Selected hydrologic data for Juab Valley, Utah, 1935-94
Judy I. Steiger
1995, Open-File Report 95-101
This report contains selected hydrologic data collected in Juab Valley, Utah, from 1935 to 1994. The study area is in eastern Juab County in central Utah. The area is bounded on the east by the Wasatch Range and San Pitch Mountains and on the west by Long Ridge and West...
Geohydrologic conditions and land use in the Gallatin Valley, southwestern Montana, 1992-93
Steven E. Slagle
1995, Water-Resources Investigations Report 95-4034
The Gallatin Valley is part of an intermontane basin in southwestern Montana with an area of about 540 mi2. The valley is drained by the Gallatin River and its tributaries. After formation of the Three Forks structural basin, the Gallatin Valley was filled with as much as 6,000 feet of...
Volcanic investigations in the Commonwealth of the Northern Mariana Islands, April to May 1994
M. K. Sako, F. A. Trusdell, R. Y. Koyanagi, George Kojima, R. B. Moore
1995, Open-File Report 94-705
A team of U.S. Geological Survey geologists, a seismologist, and technicians gathered new geologic, seismic, and deformation data in the Commonwealth of the Northern Mariana Islands (CNMI). Nine volcanic islands on the active East Mariana Ridge north of Saipan were examined between April 20 and May 3, 1994. In addition,...
Stratigraphy, sedimentology, paleontology, and paleomagnetism of Pliocene-early Pleistocene lacustrine deposits in two cores from western Utah
R.S. Thompson, Charles G. Oviatt, A.P. Roberts, J. Buchner, R. Kelsey, C.J. Bracht, R. M. Forester, J.P. Bradbury
1995, Open-File Report 95-1
The paleoclimatic history of western Utah is being investigated as part of the USGS Global Change and Climate History Program studies of long-term climatic changes in the western United States. The initial objective of the study is to document the environmental conditions during the mid-Pliocene period of warmer-than-modern global climates...
Effects of geothermal development on deformation in the Long Valley Caldera, eastern California, 1985-1994
M.L. Sorey, C. D. Farrar, G.A. Marshall, J.F. Howie
1995, Journal of Geophysical Research B: Solid Earth (100) 12475-12486
Long Valley caldera in east central California has been the site of crustal unrest in the form of seismicity and ground deformation in response to magmatic inflation since 1980. Uplift of the resurgent dome has totaled ∼0.6 m over the 1975–1992 period. Within this region of uplift, and near the...
Detailed lithologic log of the Dow Chemical #1 B.L. Garrigan Drill Hole, Mississippi County, Arkansas
Donley S. Collins, Gary L. Skipp
1995, Miscellaneous Field Studies Map 2296
The geology and tectonic setting of the New Madrid region in southeastern Missouri has received considerable attention because of the area's high seismic activity. The largest recorded earthquakes in this area occurred in the winter of 1811-1812. These earthquakes has estimated magnitudes as large as 8.0 on the Richter scale...
Source parameters and crustal Q for four earthquakes in South Carolina
Joe B. Fletcher
1995, Seismological Research Letters (66) 44-61
Two three-component seismometers (one surface and one borehole) were re-installed on the Savannah River Site (SRS), South Carolina in July 1992 to determine attenuation in the Coastal Plain sediment wedge and source parameters of local earthquakes. Four earthquakes M ∼ 1.8 to 3.6 were recorded during the next 6 months. The largest...
Geohydrology, water quality, and nitrogen geochemistry in the saturated and unsaturated zones beneath various land uses, Riverside and San Bernardino counties, California, 1991-93
Terry F. Rees, Daniel J. Bright, Ronald G. Fay, Allen H. Christensen, Robert Anders, Brian S. Baharie, Michael T. Land
1995, Water-Resources Investigations Report 94-4127
The U.S. Geological Survey, in cooperation with the Eastern Municipal Water District, the Metropolitan Water District of Southern California, and the Orange County Water District, has completed a detailed study of the Hemet groundwater basin. The quantity of ground water stored in the basin in August 1992 is estimated to...
Gravity of the New Madrid seismic zone; a preliminary study
V.E. Langenheim
1995, Professional Paper 1538-L
In the winter of 1811-12, three of the largest historic earthquakes in the United States occurred near New Madrid, Mo. Seismicity continues to the present day throughout a tightly clustered pattern of epicenters centered on the bootheel of Missouri, including parts of northeastern Arkansas, northwestern Tennessee, western Kentucky, and southern...
Preliminary geologic map of the Lunenburg and Fort Mitchell 7.5' quadrangles, Virginia
William C. Burton
1995, Open-File Report 95-4
The Lunenburg and Fort Mitchell 7.5' quadrangles have been mapped as part of the Geology of the South-Central Virginia Piedmont Project, a regional geologic mapping project of the U.S. Geological Survey. The two quadrangles include parts of Lunenburg, Mecklenburg, and Charlotte counties, and are located in the east-central part of...
Surficial geologic map of northern Adak Island, Alaska
C. F. Waythomas
1995, Open-File Report 95-128
Surficial deposits on northern Adak Island, Alaska include a variety of volcanic, glacial, eolian, and beach sediments. These deposits are the primary water-bearing units on the island and their distri- bution is shown on the accompanying surficial geologic map. An extensive sequence of volcanic debris-flow deposits (lahars) was identified...
Factors affecting water quality and net flux of solutes in two stream basins in the Quabbin Reservoir drainage basin, central Massachusetts, 1983-85
R. L. Rittmaster, J. B. Shanley
1995, Water-Resources Investigations Report 94-4003
The factors that affect stream-water quality were studied at West Branch Swift River (Swift River), and East Branch Fever Brook (Fever Brook), two forested watersheds that drain into the Quabbin Reservoir, central Massachusetts, from December 1983 through August 1985. Spatial and temporal variations of chemistry of precipitation, surface water; and...
Characterization of the Cottonwood Grove and Ridgely faults near Reelfoot Lake, Tennessee, from high-resolution seismic reflection data
William J. Stephenson, Kaye M. Shedlock, Jack K. Odum
1995, Professional Paper 1538-I
In the winter of 1811-12, three of the largest historic earthquakes in the United States occurred near New Madrid, Missouri. Seismicity continues to the present day throughout a tightly clustered pattern of epicenters centered on the bootheel of Missouri, including parts of northeastern Arkansas, northwestern Tennessee, western Kentucky, and southern...
Geologic map of the Duncan Peak and southern part of the Cisco Grove 7 1/2' quadrangles, Placer and Nevada Counties, California
David S. Harwood, G. Reid Fisher Jr., Barbara J. Waugh
1995, IMAP 2341
This map covers an area of 123 km2 on the west slope of the Sierra Nevada, an uplifted and west-tilted range in eastern California (fig. 1). The area is located 20 km west of Donner Pass, which lies on the east escarpment of the range, and about 80 km east...
Dust deposition in southern Nevada and California, 1984–1989: Relations to climate, source area, and source lithology
Marith C. Reheis, Rolf Kihl
1995, Journal of Geophysical Research D: Atmospheres (100) 8893-8918
Dust samples collected annually for 5 years from 55 sites in southern Nevada and California provide the first regional source of information on modern rates of dust deposition, grain size, and mineralogical and chemical composition relative to climate and to type and lithology of dust source. The...
The biogeochemistry of wetlands in the San Luis Valley, Colorado: The effects of acid drainage from natural and mine sources
Larry P. Gough, Laurie S. Balistrieri, F.E. Lichte, T.M. Yanosky, Ronald C. Severson, A.S. Archuleta
1995, Report
The Summitville Mine, located near the old mining town of Summitville in Rio Grande County, Colorado, operated between July 1986 and December 1992 as a large-tonnage open-pit heap-leach gold mine. During its 6 years of existence the trace metal levels in drainage water from the mine site were elevated over...
A 12 000 year radiocarbon date of deglaciation from the Continental Divide of northwestern Montana
Paul E. Carrara
1995, Canadian Journal of Earth Sciences (32) 1303-1307
During the Pinedale (Late Wisconsinan) glaciation, an outlet glacier from a mountain ice field flowed eastward across the Continental Divide through Marias Pass in northwestern Montana. This outlet glacier was the major source of the Two Medicine glacier, a large piedmont glacier that extended from the mountain front east about...
Floods in southeast Texas, October 1994
Fred Liscum, Jeffery W. East
1995, Fact Sheet 073-94
Rainfall in southeast Texas, which ranged in amounts from about 8 to more than 28 inches during October 15–19, 1994, caused severe flooding in parts of a 38-county area. A combination of meteorological events—residual atmospheric moisture over southern Texas associated with Hurricane Rosa from the Pacific Coast of Mexico and...
Low-grade, M1 metamorphism of the Douglas Island Volcanics, western metamorphic belt near Juneau, Alaska
Glen R. Himmelberg, David A. Brew, Arthur B. Ford
1995, GSA Special Papers (51) 51-66
The western metamorphic belt is part of the Coast plutonic-metamorphic complex of western Canada and southeastern Alaska that developed during collision of the Alexander terrane and Gravina assemblage on the west against the Yukon Prong and Stikine terranes to the east. Deformation, metamorphism, and plutonism range from about 120 to...
Geophysical setting of the Reelfoot Rift and relations between rift structures and the New Madrid seismic zone
T.G. Hildenbrand, J. D. Hendricks
1995, Professional Paper 1538-E
In the winter of 1811-12, three of the largest historic earthquakes in the United States occurred near New Madrid, Missouri. Seismicity continues to the present day throughout a tightly clustered pattern of epicenters centered on the bootheel of Missouri, including parts of northeastern Arkansas, northwestern Tennessee, western Kentucky, and southern...
Stratigraphic and structural synthesis of a Miocene extensional terrane, southeast California and west-central Arizona
Jane E. Nielson, Kathi K. Beratan
1995, Bulletin of the Geological Society of America (107) 241-252
Detailed stratigraphy and isotopic dating of stratigraphic sections in the Colorado River extensional corridor support a regional correlation of highly faulted Tertiary stratigraphic sequences and provide a chronologic framework for interpreting the evolution of low-angle normal (detachment) faults. On the basis of this correlation, we define six tilting domains in...
Upper Eocene impactites of the U.S. East Coast; depositional origins, biostratigraphic framework, and correlation
C. Wylie Poag, Marie-Pierre Aubry
1995, Palaios (10) 16-43
Similar successions of planktonic foraminifera, calcareous nannofossils, and bolboformids document coeval deposition of the Exmore impact breccia (Virginia Coastal Plain) and an impact ejecta layer at DSDP Site 612 (New Jersey Continental Slope). Both impactites accumulated in the late Eocene during the early part of biochrons P15 (planktonic foraminifera) and...
Spatial and temporal patterns of late quaternary eolian deposition, Eastern Colorado, U.S.A
Richard F. Madole
1995, Quaternary Science Reviews (14) 155-177
Eolian sediment covers about 60% of Colorado east of the Rocky Mountains; about 30% of the sediment is sand and 70% is loess. Initially, flood plains were the principal sources of eolian sediment, but during the Holocene, dunes formed from older eolian sand and alluvium on uplands. Since latest Pleistocene...
Petrology of Submarine Lavas from Kilauea's Puna Ridge, Hawaii
D. A. Clague, James G. Moore, J.E. Dixon, W.B. Friesen
1995, Journal of Petrology (36) 299-349
We have studied 30 quenched tholeiitic lava flows recovered by 20 dredge hauls and one submersible dive along Puna Ridge, the submarine part of the East Rift Zone of Kilauea Volcano, Hawaii Glass grains from numerous additional flows were recovered in turbidite sands cored in the Hawaiian Trough. These quenched...
The Pennsylvanian Fire Clay tonstein of the Appalachian basin—Its distribution, biostratigraphy, and mineralogy: Discussion and reply
William Outerbridge, C. L. Rice, Harvey E. Belkin, T.W. Henry, Michael J. Kunk
1995, GSA Bulletin (108) 120-125
No abstract available....
