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Specification of Source Zones, Recurrence Rates, Focal Depths, and Maximum Magnitudes for Earthquakes Affecting the Savannah River Site in South Carolina
Report presenting documentation for the development of seismicity parameters to be used as input for probabilistic seismic hazard analyses at the Savannah River Site in South Carolina.
Date:
1992
Creator:
Bollinger, G. A.
System:
The UNT Digital Library
Clastic Pipes of Probable Solution-Collapse Origin in Jurassic Rocks of the Southern San Juan Basin, New Mexico
A report about pipes which contain downdropped strata located in the southwestern part of the San Jun Basin, New Mexico.
Date:
1992
Creator:
Hunter, Ralph E.; Gelfenbaum, Guy & Rubin, David M.
System:
The UNT Digital Library
Geologic Studies in Alaska by the U.S. Geological Survey, 1990
A collection of papers which report on the geologic investigations in Alaska. It represents the broad range of U.S. Geologic Survey research activities carried out in Alaska.
Date:
1992
Creator:
Bradley, Dwight C. & Ford, Arthur B.
System:
The UNT Digital Library
Gold and Other Minor Elements Associated with the Hot Springs and Geysers of Yellowstone National Park, Wyoming, Supplemented with Data from Steamboat Springs, Nevada
Report providing information from 125 samples of rock studies, analyzed by using a emission-spectographic method. The studies take place in Yellowstone National Park and Steamboat Springs, Nevada.
Date:
1992
Creator:
White, Donald E.; Heropoulos, Chris & Fournier, R. O.
System:
The UNT Digital Library
Stratigraphy and Structure of the Seaman Range and Fox Mountain, Lincoln and Nye Counties, Nevada
From introduction: This report describes the stratigraphy and structure of the Seaman Range in southeastern Nevada, consisting of three main structural blocks that are bounded by major normal faults and adjacent valley fills.
Date:
1992
Creator:
Hurtubise, Donlon O. & Du Bray, Edward A.
System:
The UNT Digital Library
Fife Peak Quadrangle, Cochise County, Arizona: Analytic Data and Geologic Sample Catalog
From abstract: The information presented in this report supplements the geologic map of the Fife Peak quadrangle and supports ongoing investigations of the evolution of the Turkey Creek caldera.
Date:
1992
Creator:
Du Bray, E. A.; Yager, Douglas B. & Pallister, John S.
System:
The UNT Digital Library
Rustler Park Quadrangle, Cochise County, Arizona: Analytic Data and Geologic Sample Catalog
From abstract: Information in this report supplements the geologic map of the Rustler Park quadrangle and supports ongoing investigations of the Turkey Creek caldera.
Date:
1992
Creator:
Du Bray, E. A.; Yager, Douglas B. & Pallister, John S.
System:
The UNT Digital Library
Structural Context of Mid-Tertiary Mineralization in the Mammoth and San Manuel Districts, Southeastern Arizona
From introduction: This study examines mid-Tertiary mineralization of the area in the context of both detachment and basin-range faulting.
Date:
1992
Creator:
Force, Eric R. & Cox, Leslie J.
System:
The UNT Digital Library
Geologic Investigations of the 1988 Tennant Creek, Australia, Earthquakes: Implications for Paleoseismicity in Stable Continental Regions
From introduction: This report summarizes the results of our efforts to document the timing of the last prehistoric movement on the faults that ruptured during the 1988 Tennant Creek earthquake sequence.
Date:
1992
Creator:
Crone, Anthony J.; Machette, Michael N. & Bowman, J. Roger
System:
The UNT Digital Library
Geology of the Central Roan Plateau Area, Northwestern Colorado
From abstract: This report explores the Central Roan Plateau Area of Northwestern Colorado as it includes formations of the Late Cretaceous age, Paleocene age and Eocene age. There are superficial deposits of the Quaternary age and exposed rocks of the Eocene age.
Date:
1992
Creator:
Hail, William James, Jr.
System:
The UNT Digital Library
Facies Analysis, Genetic Sequences, and Paleogeography of the Lower Part of the Minturn Formation (Middle Pennsylvanian), Southeastern Eagle Basin, Colorado
From abstract: Siliciclastic and minor carbonate rocks of the lower part of the Middle Pennsylvanian Minturn Formation of north-central Colorado were deposited in alluvial-fan, braidplain, Gilbert-delta, shoreline, and paralic, and offshore-marine environments. These strata can be divided into twelve genetic sequences that are generally bounded by transgressive surfaces of erosion or paralic flooding surfaces, and are characterized by thin and thick transgressive units. This report examines the paleogeography of this area.
Date:
1992
Creator:
Karachewski, John A.
System:
The UNT Digital Library
Stratigraphy of the Mississippian System, South-Central Colorado and North-Central New Mexico
From abstract: In the Sawatch, Mosquito and Front Ranges of central Colorado and the Sangre de Cristo Mountains of south-central Colorado, Tournaisian beds of the Mississippian Leadville Limestone overlie rocks of Early Mississippian and Late Devonian age. In the Sangre de Cristo Mountains in north-central New Mexico, the oldest beds are the Tournaisian (zone 9) Espiritu Santo Formation. In west-central New Mexico, in the Magdalena, Lemitar, and Ladron Mountains, the Kelly Limestone of Tournaisian and Visean age rests unconformably on Proterozoic metamorphic and igneous rocks. This report examines the stratigraphy of this area.
Date:
1992
Creator:
Armstrong, Augustus K.; Mamet, Bernard L. & Repetski, John E.
System:
The UNT Digital Library
Stratigraphy of the Eocene Part of the Green River Formation in the South-Central Part of the Uinta Basin, Utah
From abstract: Seventeen stratigraphic sections totalling 4,514.3 m were investigated and previous reports studied in order to clarify and illustrate the stratigraphy of most of the Eocene part of the fluvial and lacustrine Green River Formation in the south-central part of the Uinta basin of Utah.
Date:
1992
Creator:
Remy, Robert R.
System:
The UNT Digital Library
[Evolution of Sedimentary Basins--San Juan Basin: Chapters J and K]
From introduction to each respective report: Report J summarizes the results of several studies concerning the stratigraphy and sedimentology of uppermost Jurassic to lowermost Upper Cretaceous rocks in the San Juan basin and adjacent areas. Report K describes using X-ray diffraction techniques to determine the occurrence and distribution of clay minerals in the upper part of the Brushy Basin Member and in the Burro Canyon Formation in the Four Corners area.
Date:
1992
Creator:
Aubrey, William M. & Skipp, Gary
System:
The UNT Digital Library
The Lance Formation: Petrography and Stratigraphy, Powder River Basin and Nearby Basins, Wyoming and Montana
From abstract: The uppermost Cretaceous Lance Formation was studied in the Powder River Basin and nearby basins of Wyoming and Montana. The Lance Formation is overlain by the continental Paleocene Fort Union Formation. This report is a petrography and stratigraphy study on these basins.
Date:
1992
Creator:
Connor, Carol Waite
System:
The UNT Digital Library
Complete Bouguer and Isostatic Residual Gravity Maps of the Anadarko Basin, Wichita Mountains, and Surrounding Areas, Oklahoma, Kansas, Texas, and Colorado
From abstract: This report contains the complete Bouger and isostatic residual gravity maps of the Anadarko basin, Wichita Mountains, and surrounding areas on parts of Oklahoma, Kansas, Texas and Colorado that were compiled using gravity data from 11,023 stations.
Date:
1992
Creator:
Robbins, Stephen L. & Keller, G. Randy, Jr.
System:
The UNT Digital Library