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Structural and heat-flow implications of infrared anomalies at Mt. Hood, Oregon
Jules D. Friedman, David Frank
1977, Open-File Report 77-599
Surface thermal features occur in an area of 9700 m2 at Mt. Hood, on the basis of an aerial line-scan survey made April 26, 1973. The distribution of the thermal areas below the summit of Mt. Hood, shown on planimetrically corrected maps at 1:12,000, suggests structural control by a fracture...
A summary of the geology and mineral resources of the Paris Plateau-House Rock Valley area, Coconino County, Arizona
Morris W. Green, C. T. Pierson, D. P. Bauer, D.B. Umshler
1977, Open-File Report 77-737
The Paria Plateau-House Rock Valley area of north-central Arizona is located on the southwestern edge Of the Colorado Plateau physiographic province in an area underlain by about 5,000 meters of fossiliferous marine and continental sedimentary rock ranging in age from Precambrian through Quaternary. The area, which lies north of the...
Late Cenozoic stratigraphic units, northeastern San Joaquin Valley, California
Denis E. Marchand, Alan Allwardt
1977, Open-File Report 77-748
Recent mapping of late Tertiary and Quaternary deposits in the northeastern San Joaquin Valley has shown the need for clarification, revision, and subdivision of some of the previously mapped stratigraphic units. We propose a uniform nomenclature for deposits younger than the Mehrten Formation in this region. The Laguna Formation (late...
Summary of hydrologic data collected during 1975 in Dade County, Florida
John E. Hull, T.R. Beaven
1977, Open-File Report 77-803
During the 1975 calendar year rainfall in Dade County, Fla., was 14.89 inches below the long-term average (57.17 in.). Ground-water levels ranged from 0.1 foot above to 1.1 feet below average. The highest and lowest ground-water levels for the year were both 1 foot below their long-term averages. In the...
Elutriation study of Willamette River bottom material and Willamette-Columbia River water
Joseph F. Rinella, Stuart W. McKenzie
1977, Open-File Report 78-28
Bottom material from the Willamette River was collected and mixed with Willamette and Columbia River waters on May 17, 1977. The elutriate, as well as each sample, was analyzed for selected nutrients, metals, and pesticides. Results show that the average dissolved ammonia, manganese, and zinc concentrations would require dilution by...
Geology of the Monterey Bay region
H. Gary Greene
1977, Open-File Report 77-718
Geophysical data and sea floor samples collected from the continental shelf and slope between Ano Nuevo Point and Point Sur, California indicate that the Monterey Bay region has had a complex late Cenozoic tectonic history. Uplift and depression have produced a succession of regressive and transgressive sedimentary units, while contemporaneous...
Mapping luminescence of uranium-bearing sandstones using an imaging Fraunhofer line discriminator
Robert D. Watson, Arnold F. Theisen
1977, Open-File Report 77-743
Measurements with a Fraunhofer Line Discriminator (FLD) imaging system over uranium-bearing sandstones in the Galisteo Formation, Sandia Mountains, New Mexico, show that luminescence of these sandstones is detectable and in general agreement with their distribution as mapped on the ground. The FLD imaging system coupled with a color television monitor...