRACT
Arthur J. Ehlmann, Rita J. Ehlmann
AAPG Bulletin
... layer clays. Isopach maps combined with structure contour maps show the field is a trap formed where an east-west channel sand is tilted downward...
1985
Numerical Simulation of Subsurface Flow in a Sedimentary Basin: ABSTRACT
Yee-Ping Chia
AAPG Bulletin
... the effectiveness of petroleum accumulation. The downward flow from overlying shales to sandstones, plays an important role in providing resistence to the upward...
1985
Disrupted Carbonate Hardgrounds in Shallow Carbonate-Shelf Sediments: Origin and Setting of Tepees and Their Associated Fabrics: ABSTRACT
Christopher G. Kendall, John K. Warren
AAPG Bulletin
... resurgence, form in crusts coated with laminated micrite that extend from the fractures downward into dolomitic micrite. (5) Caliche tepees, from c ntinental...
1985
Penecontemporaneous Facies Relations in Pennsylvanian (Desmoinesian) Deltas of Southwestern Indiana: ABSTRACT
Christopher G. Maples, Allen W. Archer
AAPG Bulletin
.... The marine-influenced lithology deposited in shallowest water was black shale, which grades downward into coal and upward into calcareous gray shale...
1985
Near-Surface Methane Anomaly over Shallow Foley Gas Field, Baldwin County, Alabama: ABSTRACT
Richard D. McIver, Richard W. McIver, David W. McIver
AAPG Bulletin
... from the surface down to 6-8 ft. Below this, where anomalous gas concentrations were encountered, they tended to increase gradually downward...
1985
Basic Two-Dimensional Model for Thrust-Fold Oil-Field Structures of Rocky Mountain Foreland: ABSTRACT
Donald S. Stone
AAPG Bulletin
... into the sedimentary sectio , producing an anticlinal fold, and downward into the deeper basement. The amount of shortening determines the displacement...
1985
Textural Evidence for Origin of Salt Dome Anhydrite Cap Rocks, Winnfield Dome, Louisiana: ABSTRACT
Mark R. Ulrich, J. Richard Kyle, Peter E. Price
AAPG Bulletin
..., concave downward anhydrite mounds occur along some horizons. They may contain anhydrite breccia fragments or sulfides. Coarsely crystalline salt mounds...
1985
K-Ar Ages of Allochthonous Mafic and Ultramafic Complexes and Their Metamorphic Aureoles, Western Brooks Range, Alaska: ABSTRACT
J. L Boak, D. L Turner, W. K. Wallace, T. E. Moore
AAPG Bulletin
... to the structurally overlying peridotite, as the degree of alteration decreases downward. We suggest that the K-Ar ages of these rocks represent...
1985
Structural Style--Brooks Range Mountain Front, Alaska: ABSTRACT
R. C. Crane, C. G. Mull
AAPG Bulletin
... front respond almost plastically to the late core uplift and gravitationally slide downward on rotated north-dipping thrust faults to form cascading...
1985
Abstract: Sequence Stratigraphic Interpretation of a Mature Basin: Eastern Niger Delta Case Study, by S. Braide, J. Durand, and C. Orji; #90928 (1999).
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1999
Proposed Model for Interaction Between Basement Structures and Folds in Cover Rocks of Central and Southern Appalachians: ABSTRACT
Howard A. Pohn
AAPG Bulletin
... downward toward the major decollements, the shorter the distance between the decollement and the ground surface, the more numerous the faults...
1985
Abstract: Abnormal Pressures And Fluid Migration In Foreland, by I. Moretti; #90928 (1999).
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1999
Abstract: Strategies for Exciting Kids about Earth Science Careers, by Patty E. Holyfield; #90914(2000)
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2000
Abstract: Climate Change-Impacts and Efforts, by David A. L. Jenkins; #90914(2000)
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2000