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Interpretations from multichannel seismic-reflection profiles of the deep crust crossing South Carolina and Georgia from the Appalachian Mountains to the Atlantic Coast
John C. Behrendt
1985, Miscellaneous Field Studies Map 1656
Over the past decade, the U.S. Geological Survey (USGS) has been investigating the cause of the Charleston, S.C., earthquake of 1886 and the likelihood of future earthquakes of similar magnitude (mb 6.9–7.2, Bollinger, 1977). As part of that work, multichannel reflection surveys were started in 1979 in the Charleston area,...
Map of fault scarps formed in unconsolidated sediments, Elko 1 degree by 2 degrees Quadrangle, Nevada and Utah
Theodore P. Barnhard
1985, Miscellaneous Field Studies Map 1791
The accompanying map shows nine areas where fault scarps formed in unconsolidated sediments in the Elko 1°x2° quadrangle, northeastern Nevada and westernmost Utah.  The faulted sediments include pebbly to bouldery colluvium, alluvium, and pediment gravels.  They are inferred to have been deposited in Quaternary time during the last phase of...
Map showing the distribution of selected mineral assemblages in nonmagnetic heavy-mineral concentrates from stream sediments from the Vasquez Peak Wilderness Study Area, and the Williams Fork and St. Louis Peak Roadless Areas, Clear Creek, Grand, and Summit counties, Colorado
R. G. Eppinger, P. K. Theobald, S. J. Sutley
1985, Miscellaneous Field Studies Map 1588-F
The U.S. Geological Survey and the U.S. Bureau of Mines conducted field studies from 1979 through 1983 to assess the mineral resource potential of the Vasquez Peak Wilderness Study Area (acreage: 16,000), the Williams Fork Roadless Area (acreage: 74,820), and the St. Louis Peak Roadless Area (acreage: 12,800).  Included were...