Cambrian nepheline syenite complex at Jabal Sawda, Midyan region, Kingdom of Saudi Arabia
W.K. Liddicoat, C.R. Ramsay, C. E. Hedge
1986, Journal of African Earth Sciences (4) 139-150
The only nepheline syenite complex presently known in the Arabian Shield is at Jabal Sawda, about 30 km S of Haql in the extreme NW of Saudi Arabia. It is a post-tectonic, composite intrusion with a crudely concentric structure. A...
Guidelines to classification and nomenclature of Arabian felsic plutonic rocks
C.R. Ramsay, D. B. Stoeser, A.R. Drysdall
1986, Journal of African Earth Sciences (4) 13-20
Well-defined procedures for classifying the felsic plutonic rocks of the Arabian Shield on the basis of petrographic, chemical and lithostratigraphic criteria and mineral-resource potential have been adopted and developed in the Saudi Arabian Deputy Ministry for Mineral Resources over the...
Evaluation of a mallard productivity model
Douglas H. Johnson, L.M. Cowardin, D. W. Sparling
J. Verner, L.M. Morrison, C.J. Ralph, editor(s)
1986, Book chapter, Wildlife 2000: modeling habitat relationships of terrestrial vertebrates
A stochastic model of mallard (Anas platyrhynchos) productivity has been developed over a 10-year period and successfully applied to several management questions. Here we review the model and describe some recent uses and improvements that increase its realism and applicability, including naturally occurring changes in wetland habitat, catastrophic weather events,...
Movement and fate of creosote waste in ground water, Pensacola, Florida; U.S. Geological Survey toxic waste-ground-water contamination program
Bernard J. Franks
H.C. Mattraw Jr., editor(s)
1986, Water Supply Paper 2285
Ground- and surface-water contamination by pesticides used in the wood-preserving industry is widespread in the United States. Pine poles were treated with wood preservatives from 1902 to 1981 at a creosote works near Pensacola, Florida. Diesel fuel, creosote, and pentachlorophenol were discharged to two unlined impoundments that had a direct...
Predictive models in hazard assessment of Great Lakes contaminants for fish
Dora R. May Passino
1986, Conference Paper, Proceedings of the technology transfer conference, part b: water quality research
A hazard assessment scheme was developed and applied to predict potential harm to aquatic biota of nearly 500 organic compounds detected by gas chromatography/mass spectrometry (GC/MS) in Great Lakes fish. The frequency of occurrence and estimated concentrations of compounds found in lake trout (Salvelinus namaycush) and walleyes (Stizostedion vitreum vitreum)...
Measurement of nitrous oxide reductase activity in aquatic sediments
L.G. Miller, Ronald S. Oremland, S. Paulsen
1986, Applied and Environmental Microbiology (51) 18-24
Denitrification in aquatic sediments was measured by an N2O reductase assay. Sediments consumed small added quantities of N2O over short periods (a few hours). In experiments with sediment slurries, N2O reductase activity was inhibited by O2, C2H2, heat treatment, and by high levels of nitrate (1 mM) or sulfide (10...
Distribution and habitat of Nitellopsis obtusa (Characeae) in the Laurentian Great Lakes
Donald W. Schloesser, Patrick L. Hudson, S. Jerrine Nichols
1986, Hydrobiologia (133) 91-96
Nitellopsis obtusa, a macroalga (Characeae) native to Europe and Asia, was found in U.S. waters of the St. Clair-Detroit River system in 1983, thus extending the range of this taxon into the Laurentian Great Lakes about 850 km from the St. Lawrence River where it was first discovered...
Evaluation of hatchery-reared lake trout for reestablishment of populations in the Apostle Islands Region of Lake Superior, 1960-84
Charles C. Krueger, Bruce L. Swanson, James H. Selgeby
R.H. Stroud, editor(s)
1986, Book chapter, Fish culture in fisheries management
No abstract available....
Publications of the U.S. Geological Survey, 1985
1986, Report
This catalog is a list of (1) books and maps that were published in 1985, and (2) articles by Geological Survey personnel in non-Geological Survey journals and books that came to our attention in 1985; it supplements the permanent catalogs "Publications of the Geological Survey, 1879-1961"; "Publications of the Geological...
Publications of the U.S. Geological Survey, 1971-1981
Water Resources Division, U.S. Geological Survey
1986, Report
This catalog is a list of books and maps published between 1971 and 1981. It supplements the past permanent catalogs "Publications of the Geological Survey, 1879-1961" and "Publications of the Geological Survey, 1962-1970." It also lists those reports in the 1879-1961 and 1962-70 catalogs that are out of stock and...
Techniques for studying nest success of ducks in upland habitats in the prairie pothole region
Albert T. Klett, Harold F. Duebbert, C. A. Faanes, K.F. Higgins
1986, Resource Publication 158
Selected procedures are described for conducting nesting studies of upland nesting ducks in the prairie pothole region. Emphasis is on the use of standard procedures so that comparable results can be obtained. Major topics addressed are finding nests by flushing hens with drags pulled by vehicles, recording of appropriate data,...
Parkfield Earthquake looks to be on schedule
1986, Earthquakes & Volcanoes (USGS) (18) 149-150
The only formally endorsed prediction of an earthquake in the Unites States appears to be holding up well. The magnitude 5.6 Parkfield Earthquake, expected to strike a section of the San Andreas in sparsely populated central California in January 1988, give or take 5 years, would appear to be on...
Prototype operational earthquake prediction system
Henry Spall, editor(s)
1986, Earthquakes & Volcanoes (USGS) (18) 151-152
An objective if the U.S. Earthquake Hazards Reduction Act of 1977 is to introduce into all regions of the country that are subject to large and moderate earthquakes, systems for predicting earthquakes and assessing earthquake risk. In 1985, the USGS developed for the Secretary of the Interior a program for...
Compilation of hydrologic data for the Edwards Aquifer, San Antonio area, Texas, 1983-84, with 1934-84 summary
R.D. Reeves, G. B. Ozuna
1986, Edwards Underground Water District Bulletin 43-44
No abstract available....
Seismic Computerized Alert Network
Henry Spall, editor(s)
1986, Earthquakes & Volcanoes (USGS) (18) 153-153
In 1985 the USGS devised a model for a Seismic Computerized Alert Network (SCAN) that would use continuous monitoring of seismic data from existing types of instruments to provide automatic, highly-reliable early warnings of earthquake shaking. In a large earthquake, substantial damaging ground motions may occur at great distances from...
BAREPP: Earthquake preparedness for the San Francisco Bay area
1986, Earthquakes & Volcanoes (USGS) (18) 154-155
The threat of major and damaging earthquakes in California is a fact. How people respond to that threat is a concern shared by many local, state, federal, volunteer and private sector organizations. The Bay Area Regional Earthquake Preparedness Project (BAREPP) promotes comprehensive earthquake preparedness actions by these organizations and provides...
Volcano monitoring at the U.S. Geological Survey's Hawaiian Volcano Observatory
1986, Earthquakes & Volcanoes (USGS) (18) 4-69
The island of Hawaii has one of the youngest landscapes on Earth, formed by the frequent addition of new lava to its surface. Because Hawaiian eruptions are generally nonexplosive and easily accessible, the island has long attracted geologists interested in studying the extraordinary power of volcanic eruption. The U.S. Geological...
Research in earthquake prediction - the Parkfield prediction experiment
Henry Spall
1986, Earthquakes & Volcanoes (USGS) (18) 148-148
The 15-mile-long Parkfield, California, section of the Sam Andreas fault is the best understood earthquake source region in the world. Moderate-sized earthquakes of local magnitude 5 3/4 occurred at Parkfield in 1881, 1901, 1922, 1934, and 1966....
Not-so-inactive fault in Oklahoma
Henry Spall, editor(s)
1986, Earthquakes & Volcanoes (USGS) (18) 150-151
In connection with a search for geologically quiet areas for sitting large engineering ventures such as dams and nuclear power plants, geologists have recently started looking at the Meers fault in southwestern Oklahoma with an intense interest....
Ground-water resource assessment of the Montauk area, Long Island, New York
K. R. Prince
1986, Water-Resources Investigations Report 85-4013
The water resources of the Montauk area were investigated from October 1980 through September 1983 to assess the availability of fresh groundwater. The principal aquifer, which consists of fine- to coarse-grained stratified glacial drift, is the sole source of freshwater. The freshwater/saltwater interface lies as much as 150 ft below...
Effect of glacier ablation on the Snettisham Hydroelectric Project, Long Lake and Crater Lake basins, Alaska, with a section on streamflow records
C. E. Sloan, P. A. Emery, Diana Fair, Robert D. Lamke
1986, Water-Resources Investigations Report 85-4315
Long Lake Basin in the Snettisham Project Area southeast of Juneau, Alaska, yields water used for the production of hydroelectric power. Development of adjacent Crater Lake is planned to increase the Project 's generating capacity. Estimates of the hydroelectric potential of the lakes are based on streamflow records which are...
Geochemical maps showing distribution and abundance of copper in two fractions of stream-sediment concentrates, Silver City 1° x 2° quadrangle, New Mexico and Arizona
K. C. Watts, J.R. Hassemer, C.L. Forn, D. F. Siems
1986, Miscellaneous Field Studies Map 1183-B
No abstract available....
Summary geochemical maps for samples of rock, stream sediment, and nonmagnetic heavy-mineral concentrates, Carson-Iceberg and Leavitt Lake Roadless Areas, Alpine, Mono, and Tuolumne counties, California
M.A. Chaffee
1986, Miscellaneous Field Studies Map 1416-C
The Carson-Iceberg and Leavitt Lake Roadless Areas (the study area) lie near the crest of the Sierra Nevada in central California. The study area encompasses approximately 219,630 acres in the Stanislaus and Toiyabe National Forests in Alpine, Mono, and Tuolumne Counties. The area is dominated by rugged topography typical of...
Louisiana hydrologic atlas map no. 2: Areal extent of freshwater in major aquifers of Louisiana
Charles W. Smoot
1986, Water-Resources Investigations Report 86-4150
The areal availability of freshwater (cl content < 250 mg/L) in 14 major aquifers in Louisiana was investigated. The depth of occurrence of fresh groundwater in Louisiana is variable. The aquifers were mapped to show their areal extent from the outcrop or subcrop to the downdip limit of freshwater. Water...
Louisiana hydrologic atlas map no. 1: Mean annual runoff in Louisiana
Harry C. McWreath III, Alfred S. Lowe
1986, Water-Resources Investigations Report 86-4149
The map shows the mean annual runoff from drainage basins in Louisiana exclusive of those in the coastal zone and the alluvial valleys of the Mississippi, Ouachita, and Red Rivers. The mean annual runoff for the State of Louisiana varies from 0.7 (cu ft/s)/sq mi in the Sabine and Red...
