Audio-magnetotelluric methods in reconnaissance geothermal exploration
D.B. Hoover, C. L. Long
1976, Conference Paper, Proceedings: second United Nations Symposium on the development and use of geothermal resources, San Francisco, California, USA, 20-29 May 1975
An audio-magnetotelluric (AMT) system has been developed by the U.S. Geological Survey for low-cost reconnaissance exploration of geothermal regions. This is an electromagnetic sounding technique in which the scalar or Cagniard resistivity is computed at 12 frequencies logarithmically spaced from 7.5 to 18 600 Hz. Our system uses natural source...
Digital-model analysis of the effects of water-use alternatives on spring discharges Gooding and Jerome Counties, Idaho
Joe A. Moreland
1976, Water Information Bulletin 42
Springs discharging from the Snake Plain aquifer contribute approximately 6,000 cubic feet per second (170 cubic metres per second) to flow in the Snake River between Milner and King Hill. Before irrigation began on the Snake River Plain north and east of the springs, total spring discharge was about 4,200...
Tectonic framework of petroliferous rocks in Alaska: hydrocarbons
Arthur Grantz, C.E. Kirschner
1976, Book chapter, Circum-Pacific energy and mineral resources (AAPG Memoir 25)
Alaska, which contains about 28% of the land and continental shelf of the United States, is estimated by the U.S. Geological Survey to contain about one third of the nation's undiscovered oil and about one sixth of its undiscovered natural gas. The Survey estimates that fields discovered in Alaska through...
Gravity and magnetic studies of the Geysers-Clear Lake geothermal region, California, USA
William F. Isherwood
1976, Conference Paper, Proceedings: second United Nations Symposium on the development and use of geothermal resources, San Francisco, California, USA, 20-29 May 1975
Gravity and magnetic fields in The Geysers-Clear Lake region are interpreted in relation to the known geology and other available geophysical data. New gravity data provide additional detail with the area of geothermal steam production. Computer techniques were used for removal of the regional gravity field, anomaly enhancement, and modeling...
Seepage study of the Rocky Point Canal and the Grey Mountain-Pleasant Valley Canal systems, Duchesne County, Utah
R.W. Cruff, J. W. Hood
1976, Technical Publication 50
This report describes the study of the Rocky Point Canal system in the vicinity of Duchesne and the Grey Mountain-Pleasant Valley Canal system between Duchesne and Myton, in the Uinta Basin, Duchesne County, Utah. The Rocky Point Canal diverts from the left bank of the Duchesne River about 4 mi...
Regional geologic framework off northeastern United States
John Schlee, John C. Behrendt, John A. Grow, James M. Robb, Robert E. Mattick, P. T. Taylor, B. J. Lawson
1976, American Association of Petroleum Geologists Bulletin (60) 926-951
Six multichannel seismic-reflection profiles taken across the Atlantic continental margin off the northeastern United States show an excess of 14 km of presumed Mesozoic and younger sedimentary rocks in the Baltimore Canyon trough and 8 km in the Georges Bank basin.Beneath the continental rise, the sedimentary prism thickness exceeds 7...
Geology and geophysics of the southern Raft River Valley geothermal area, Idaho, USA
Paul L. Williams, Don R. Mabey, Adel A. R. Zohdy, Hans D. Ackermann, Donald B. Hoover, Kenneth L. Pierce, Steven S. Oriel
1976, Conference Paper, Proceedings: second United Nations Symposium on the development and use of geothermal resources, San Francisco, California, USA, 20-29 May 1975
The Raft River valley, near the boundary of the Snake River plain with the Basin and Range province, is a north-trending late Cenozoic downwarp bounded by faults on the west, south, and east. Pleistocene alluvium and Miocene-Pliocene tuffaceous sediments, conglomerate, and felsic volcanic rocks aggregate 2 km in thickness. Large...
Beacon Hill end moraine, Boston: new explanation of an important urban feature
Clifford A. Kaye
Donald R. Coates, editor(s)
1976, Book chapter, Urban Gomorphology (Geological Society of America, Special Paper 174)
The usefulness of geology to engineers is in direct proportion to how well it helps us predict the subsurface; these predictions, in turn, depend on our knowledge of the geomorphic processes that molded the terrain. The uncertainties of interpretation are particularly great in glaciated terrain because our understanding of both...
Seepage study of canals in Beaver Valley, Beaver County, Utah
R.W. Cruff, R. W. Mower
1976, Technical Publication 52
A study of the gains or losses of nine canals near Beaver, Utah, was made to aid in the water allocation of the canal systems. The canals included in this study are Manderfield Ditch, Last Chance Canal, Christiansen Ditch, Mammoth Canal, City Ditch, Owens Ditch, South Field Ditch, Patterson Ditch...
Saline water in the Little Arkansas River Basin area, south-central Kansas
Robert B. Leonard, Melvin K. Kleinschmidt
1976, Chemical Quality Series 3
Ground water in unconsolidated deposits of Pleistocene age in part of the Little Arkansas River basin has been polluted by the influx of saline water. The source of the saline water generally is oil-field brine that leaked from disposal ponds on the land surface. Locally, pollution by saline water also...
A geochemical study of oil in metalliferous veins, Idarado Mine, San Juan Mountains, Colorado
Peter M. Gerrild
1976, Journal of Research of the U.S. Geological Survey (4) 593-599
A tarry, benzene-soluble material is present in metal-rich veins in the Idarado mine, Ouray County, Colo., in an area not known to have petroleum resources. The material was compared chemically, spectometrically, and chromatographically with oils from four fields in the nearby Paradox basin. Each of these oil fields contains reservoir...
A portable helium sniffer
Irving Friedman, E.H. Denton
1976, Journal of Research of the U.S. Geological Survey (4) 35-36
A portable helium sniffer has been developed for field use. The instrument is mounted in a four-wheel-drive pickup truck and can detect 50 parts per billion of helium in soil gas. The usefulness of helium sniffing in soil is being investigated as a prospecting tool in gas, oil, uranium, and...
Water Resources of the Upper New River Basin, West Virginia
William E. Clark, James L. Chisholm, Prentis M. Frye
1976, River Basin Bulletin 4
Journal of Research of the U. S. Geological Survey, 1976, volume 4, issue 6
1976, Report
No abstract available....
Journal of Research of the U. S. Geological Survey, 1976, volume 4, issue 5
1976, Report
No abstract available....
Journal of Research of the U. S. Geological Survey, 1976, volume 4, issue 3
1976, Report
No abstract available....
Journal of Research of the U. S. Geological Survey, 1976, volume 4, issue 4
1976, Report
No abstract available....
Journal of Research of the U. S. Geological Survey, 1976, volume 4, issue 2
1976, Report
No abstract available....
Journal of Research of the U. S. Geological Survey, 1976, volume 4, issue 1
1976, Report
Book Review: Minnesota's birds: where, when and how many by Janet C. Green and Robert B. Janssen
Douglas H. Johnson
1976, Prairie Naturalist (8) 24-25
National Cartographic Information Center Newsletter No. 4
Water Resources Division, U.S. Geological Survey
1976, Newsletter 4
Last week, the editor of this publication was told to start signing the introduction. Something to do with credit given for work done. We look at it in the unfortunate light of accountability; our days under the bushel of anonymity are over. Speaking of accountability, it's about time we gave...
National Cartographic Information Center Newsletter No. 5
Water Resources Division, U.S. Geological Survey
1976, Newsletter 5
The profile in this issue describes the Map Section of the Geological Survey Library....
United States Geological Survey Annual Report, Fiscal Year 1975
Water Resources Division, U.S. Geological Survey
1976, Report
The Survey resumes the practice of annually summarizing the progress it has made in identifying the Nation's land, water, energy, and mineral resources, classifying federally owned mineral lands and waterpower sites, and in supervising the exploration and development of energy and mineral resources on Federal and Indian lands. The Annual...
Chart of conversion factors: From English to metric system and metric to English system
Water Resources Division, U.S. Geological Survey
1976, Report
The conversion factors in the following tables are for conversion of our customary (English) units of measurement to SI*units, and for convenience, reciprocals are shown for converting SI units back to the English system. The first table contains rule-of-thumb figures, useful for "getting the feel" of SI units or mental...
Man against volcano: The eruption on Heimaey, Vestmann Islands, Iceland
R.S. Williams Jr., J.G. Moore
1976, Report
The U.S. Geological Survey carries out scientific studies in the geological, hydrological, and cartographic sciences generally within the 50 states, but also in cooperation with scientific organizations in many foreign countries for the investigation of unusual earth science phenomena throughout the world. The following material discusses the impact of the...
