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The AAPG/Datapages Combined Publications Database

Showing 18,196 Results. Searched 196,128 documents.

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Ascending

Origin of Coal Seam Structures, Sullivan County, Indiana: ABSTRACT

Scot C. Adams, Gunnar Kullerud

AAPG Bulletin

...) and a magnitude of ±2 to 3 mi (3 to 5 km). The resultant oriented, linear, structure highs parallel the trend of the underlying paleoridges. (3...

1983

Geologic Structures and Horizontal Stresses--Their Impact on Petroleum and Coal Production in Illinois Basin: ABSTRACT

John B. Lizak

AAPG Bulletin

... fractures can be approximated if the magnitude and direction of the stresses are known. End_of_Article - Last_Page 1457...

1983

New Madrid Seismic Zone: A Test Case for Naturally Induced Seismicity: ABSTRACT

Susan J. Nava

AAPG Bulletin

... are well documented from 1974 to the present, down to a magnitude ~1.8. They lie in a distinct fault pattern and occur as a reaction to the regional...

1983

Bottom Boundary Layer Flow Profiling System: ABSTRACT

Charles E. Adams, Jr., R. D. Fredericks

AAPG Bulletin

... flow dynamics by changing the characteristics of both the mean and turbulence fields. An important change is the reduction in the magnitude and change...

1984

Basement Faults and Cover Tectonics in Southernmost Appalachians: ABSTRACT

J. A. Drahovzal, S. P. Hertig, W. A. Thomas

AAPG Bulletin

... on the configuration of Alleghanian structures as well as on sedimentation during the Paleozoic. Basement faults control the magnitude of duplexes...

1984

Interpretation of Nonlinear Vitrinite Reflectance Profiles: ABSTRACT

B. J. Katz, R. N. Pheifer, D. J. Schunk

AAPG Bulletin

..., their magnitude in terms of eroded section is usually difficult to measure or interpret. Time-temperature modeling presents an approach to quantifying...

1984

Barium Partitioning in Carbonates: Theory and Applications: ABSTRACT

Nicholas E. Pingitore, Jr., Michael P. Eastman

AAPG Bulletin

.... The low concentrations of Ba2+ in sedimentary biograins (3 orders of magnitude less than Sr2+) make Ba2+ a sensitive monitor of externally derived, barium...

1984

Mineral Oxidants and Porosity Enhancement: ABSTRACT

Ronald C. Surdam, Laura J. Crossey, Rich Lahamn

AAPG Bulletin

... work has shown that difunctional carboxylic acids can increase aluminum solubility by three orders of magnitude. Oil field brines are observed...

1984

Naturally Fractured Jambalaya--Analyzing a New Reservoir Type: ABSTRACT

Jerry L. Bergosh, T. R. Marks, A. F. Mitkus

AAPG Bulletin

... at simulated in-situ reservoir conditions. Experimental evidence indicates fracture permeability reductions of greater than three orders of magnitude occur...

1985

Practical Guide to Dipmeter Applications in Gulf Coast: ABSTRACT

Thomas H. Fett

AAPG Bulletin

...-hole geometry, and fractures. The recently introduced Dual Dipmeter service, with 8 sensors and 0.1-in. sampling rate, adds an order of magnitude...

1985

Seismic Expression of Catastrophic Slope Failure: Lower Cretaceous Torok Formation, North Slope of Alaska: ABSTRACT

Ralph S. Kerr

AAPG Bulletin

... sediments occurred during Early Cretaceous time on the North Slope of Alaska. The magnitude of the failure emphasizes the importance of slumping...

1985

Maturity Anomalies, Fluid Flow, and Permeability Preservation in Frio and Anahuac Formations, Upper Texas Gulf Coast: ABSTRACT

Malcolm P. R. Light

AAPG Bulletin

.... These sandstones are more permeable by an order of magnitude than the more-mature shallower sandstones. The intense dissolution of grains in the highly...

1985

Exploration Applications Through Remote Sensing of Ice-Wedge Polygons: ABSTRACT

Joann Mossa

AAPG Bulletin

... not as effective as aerial photography in geologic mapping, primarily due to pixel resolution being one order of magnitude larger than an individual polygon, major...

1985

Evolution of Cambrian-Ordovician Carbonate Shelf, United States Appalachians: ABSTRACT

Fred J. Read

AAPG Bulletin

... and bioherms that passed up into cyclic carbonate as sea level oscillations decreased in magnitude. Numerous unconformities interrupt this sequence...

1985

Do Oil and Gold Mix in Alaska?: ABSTRACT

R. V. Bailey

AAPG Bulletin

... is of such magnitude that needed support for hard-mineral exploration and mining is being suppressed by a hostile bureaucracy and by preservationists. End...

1985

Cedar Creek--Significant Paleotectonic Feature of Williston Basin: ABSTRACt

James H. Clement

AAPG Bulletin

... maintained until post-Paleocene time. Post-Paleocene: The Cedar Creek block underwent its greatest magnitude of uplift during post-Paleocene tectonism...

1985

Regional Significance of Mississippian Rocks at Pentagon Mountain, Lewis and Clark Range, Northwestern Montana: ABSTRACT

K. M. Nichols

AAPG Bulletin

... either that Mississippian units were originally widespread or that the magnitude of thrusting between the Mississippian rocks in the Lewis and Clark...

1985

Paleozoic Paleotectonics and Sedimentation in Southern Rocky Mountain Region: ABSTRACT

Charles A. Ross, June R. P. Ross

AAPG Bulletin

... with increasing magnitude until the end of Wolfcampian time. Local basins and uplifts date from this interval and occurred in two belts. One belt was about 80 mi...

1985

Geologic Interpretation of a Seismic Profile Across Oregon Basin Thrust, West Flank of Big Horn Basin, Wyoming: ABSTRACT

Donald S. Stone

AAPG Bulletin

...), as verified by a deep footwall test of a spurious subthrust structural closure. The displacement on the Oregon Basin thrust is the same order of magnitude...

1985

Clinton Gas Field: A Significant Stratigraphic Discovery: ABSTRACT

David M. Pulling

AAPG Bulletin

... into one of the most significant stratigraphic discoveries in Oklahoma. This field is important not only for the magnitude of its hydrocarbon reserves...

1985

Worldwide Basin Classification and Oil-Play Prediction: ABSTRACT

Dave R. Kingston

AAPG Bulletin

... magnitude, from movements of slight to major structural effects. More complex basins, called polyhistory basins, may contain several different tectonic...

1985

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