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Page 4950, results 123726 - 123750

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Not all publications have extents, not all extents are completely accurate
Geologic map of the Troublesome Roadless Area, McCreary County, Kentucky
W. R. Sigleo, A. H. Randall
1981, Miscellaneous Field Studies Map 1341-A
The Troublesome Roadless Area is composed of six tracts of land and contains 2,943 acres (fig. 1). The largest tract of the study area, located 13 mi southwest of Stearns, Ky., is accessible from that town via State Route 92 to Hill Top, and . then southwestwatd along country roads....
Earthquake hazard studies in southeastern Missouri
William Stauder, Robert B. Herrmann, Brian J. Mitchell
1981, Open-File Report 81-888
This report is intended to be a compact review of the current "state of the art" of operating a seismic telemetry network as applied to the New Madrid area, and incidentally, to the Adak, Alaska network because of the author's position as technical director of that network under a joint...
Annual report of the USGS Mission, Kingdom of Saudi Arabia, for the third year of the fifth extension of the USGS-MPMR work agreement : fiscal year 1400/01, 1 Rajab 1400-30 Jumad Thani 1401 (15 May 1980-4 May 1981)
U.S. Geological Survey Saudi Arabia Mission, Saudi Arabia. Mudīrīyah al-ʻĀmmah lil-Tharwah al-Maʻdinīyah
1981, Report
An interagency report prepared by the U.S. Geological Survey Saudi Arabian Mission for the Ministry of Petroleum and Mineral Resources, Kingdom of Saudi Arabia. The work on which this report was based was performed in accordance with a cooperative agreement between the U.S. Geological Survey and the Ministry of Petroleum...
Anaerobic oxidation of acetylene by estuarine sediments and enrichment cultures
Charles W. Culbertson, Alexander J. B. Zehnder, Ronald S. Oremland
1981, Applied and Environmental Microbiology (41) 396-403
Acetylene disappeared from the gas phase of anaerobically incubated estuarine sediment slurries, and loss was accompanied by increased levels of carbon dioxide. Acetylene loss was inhibited by chloramphenicol, air, and autoclaving. Addition of 14C2H2 to slurries resulted in the formation of 14CO2 and the transient appearance of 14C-soluble intermediates, of which acetate was a major...
Hard mineral resources around the U.S continental margin
Frank T. Manheim, H.D. Hess
1981, Conference Paper, Proceedings of the Annual Offshore Technology Conference
The territorial waters surrounding the United States contain vast quantities of hard mineral resources. Some, such as sand and gravel in the New York Bight, Beaufort Sea, portions of southern California, and submerged lands near Hawaii are relatively well known and characterized by local need and immediate mining potential with...
Estimating usable resources from historical industry data
S.M. Cargill, D. H. Root, E. H. Bailey
1981, Economic Geology (76) 1081-1095
Historical production statistics are used to predict the quantity of remaining usable resources. The commodities considered are mercury, copper and its byproducts gold and silver, and petroleum; the production and discovery data are for the United States. The results of the study indicate that the...
Shear zone between the Inner Piedmont and Kings Mountain belts in the Carolinas
J. Wright Horton, Jr.
1981, Geology (9) 28-33
The Kings Mountain shear zone, which marks the boundary between the Inner Piedmont and Kings Mountain belts near the NC-SC state line, is a northeast-striking, steeply to moderately dipping zone of ductile mylonitic deformation and late-stage semibrittle deformation. The zone is at least 60 km long and is no more...
Uranium-series and soil-geomorphic dating of the Calico archaeological site, California
James L. Bischoff, Roy J. Shlemon, T. L. Ku, R.D. Simpson, Robert J. Rosenbauer, Budinger
1981, Geology (9) 576-582
Lithic specimens identified as artifacts have been recovered from near the base of the Yermo fan deposits at Calico, California. The soil on the fan surface is a strongly developed relict paleosol. Comparison of this soil with dated paleosols elsewhere in the southwestern United States suggests that the surface is...
Progradational sequences in Miocene shoreline deposits, southeastern Caliente Range, California
H. Edward Clifton
1981, Journal of Sedimentary Petrology (51) 165-184
An exceptionally well exposed marine-nonmarine transition in middle Miocene strata exists in the southeastern Caliente Range, California. About 50 individual progradational sequences form a succession that ranges in thickness from approximately 1000 m (where predominantly nonmarine) to more than 2500 m (where predominantly marine). Paleogreographic evidence in basalt flows near...
Conceptual models governing leaching behavior and their long-term predictive capability
Hans C. Claassen
1981, Nuclear and Chemical Waste Management (2) 307-313
Six models that may be used to describe the interaction of radioactive waste solids with aqueous solutions are as follows:Simple linear mass transfer;Simple parabolic mass transfer;Parabolic mass transfer with the formation of a diffusion-limiting surface layer at an arbitrary time;Initial parabolic mass transfer followed by linear mass transfer at an...
On the use of nonlinear soil models
Albert T.F. Chen
1981, Conference Paper, Proceedings: First International Conference on Recent Advances in Geochemical Earthquake Engineering and Soil Dynamics
The basic definitions of, and the differences between, currently available soil models are reviewed. These models are applied to site response analyses where two depths and two levels of base input motion are considered. Computational results are presented and compared with regard to the effects of using different soil models...
Radiometric and paleomagnetic evidence for the Emperor reversed polarity event at 0.46 ± 0.05 M.Y. in basalt lava flows from the eastern Snake River Plain, Idaho
Duane E. Champion, G. Brent Dalrymple, Mel A. Kuntz
1981, Geophysical Research Letters (8) 1055-1058
K-Ar and paleomagnetic data from cores through a sequence of basalt flows in the eastern Snake River Plain provide evidence for a brief (0.005 to 0.01 m.y.) reversal of the geomagnetic field 0.46 ± 0.05 m.y. ago. This reversed polarity event has also been found in sea-floor magnetic anomalies and...