Oligocene and Miocene volcanic rocks in the central Pioche-Marysvale igneous belt, western Utah and eastern Nevada
Myron G. Best, S. Kerry Grant, H. H. Mehnert, J. D. Keith, C. W. Naeser
1987, Professional Paper 1433-A-B
No abstract available....
Ground-penetrating radar study of the thickness and extent of sediments beneath Silver Lake, Berlin and Meriden, Connecticut
F.P. Haeni, D. K. McKeegan, D.R. Capron
1987, Water-Resources Investigations Report 85-4108
A short-pulse ground-penetrating radar system was used to determine the extent and thickness of organic-rich lake-bottom sediments in Silver Lake in south-central Connecticut. Four mi of ground-penetrating radar profiles were obtained along traverses of the frozen lake during March 1984. The radar waves penetrated 6 inches of snow, 1 ft...
Water quality of the Malheur Lake system and Malheur River, and simulated water-quality effects of routing Malheur Lake water into Malheur River, Oregon, 1984-85
L. A. Fuste, S. W. McKenzie
1987, Water-Resources Investigations Report 86-4202
Above average precipitation and runoff between 1980 and 1985 have raised the water-surface elevation of Harney, Mud, and Malheur Lakes in eastern Oregon to the highest levels recorded and have caused mixing and interflow of water among the three lakes. A 50% increase in specific conductance throughout Malheur Lake from...
Summary mineral resource appraisal of the Richfield 1° x 2° quadrangle, west-central Utah
Thomas August Steven, Hal T. Morris
1987, Circular 916
The mineral resource potential of the Richfield 1° x 2° quadrangle, Utah, has been appraised using geological, geophysical, geochemical, and remote-sensing techniques. These studies have led to many publications giving basic data and interpretations; of these, a series of 18 maps at 1:250,000 and 1:500,000 scales summarizing aspects of the...
Mineral resources of the Fort Piute Wilderness Study Area, San Bernardino County, California
Jane E. Nielson, James G. Frisken, Robert C. Jachens, John R. McDonnell Jr.
1987, Bulletin 1713-C
The Fort Piute Wilderness Study Area (CDCA-267) is in northeastern San Bernardino County, California, near the boundary between California and Nevada. Mineral surveys were requested for 31,371 acres of the Fort Piute Wilderness Study Area. In this report the area studied is referred to as "the study area". Examination of...
Movement and fate of ethylene dibromide (EDB) in ground water in Seminole County, Georgia
J. B. McConnell
1987, Water-Resources Investigations Report 87-4030
An investigation to assess the movement and fate of ethylene dibromide (EDB) in the Upper Floridan aquifer (formerly the principal artesian aquifer) was conducted, because a previous investigation conducted in August 1983, had found EDB contamination of the aquifer in about a 4 sq mi area in central Seminole County,...
Mineral resources of the East Fork High Rock Canyon Wilderness Study Area, Washoe and Humboldt counties, Nevada
Jay A. Ach, Donald Plouff, R. L. Turner, S. W. Schmauch
1987, Bulletin 1707-B
The part of the East Fork High Rock Canyon Wilderness Study Area (CA-020-914/NV-020-006A) included in this study encompasses 33,460 acres in the northwestern part of Nevada. Throughout this report, "wilderness study area" and "study area" refertothe 33,460 acres for which mineral surveys were requested. The U.S. Geological Survey and the...
Hydrogeology, chemical quality, and availability of ground water in the Upper Floridan aquifer, Albany area, Georgia
D.W. Hicks, H.E. Gill, S.A. Longsworth
1987, Water-Resources Investigations Report 87-4145
Large withdrawals of groundwater in the 1500 sq mi Albany area of southwestern Georgia have lowered water levels in deep aquifers as much as 140 ft. This study was conducted to evaluate the development potential of the shallow Upper Floridan aquifer as an alternate source of groundwater, especially for public...
Streamflow and water quality of the Grand Calumet River, Lake County, Indiana, and Cook County, Illinois, October 1984
Charles G. Crawford, David J. Wangsness
1987, Water-Resources Investigations Report 86-4208
A diel (24-hour) water-quality survey was done to investigate the sources of dry-weather waste inputs attributable to other than permitted point-source effluent and to evaluate the waste-load assimilative capacity of the Grand Calumet River, Lake County, Indiana, and Cook County, Illinois, in October 1984. Flow in the Grand Calumet River...
Surface water-quality assessment of the Kentucky River basin, Kentucky: Project description
K. D. White, J. L. Smoot, J. K. Jackson, Anne F. Choquette
1987, Open-File Report 87-234
In April 1986, the U.S. Geological Survey began the National Water Quality Assessment Program, which at present (1987) is in a pilot phase in which assessment concepts and approaches are being tested and modified to prepare for full implementation of the program in the future. Seven pilot projects (four surface...
Analytical results and sample locality map of stream-sediment, heavy mineral-concentrate, rock, and water samples from the Skedaddle (CA-020- 612) and Dry Valley Rim (CA-020-615) Wilderness Study Areas, Lassen County, California, and Washoe County, Nevada
B. M. Adrian, J. G. Frisken, L. A. Bradley, Cliff D. Taylor, J. B. McHugh
1987, Open-File Report 87-494
In the summer of 1985, the U.S. Geological Survey conducted a reconnaissance geochemical survey of the Skedaddle (CA-020-612) and Dry Valley Rim (CA-020-615) Wilderness Study Areas in Lassen County, California, and Washoe County, Nevada.Skedaddle and Dry Valley Rim are contiguous wilderness study areas (WSA) located in the eastern part of...
Hydrologic hazards along Squaw Creek from a hypothetical failure of the glacial moraine impounding Carver Lake near Sisters, Oregon
Antonius Laenen, K. M. Scott, J. E. Costa, L.L. Orzol
1987, Open-File Report 87-41
A hydrologic hazard exists that could create a large-magnitude, but short-duration, flood in the Squaw Creek drainage and inundate areas in and around the community of Sisters, Oregon. There is a 1 to 5% probability that Carver Lake, located at elevation 7,800 ft above sea level on the east slope...
Maps of runoff in the northeastern region and the southern Blue Ridge Province of the United States during selected periods in 1983-85
D.J. Graczyk, W.A. Gebert, W.R. Krug, G.J. Allord
1987, Open-File Report 87-106
Maps of annual runoff for two regions in the eastern United States were prepared by the U.S. Geological Survey for the Direct/Delayed Response Project being conducted by the U.S. EPA. These maps show annual runoff during water year 1984 in the northeastern region and in the Southern Blue Ridge Province. Runoff...
Hydrogeology of the Socorro and La Jencia basins, Socorro County, New Mexico
Scott K. Anderholm
1987, Water-Resources Investigations Report 84-4342
The Socorro and La Jencia Basins are located in central Socorro County, New Mexico. The principal aquifer system in the Socorro and La Jencia Basins consists of, in descending order, the shallow aquifer, the Popotosa confining bed, and the Popotosa aquifer. The minor aquifer systems, which are dominant along the...
Hydrologic effects of artificial-recharge experiments with reclaimed water at East Meadow, Long Island, New York
B.J. Schneider, H. F. Ku, E. T. Oaksford
1987, Water-Resources Investigations Report 85-4323
Artificial recharge experiments were conducted at East Meadow, Long Island, New York, from October 1982 through January 1984 to evaluate the degree of groundwater mounding and the chemical effects of artificially replenishing the groundwater system with tertiary-treated wastewater. More than 800 million gallons of treated effluent was returned to the...
Simulation of flow in the Edwards Aquifer, San Antonio region, Texas, and refinement of storage and flow concepts
R.W. Maclay, L. F. Land
1987, Open-File Report 86-532
The Edwards aquifer is a complexly faulted, carbonate aquifer lying within the Balcones fault zone of south-central Texas. The aquifer is recharged mainly by streamflow losses in the outcrop area of the Edwards aquifer and is discharged by major springs located at considerable distances, as much as 150 mi, from...
Data on ground-water quality for the Caliente 1° x 2° quadrangle, eastern Nevada
Alan H. Welch, Rhea P. Williams
1987, Open-File Report 85-648-L
Water quality data for groundwater has been compiled for the Caliente 1° x 2° quadrangle which covers a portion of eastern Nevada. Chemical characteristics of the water are shown on a map (at a scale of 1:250,000) and on trilinear diagrams for the major ions. The data for the area...
The Alaska Mineral Resource Assessment Program: Background information to accompany folio of geologic and mineral resource maps of the Circle quadrangle, Alaska
Helen Laura Foster, W. D. Menzie, J. W. Cady, S. L. Simpson, J. N. Aleinikoff, Frederic H. Wilson, R. B. Tripp
1987, Circular 986
The geology, geochemistry, geophysics, and Landsat imagery of the Circle quadrangle were investigated by an interdisciplinary research team for the purpose of assessing the mineral potential of the area. The quadrangle covers approximately 15,765 km2 in east-central Alaska; most of it is included in the mountainous Yukon-Tanana Upland physiographic division,...
Alleghanian deformation, metamorphism, and granite emplacement in the central Piedmont of the southern Appalachians
J. Wright Horton, Jr., J. F. Sutter, T. W. Stern, D.J. Milton
1987, American Journal of Science (287) 635-660
Evidence of late Paleozoic (Alleghanian) penetrative deformation, amphilbolite-facies, metamorphism, and syntectonic granite emplacement has been found in an area of the central Piedmont in the southern Appalachians. The High Shoals Granite batholith in the Kings Mountain belt of south-central North Carolina consists of coarse-grained, megacrystic biotite granite with a strong,...
Trip C; Structure and stratigraphy above, below, and within the Taconic unconformity, southeastern New York
Jack B. Epstein, Peter T. Lyttle
1987, Conference Paper, Guidebook - New York State Geological Association, Meeting, 1987
No abstract available....
Late Quaternary caldera-forming eruptions in the eastern Aleutian arc, Alaska
T. P. Miller, R.L. Smith
1987, Geology (15) 434-438
Late Quaternary calderas have been identified at 12 of 40 volcanic centers in the eastern Aleutian arc, and sufficient radiocarbon dates and geologic information have now been obtained to either date or constrain the timing of the climactic caldera-forming eruptions. At least eight major caldera-forming events, each characterized by estimated...
Remagnetization of the Coast Range Ophiolite and Lower Part of the Great Valley Sequence in Northern California and Southwest Oregon
L.S. Frei, M. Clark Blake Jr.
1987, Journal of Geophysical Research B: Solid Earth (92) 3487-3499
Overprinted magnetizations have been found at four localities in the Middle Jurassic Coast Range ophiolite and the overlying Upper Jurassic and Lower Cretaceous Great Valley sequence in northern California and at one locality in the partially correlative Lower Cretaceous Days Creek Formation in southwest Oregon. At Del Puerto Canyon, on...
Dinosaurs, pollen and spores, and the age of the Ojo Alamo Sandstone, San Juan Basin, New Mexico
James E. Fassett, S. G. Lucas, F.M. O’Neill
1987, GSA Special Papers (209) 17-34
The Ojo Alamo Sandstone of the San Juan Basin of New Mexico is composed of interbedded conglomeratic sandstone, sandstone, siltstone, and mudstone. Conglomerates are found in the western part of the basin; siliceous pebbles diminish in size both southward and eastward across the basin, becoming rare to nonexistent in the...
The ages of the continental, Upper Cretaceous, Fruitland Formation and Kirtland Shale based on a projection of ammonite zones from the Lewis Shale, San Juan Basin, New Mexico and Colorado
James E. Fassett
1987, GSA Special Papers (209) 5-16
The Kirtland Shale or Fruitland Formation directly underlies the Cretaceous-Tertiary boundary throughout most of the San Juan Basin of northwest New Mexico and southwest Colorado. These formations have been known to be Late Cretaceous in age since the early 1900s. Now, with the greatly renewed interest in rocks adjacent to...
Preliminary results from a study of natural slope failures triggered by the storm of November 3.5.1985, Germany Valley, West Virginia and Virginia: Chapter 4 in Landslides of eastern North America
Robert B. Jacobson, Elizabeth D. Cron, John P. McGeehin
1987, Circular 1008-4
During the first five days of November 1985, a low-pressure system in the Ohio River valley combined with a low-pressure system referred to as Tropical Storm Juan to produce heavy rainfall in the Potomac, James, and Rappahannock River basins. Severe flooding accompanied the rainfall; 43 lives were lost and the...
