Aggregate resources of the Abha-Khamis Mushayt area: A preliminary report, Kingdom of Saudi Arabia
Lawrence Frederick Rooney, Ziad H. Al-Koulak
1978, Open-File Report 78-775
The area within 30 km of Abha and Khamis Mushayt in the Asir province of the Kingdom of Saudi Arabia is experiencing rapid growth and a corresponding strong demand for construction materials, including aggregate. The major source of aggregate at present is wadi gravels, supplemented by shallow pits in bedrock....
Stamukhi shoals of the Arctic - some observations from the Beaufort Sea
Erk Reimnitz, Douglas K. Maurer
1978, Open-File Report 78-666
A number of linear shoals, representing pronounced topographic anomalies on the surface of the Arctic shelf, have been studied in the Prudhoe Bay area. These shoals have been referred to in several previous studies. Based on seismic reflection records, Reimnitz et al., (1972a), stated that the shoals are constructional features...
Use and interpretation of strong-motion records from highway bridges
J.D. Raggett, Christopher Rojahn
1978, Open-File Report 78-707
This report describes how strong-motion records obtained from the earthquake-induced motions of highway bridges may be analyzed for use in the evaluation of bridge designs and bridge design procedures.This report is divided into five principal sections. The first section describes strong-motion instrumentation and strong-motion records. In the second section, a...
Chemical and mineralogical evaluation of soils, Hanging Woman Creek EMRIA site, Big Horn County, Montana
Ronald R. Tidball
1978, Open-File Report 78-346
The purpose of this study is to provide chemical and mineralogical data on the soil resource at the Hanging Woman Creek Energy Mineral Rehabilitation Inventory and Analysis (EMRIA) site. These data will contribute to the potential-reclamation evaluation in the event that the area is disturbed by strip mining for the...
Contact-metasomatic magnetite deposit, Medfra Quadrangle, Alaska
M.L. Throckmorton, William Wallace Patton
1978, Open-File Report 78-26
A small contact-metasomatic magnetite deposit was discovered in the Medfra quadrangle, Alaska, in 1976. It occurs at the contact between a Cretaceous or early Tertiary quartz monzonite stock and Paleozoic limestone and dolomite. The ore is a magnetite-clinohumite-hematite rock that contains up to 60 volume percent magnetite and 76 weight...
Telluric traverse location map and profiles for Double Hot Springs Known Geothermal Resource Area, Nevada
R. Michael Senterfit, Donald B. Hoover, Karen R. Christopherson
1978, Open-File Report 78-106-A
No abstract available. ...
Hydrologic data for the Copper Basin area, a potential mining area in Yavapai County, Arizona
B. W. Thomsen, R.S. Stulik
1978, Open-File Report 78-413
Large low-grade ore bodies have been discovered in Copper Basin, and a large copper-mining operation is anticipated in the near future. Hydrologic data are being collected to provide the data base necessary to determine the effects of a potential mining operation on the water resources of the area. The area...
Selected chemical properties of rainfall in the Rio Piedras Basin, Puerto Rico
F. Quinones-Marquez
1978, Open-File Report 78-159
Chemical analyses of waters from springs and wells from the Clear Lake volcanic area, Northern California
J. M. Thompson, Fraser E. Goff, Julie M. Donnelly
1978, Open-File Report 78-425
Mineral resources of the Rock River Canyon Wilderness Study Area, Alger County, Michigan
Jesse William Whitlow, Philip J. Geraci, Peter C. Mory, Elizabeth R. King
1978, Open-File Report 78-527
A mineral resource evaluation of the Rock River Canyon Wilderness Study Area, Alger County, Mich., was completed in 1975 by personnel of the U.S. Geological Survey and the U.S. Bureau of Mines. The area consists of approximately 22 km2 in the Hiawatha National Forest.Rocks exposed in the area include sandstone,...
Chemical, physical, biochemical, and bacteriological characteristics at selected stream sites in Puerto Rico, 1976-77
Ferdinand Quinones-Marquez, Pedro Vasquez, Rafael Pena Cortes
1978, Open-File Report 78-445
In 1969, the Caribbean District of the U.S. Geological Survey, in cooperation with the Commonwealth of Puerto Rico, initiated the operation of a network to monitor some parameters indicative of water-quality changes at selected stream sites. The initial network consisted of 18 stations, which were expanded to 20 in 1971,...
Selected geologic literature on energy resources and phosphate deposits in the northeastern Circum-Pacific region
Gary A. Younse, J.M. Denman
1978, Open-File Report 79-297
A study of the October 12, 1877, Oregon earthquake
P.C. Thenhaus
1978, Open-File Report 78-234
No abstract available. ...
Audio-magnetotelluric station location map and data log for Double Hot Springs Known Geothermal Resource Area, Nevada
R. Michael Senterfit, Donald B. Hoover
1978, Open-File Report 78-105-A
No abstract available....
Asbestos occurrences in serpentinites of the Hamdah area, Kingdom of Saudi Arabia
Lawrence Frederick Rooney, Ziad H. Al-Koulak
1978, Open-File Report 79-360
A cluster of serpentinite bodies centered at 19°00'N. and 43°45'E., near the village of Hamdah, contain many occurrences of the fibrous asbestos minerals chrysotile and anthophyllite. In the south-central part of the area, near the ancient Hajr gold mine (18°54'45"N. and 43°40'30"E.), the fiber is of fair quality and grade...
Selected hydrologic data, Camas Prairie, south-central Idaho
H.W. Young, R.L. Backsen, K.S. Kenyon
1978, Open-File Report 78-500
This report presents data collected during a 1-year study of the water resources of Camas Prairie, Idaho. Included are records of wells, discharge measurements of streams, hydrographs of water levels in wells, water-quality data, and drillers' logs of wells. The data are conveniently made available to supplement an interpretive report,...
Principal facts for gravity stations in the Clearwater and Blackfoot River valleys, Montana
Dolores M. Wilson
1978, Open-File Report 78-103
A gravity survey was made in the Clearwater and Blackfoot River valleys to provide information on structural relationships and subsurface geology as part of the Big Fork-Avon environmental and land-use project undertaken by the U.S. Geological Survey and Missoula and Powell Counties, Montana....
Water quality in the Old Plantation Water Control District, Broward County, Florida; progress report, July 1976-June 1977
Gary M. Russell, Chris E. Hanson, William A.J. Pitt
1978, Open-File Report 78-411
Water quality in the Old Plantation Water Control District in Broward County, Florida has been affected by effluent from sewage-treatment plants, agriculture, and storm-water runoff. Effect of the effluent from sewage-treatment plants on water quality was evident at 3 sites where concentrations of nutrients and bacteria in the Broward County...
Coal resource occurrence and coal development potential maps of the Halfway Hill Quadrangle, Carbon County, Wyoming
Prepared by Texas Instruments Incorporated
1978, Open-File Report 78-43
Tectonic maps for the Circum-Pacific map project
Maurice J. Terman
1978, Open-File Report 78-118
Audio-magnetotelluric data log and station location map for the Saline Valley Known Geothermal Resource Area, California
R. Michael Senterfit, D.D. Moeller
1978, Open-File Report 78-105-D
No abstract available. ...
Monitoring water-quality during pilot-dredging operations in the Willamette and Columbia Rivers, Oregon
Joseph F. Rinella, Stuart W. McKenzie
1978, Open-File Report 78-554
Water quality was monitored in the Willamette and Columbia Rivers during a pilot dredging operation on December 16, 1977. Monitoring included in-situ measurements of pH, temperature, dissolved oxygen, and conductivity in the Willamette and Columbia Rivers; analyses of dissolved ammonia, dissolved manganese, suspended-sediment concentration and particle size, loss on ignition,...
Lunar landscape morphometry
Richard J. Pike
1978, Open-File Report 78-812
This report outlines some general methods for analyzing the geometry of planetary topography and illustrates them with results obtained for the Moon. Its contents apply to selection of landing sites for spacecraft, planning traverses for vehicles, and to other aspects of planetary exploration that involve numerical expression of topographic form...
Reconnaissance engineering geology of the Petersburg area, southeastern Alaska, with emphasis on geologic hazards
Lynn A. Yehle
1978, Open-File Report 78-675
A program to study the engineering geology of most larger Alaska coastal communities and to evaluate their earthquake and other geologic hazards was started following the 1964 Alaska earthquake; this report about the Petersburg area is a product of that program. Field-study methods were of a reconnaissance nature, and thus,...
Hydrogeologic maps of proposed flood detention area proposed by Southwest Florida Water Management District, Green Swamp area, Florida
A. T. Rutledge, Hayes F. Grubb
1978, Open-File Report 78-460
Information about the hydrogeology of that part of the Green Swamp area which has been designated by Southwest Florida Water Management District as the flood detention area is given on seven maps. The maps show (1) core-hole numbers, (2) sand thickness, (3) clay thickness, (4) clay vertical hydraulic conductivity, (5)...
