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The AAPG/Datapages Combined Publications Database
Showing 10,235 Results. Searched 200,619 documents.
Paleomagnetic Methods for Orientation of Borehole Cores, Horizon Cleveland Field, Ochiltree County, Texas: ABSTRACT
William E. Henry
AAPG Bulletin
... component oriented vertically downward that partially overprints the original remanent magnetization direction. This overprint, resulting from...
1982
Genesis of Mississippi Valley-Type Lead and Zinc Ore Deposits and Consequent Exploration Thinking: ABSTRACT
Frank W. Beales
AAPG Bulletin
... of evaporites and/or carbonates either by downward-percolating meteoric waters or by upward-escaping basinal fluids. In a few places, karstic caverns were...
1982
Bahamian Subtidal Stromatolites (Oolitic!): ABSTRACT
Jeffrey J. Dravis
AAPG Bulletin
... cementation increases downward from stromatolite surfaces. Stromatolites themselves are localized on other low-relief oolitic hardgrounds. Morphologies...
1982
Present Thermal State of Western Canada Sedimentary Basin: ABSTRACT
Jacek Majorowicz, Alan M. Jessop
AAPG Bulletin
... and downward fluid flow through much of the Cenozoic and Mesozoic strata seems to be the main influence on heat distribution in the basin. Analyses...
1982
Dolomitization of Pleistocene Reef Sediments by Magnesium Leaching Out of Overlapping Volcanics, Mauritius Island, Indian Ocean: ABSTRACT
Lucien Montaggioni
AAPG Bulletin
... along the core as follows: (1) entirely dolomite 0.5 m downward from the volcanic rock, (2) from 0.5 to 2 m below the base of the basalt, both calcite...
1982
ABSTRACT: Application of Environmental Assessment to Remediation of Abandoned Oil Field Sites, by A. R. Dutton, J. G. Paine, and J. J. Tintera; #91021 (2010)
Search and Discovery.com
2010
Quartz Hill, Alaska: ABSTRACT
J. Stephens, P. Smith
AAPG Bulletin
... forms a large, tabular to slightly convex downward shape and is at or near the surface. Molybdenite is the only mineral of economic importance. The ore...
1982
ABSTRACT: Structural Models of Foreland Basement-Involved Structures, by S. Mitra and V. S. Mount; #91021 (2010)
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2010
Newburg Porous Carbonate Zone of Lockport Group (Middle Silurian), Northeastern Ohio: ABSTRACT
Ronald J. Santini, Alan H. Coogan
AAPG Bulletin
... overall porosity than the rest of the Lockport. The porous dolomite extends downward as much as 80 to 100 ft (25 to 30 m) below the top of the Lockport...
1982
ABSTRACT: Insights from Stratigraphic Modelling Applied to Subsurface Well-Log Interpretation, by K. W. Shanley and J. M. Boyles; #91021 (2010)
Search and Discovery.com
2010
Abstract: An Adduction Zone - A Precursor to a Subduction Zone, by F. H. Jacobeen, Jr.; #90939 (1997)
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1997
Age of Clay Diagenesis in Oligocene Frio Formation: ABSTRACT
John P. Morton
AAPG Bulletin
... Formation. Rb-Sr isotopic analyses of the less than 0.06 µ fraction indicate that clays within the zone of "hard" geopressure, which extends downward...
1983
Horizontal Compression and a Mechanical Interpretation of Wyoming Foreland Deformation: ABSTRACT
Jay R. Scheevel
AAPG Bulletin
... surface, propagate downward at an approximate 35° dip, and die at a depth dependent upon the magnitude of elastic shortening. Displacement...
1983
Facies and Depositional Environments of Energy Shale Member (Carbondale Formation, Pennsylvanian), Southwestern Jefferson County, Illinois: ABSTRACT
Mitchell K. Burk, John Utgaard
AAPG Bulletin
...%. This increase in sulfur content is attributed to downward percolation of sulfate-rich marine waters of a later transgression through the permeable...
1983
Petrographic, Geochemical, and Paleohydrologic Evidence of Nature of Petroleum Migration in Illinois Basin: ABSTRACT
Craig M. Bethke, J. D. Pruitt, Mary H. Barrows
AAPG Bulletin
... and downward cross-stratigraphic net migration. Compaction-driven and elevation head-driven ground-water flows within the basin were numerically modeled...
1984
Abstract: Sequence Stratigraphic Interpretation of a Mature Basin: Eastern Niger Delta Case Study, by S. Braide, J. Durand, and C. Orji; #90937 (1998).
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1998
Holocene Dolomitization of Supratidal Sediments by Active Tidal Pumping, Sugarloaf Key, Florida: ABSTRACT
Jose D. Carballo, Lynton S. Land
AAPG Bulletin
.... Consequently, seawater is pumped upward and downward through the Holocene sediments during spring tides. The highest concentrations of dolomite...
1984
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