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Eolian sand and interbedded organic horizons at Kealok Creek on the Arctic Coastal Plain of Alaska: possible regional implications
L. David Carter, S.W. Robinson
1978, Open-File Report 78-320
Eolian sand has long been recognized as a widespread but minor facies of supposedly dominantly marine sediments of the Gubik Formation of the Arctic Coastal Plain (Smith and Mertie, 1930; Black, 1951 and 1964; O'Sullivan, 1961). Descriptions of eolian landforms of the coastal plain have been published by several authors,...
Catalog of locations of U.S.G.S. instruments recording low-frequency data in California
William B. Daul, M.J.S. Johnston
1978, Open-File Report 78-358
During the past few years, the U.S. Geological Survey has installed many different types of instrumentation for the observation and detection of crustal deformation within the San Andreas fault system. In order to have an effective earthquake prediction program, it is important to have continuous data from these instruments collected...
Mass movement and storms in the drainage basin of Redwood Creek, Humboldt County, California — A progress report
Deborah Reid Harden, Richard J. Janda, K. Michael Nolan
1978, Open-File Report 78-486
Numerous active landslides are clearly significant contributors to high sediment loads in the Redwood Creek basin. Field and aerial-photograph inspections indicate that large mass-movement features, such as earthflows and massive streamside debris slides, occur primarily in terrain underlain by unmetamorphosed or slightly metamorphosed sedimentary rocks. These features cannot account for...
A magnesium correction for the Na-K-Ca chemical geothermometer
R.O. Fournier, Robert W. Potter
1978, Open-File Report 78-986
Graphs and equations have been devised to correct for the adverse effects of magnesium upon the Na-K-Ca geothermometer. Either the graphs or equations can be used to determine temperature corrections when given waters have Na-K-Ca calculated temperatures above 70? C and values of R less than 50, where R =...