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The AAPG/Datapages Combined Publications Database
Showing 10,235 Results. Searched 200,619 documents.
Deposition and Early Hydrologic Evolution of Westwater Canyon Wet Alluvial-Fan System: ABSTRACT
W. E. Galloway
AAPG Bulletin
... of regional discharge or stagnation. In either event, only limited downward flux of acidic water is recorded by local bleached, kaolinized zones where...
1979
Abstract: Source and Plume Investigation of Chlorinated Compounds in Groundwater at a Chemical Plant, by D. B. Trahan; #90955 (1995).
Search and Discovery.com
1995
Channel Sandstone Oil Reservoirs of Pennsylvanian Age, Northwestern Ness County, Kansas: ABSTRACT
Robert F. Walters, Robert J. Gutru, Alfred James, III
AAPG Bulletin
... mi (9.6 km) long; (4) the coarsening downward from very fine quartz grains to coarse sand and pea gravel at the base; (5) the enhanced permeability...
1979
Distribution and Alteration of Ogallala Volcanic-Ash Deposits and Their Possible Relation to Uranium Mineralization in Western Oklahoma: ABSTRACT
S. Bloch, Kenneth S. Johnson
AAPG Bulletin
... of the Pearlette ash did not disclose any alteration trends or a downward decrease in the uranium concentration. The uranium content of the Pearlette...
1980
Abstract: A Case for International Exploration and Production Operations by Independent Operators, by W. C. Krueger; #90957 (1995).
Search and Discovery.com
1995
Submarine Diagenesis (Aragonite Dissolution, Cementation by Calcite, and Dolomitization) in Ordovician Galena Group, Upper Mississippi Valley: ABSTRACT
David J. Delgado
AAPG Bulletin
... beneath hardgrounds in some strata which otherwise lack these fossils. Fine to very fine crystalline dolomite fills burrows extending downward from many...
1980
Examples of Abnormal Fluid Pressure Produced by Hydrocarbon Generation: ABSTRACT
Fred F. Meissner
AAPG Bulletin
... create fractures which propagate upward or downward from the source rocks and control vertical migration through large thicknesses of seemingly...
1980
Petroleum Exploration and Wrenching Model, Michigan Basin: ABSTRACT
C. E. Prouty
AAPG Bulletin
... suggests that movement along shear faults was episodic, with the axes of related shear folds showing some migration downward. Further testing...
1980
Geometry of Shelf Sandstone Bodies in Shannon-Equivalent Sandstone in Northern Black Hills, Montana and South Dakota: ABSTRACT
George W. Shurr
AAPG Bulletin
.... The lenses trend northwest and are approximately 16 km long and 6 km wide. In adjacent outcrops, sandstone grades downward and laterally to the northeast...
1980
ABSTRACT: Spectacular Exposures of Thrusting in the Core of Concentric Anticlines as Models for Oil Exploration, by Jason J. Beall; #91019 (1996)
Search and Discovery.com
1996
Geology of Gum Island North and French Island Areas, Jefferson County, Texas: ABSTRACT
Robert C. Mason
AAPG Bulletin
.... They are localized as a result of rapid filling of downward troughs created by older growth-fault structural movement, principally of Vicksburg age...
1980
Unconformity-Related Uranium Deposits in Upper Cretaceous Sandstones, Datil Mountains Area, West-Central New Mexico: ABSTRACT
Richard M. Chamberlin
AAPG Bulletin
... of the bleached zone grade downward into the dark-gray sandstones and carbonaceous shales typical of the Crevasse Canyon Formation. Tabular uranium deposits...
1981
Shallow-Seated Dissolution of Bedded Evaporites in Northern Delaware Basin: ABSTRACT
Steven J. Lambert
AAPG Bulletin
... along bedding planes, rather than a single surface migrating downward. The sequence of alterations appears to be: (1) fracture of brittle rock, (2...
1981
Effect of Non-Hydrostatic Stress on Chemical Processes During Diagenesis: ABSTRACT
Walter E. Dibble, Jr., Amos Nur
AAPG Bulletin
... are less than lithostatic (Pf < PL), downward directed stress at grain contacts can produce an inhomogeneous distribution of mineral solubilities. High...
1981
Mineralogic Analysis and Uranium Distribution of Sedimentary-Type Uranium Ores: ABSTRACT
Paul H. Fishman, Wen H. Huang
AAPG Bulletin
... of the orebody is presumably a beach-barrier-bar sequence with its northeastern end delineated by a downward-cutting fluvial system. The bulk...
1981
Internal Breccias near Early Geosynclinal Platform Margins: ABSTRACT
H. Fuchtbauer, D. K. Richter
AAPG Bulletin
... relatively small displacement. Transitions downward into fissures and almost undisturbed rock sections, and upward into mass flows, provide important...
1981
Origin and Evolution of Saline Formation Waters, Lower Cretaceous Carbonates, South-Central Texas: ABSTRACT
Lynton S. Land, Dennis Prezbindowski
AAPG Bulletin
... of galena precipitate in late fractures. Updip and up-fault, the brine becomes progressively diluted with downward-moving meteoric water. On encountering...
1981
Holocene Facies Succession and Depositional Environments of Semi-Enclosed Windward Lagoon off Great Abaco Island, Bahamas: ABSTRACT
Stanley D. Locker, A. Conrad Neumann
AAPG Bulletin
...% of the normal marine section. The N.M. wackestone typically grades downward into a dark gray restricted marine (brackish to hypersaline) skeletal...
1981
Burial Diagenesis of Illite/Smectite, a Kinetic Model: ABSTRACT
D. G. McCubbin, J. W. Patton
AAPG Bulletin
... in the mixed-layer illite/smectite (I/S) clays involve a progressive downward increase in the proportion of illite layers, followed by a change from random...
1981
Cenozoic Deep-Water Benthic Foraminifers: ABSTRACT
Detmar Schnitker
AAPG Bulletin
... a net downward depth range extension of bathyal species occurred. During the late Miocene the periodic vertical migrations of bathyal and abyssal faunas...
1981
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...
1981
Signatures of Surficial Sand and Small-Scale Mass Wasting of Sediments at Shelf Break and Upper Slope Seaward of Baltimore Canyon Trough: ABSTRACT
Terry A. Nelsen, Richard H. Bennett
AAPG Bulletin
... structures were recovered in a box core taken 400 m north of Wilmington Canyon. A thick sandy surface layer extended downward as End_Page 1667...
1981
Depositional Environments and Reservoir Morphologies of Channel Sandstones: ABSTRACT
Richard R. Bloomer
AAPG Bulletin
... convex-downward bases. Stratigraphic traps are in thin distributary-channel and delta-plain sandstone facies of shelf-elongate deltas on shelves. Shelf...
1981
Depositional Environments and Reservoir Morphologies of Channel Sandstones: ABSTRACT
R. R. Bloomer
AAPG Bulletin
...-downward bases. Stratigraphic traps are in thin distributary-channel sandstone facies of shelf-elongate deltas overlying limestone and shale beds...
1982
Origin of Structures in Permian Basin: ABSTRACT
Jack G. Elam
AAPG Bulletin
... founders. Gravity takes over and movement is downward on the faults in response to the cooling cycle. Moderate extension occurs when the dome...
1982