Infiltration through layered-soil trench covers: Response to an extended period of rainfall
T.H. Larson, D.A. Keefer, K.A. Albrecht, K. Cartwright
1988, Journal of Contaminant Hydrology (3) 251-261
Four experimental waste disposal trench covers were constructed to test the effectiveness of layered-soil cover designs in reducing infiltration. Three covers each consisted of a layer of gravel between an overlying wick layer of compacted fine-grained material (either silt or loam)...
Partition of nonionic organic compounds in aquatic systems
James A. Smith, Patrick J. Witkowski, Cary T. Chiou
1988, Reviews of Environmental Contamination and Toxicology (103) 127-151
In aqueous systems, the distribution of many nonionic organic solutes in soil-sediment, aquatic organisms, and dissolved organic matter can be explained in terms of a partition model. The nonionic organic solute is distributed between water and different organic phases that behave as bulk solvents. Factors such as polarity, composition, and...
Hausmannite (Mn3O4) conversion to manganite (γ-MnOOH) in dilute oxalate solution
Carol J. Lind
1988, Environmental Science & Technology (22) 62-70
Oxalic acid retards the alteration of Mn3O4 to γ-MnOOH during aging at pH 7.4 ?? 0.2 in well-aerated, abiotic suspensions that contain 4.4 ?? 10-3 M total Mn. In solutions of 1.25 ?? 10-3 M oxalate and greater, about 15% of the initial Mn3O4 altered to ??-MnOOH by day 10,...
Late Pleistocene drainage systems beneath Delaware Bay
H.J. Knebel, R.C. Circe
1988, Marine Geology (78) 285-302
Analyses of an extensive grid of seismic-reflection profiles, along with previously published sedimentary data and geologic information from surrounding coastal areas, outline the ancestral drainage systems of the Delaware River beneath lower Delaware Bay. Major paleovalleys within these systems have southeast trends, relief of 10-35 m, widths of 1-8 km,...
A magmatic model of Medicine Lake Volcano, California
J.M. Donnelly-Nolan
1988, Journal of Geophysical Research Solid Earth (93) 4412-4420
Medicine Lake volcano is a Pleistocene and Holocene shield volcano of the southern Cascade Range. It is located behind the main Cascade arc in an extensional tectonic setting where high-alumina basalt is the most commonly erupted lava. This basalt is parental to the higher-silica calc-alkaline and tholeiitic lavas that make...
Contamination of estuarine water, biota, and sediment by halogenated organic compounds: A field study
W. E. Pereira, C.E. Rostad, C. T. Chiou, T.I. Brinton, L.B. Barber II, D.K. Demcheck, C. R. Demas
1988, Environmental Science & Technology (22) 772-778
Studies conducted in the vicinity of an industrial outfall in the Calcasieu River estuary, Louisiana, have shown that water, bottom and suspended sediment, and four different species of biota are contaminated with halogenated organic compounds (HOC) including haloarenes. A "salting-out" effect in the estuary moderately enhanced the partitioning tendency of...
Mineralization, alteration, and hydrothermal metamorphism of the ophiolite-hosted Turner-Albright sulfide deposit, southwestern Oregon
R.A. Zierenberg, Wayne C. Shanks III, W.E. Seyfried Jr., R.A. Koski, M.D. Strickler
1988, Journal of Geophysical Research Solid Earth (93) 4657-4674
The Turner-Albright sulfide deposit, part of the Josephine ophiolite, formed on and below the seafloor during Late Jurassic volcanism at a back arc spreading center. Ore fluids were probably localized by faults which were active on the seafloor at the time of sulfide deposition. The uppermost massive sulfide formed on...
The aqueous geochemistry of uranium in a drainage containing uraniferous organic-rich sediments, Lake Tahoe area, Nevada, USA
R. A. Zielinski, J. K. Otton, R. B. Wanty, C. T. Pierson
1988, Uranium (4) 281-305
Anomalously uraniferous waters occur in a small (4.2 km2) drainage in the west-central Carson Range, Nevada, on the eastern side of Lake Tahoe. The waters transport uranium from local U-rich soils and bedrock to organic-rich valley-fill sediments where it is concentrated, but weakly bound. The dissolved U and the U...
Rapid changes in dissolved humic substances in Spirit Lake and South Fork Castle Lake, Washington
Diane M. McKnight, K. A. Thorn, R.L. Wershaw, J.M. Bracewell, G.W. Robertson
1988, Limnology and Oceanography (33) 1527-1541
One major effect of the eruption of Mount St. Helens, Washington, was a large increase of dissolved organic material in the lakes of the area devastated near the volcano. Much of this material was aquatic fulvic acid derived from plants and soils from the surrounding watershed. During the 3 yr...
Potential for diamond in kimberlites from Michigan and Montana as indicated by garnet xenocryst compositions
E. S. McGee
1988, Economic Geology (83) 428-432
No abstract available....
Volumetric strain in relation to particle displacements for body and surface waves in a general viscoelastic half-space
R. D. Borcherdt
1988, Geophysical Journal (93) 215-228
Dilatational earth strain, associated with the radiation fields for several hundred local, regional, and teleseismic earthquakes, has been recorded over an extended bandwidth and dynamic range at four borehole sites near the San Andreas fault, CA. The general theory of linear viscoelasticity is applied to account for anelasticity of the...
Search for volatiles on icy satellites: I. Europa
R. H. Brown, D. P. Cruikshank, A. T. Tokunaga, R. G. Smith, Roger N. Clark
1988, Icarus (74) 262-271
New reflectance spectra have been obtained for both the leading and trailing sides of Europa, using the Cooled Grating Array Spectrometer (CGAS) of the NASA Infrared Telescope Facility (IRTF). The spectra are of higher precision than any yet obtained. Spectra of Europa's trailing side (central meridian longitude ≈300°) obtained in...
Paleomagnetic results from the Shasta Bally Plutonic Belt in the Klamath Mountains Province, northern California
Edward A. Mankinen, William P. Irwin, C. Sherman Gromme
1988, Geophysical Research Letters (15) 56-59
Available paleomagnetic data show approximately 100° of clockwise rotation for Permian and Triassic strata of the Eastern Klamath terrane. Jurassic strata of this terrane are rotated approximately 60° clockwise, which is comparable to rotations reported for Jurassic plutons that occur elsewhere in the Klamath Mountains province. Paleomagnetic data obtained during...
Earthquakes, July-August 1988
W. J. Person
1988, Earthquakes & Volcanoes (USGS) (20) 234-237
Major earthquakes (7.0-7.9) struck the Burma-India border on August 6 and the Solomon Islands on August 10. The most devastating earthquake during this reporting period was a magnitude 6.6 on the Nepal-India border on August 20. In the United States, there were no casualties from earthquakes but moderate earthquakes (5.0-5.9) were...
Volcanology in Hawaii
R. Decker, B. Decker
1988, Earthquakes & Volcanoes (USGS) (20) 4-30
Polynesians who first inhabited the Hawaiian Islands told in legend about Pele, Goddess of volcanic fires, who migrated from the Island of Kauai to Oahu, then to Maui, and finally to her present home in Kilauea Volcano's Halemaumau Crater on the Island of Hawaii. Geologists today accept this same relative...
Styles of organic facies development in selected coal beds of the Powder River Basin: A petrographic evaluation
R.W. Stanton, Timothy A. Moore, Peter D. Warwick, S.S. Crowley, Romeo M. Flores
G. S. Holden, editor(s)
1988, Book chapter, Geological Society of America Field Trip Guidebook, Colorado School of Mines Professional Contributions no. 12
No abstract available....
The role of the Federal government in the Parkfield earthquake prediction experiment
J.R. Filson
1988, Earthquakes & Volcanoes (USGS) (20) 56-59
Earthquake prediction research in the United States us carried out under the aegis of the National Earthquake Hazards Reduction Act of 1977. One of the objectives of the act is "the implementation in all areas of high or moderate seismic risk, of a system (including personnel and procedures) for predicting...
The relative contribution of accretion, shear, and extension to Cenozoic tectonic rotation in the Pacific Northwest
Ray E. Wells, Paul L. Heller
1988, GSA Bulletin (100) 325-338
Large Cenozoic clockwise rotations defined by paleomagnetic data are an established fact in the Pacific Northwest, and many tectonic models have been proposed to explain them, including (1) rotation of accreted oceanic microplates during docking, (2) dextral shear between North America and northward-moving oceanic plates to the west, and (3)...
Assessing the earthquake hazards in urban areas
W. W. Hays, P. L. Gori, W. J. Kockelman
1988, Earthquakes & Volcanoes (USGS) (20) 208-212
Major urban areas in widely scattered geographic locations across the United States are a t varying degrees of risk from earthquakes. the locations of these urban areas include Charleston, South Carolina; Memphis Tennessee; St.Louis, Missouri; Salt Lake City, Utah; Seattle-Tacoma, Washington; Portland, Oregon; and Anchorage, Alaska; even Boston, Massachusetts, and...
Scientific goals of the Parkfield earthquake prediction experiment
W. Thatcher
1988, Earthquakes & Volcanoes (USGS) (20) 78-82
Several unique circumstances of the Parkfield experiment provide unprecedented opportunities for significant advances in understanding the mechanics of earthquakes. to our knowledge, there is no other seismic zone anywhere where the time, place, and magnitude of an impending earthquake are specified as precisely. Moreover, the epicentral region is located on...
Gorwth, composition, and fin quality of Atlantic salmon fed different diets at seasonal temperatures in a laboratory and hatchery
C. A. Lemm, D. V. Rottiers, D. S. Dropkin, B.A. Dennison
1988, Biological Report 8
No abstract available at this time...
Preliminary report on effect of bullfrogs on wetland herpetofaunas in southeastern Arizona
C.R. Schwalbe, P.C. Rosen
1988, Research Memorandum RM-166
No abstract available at this time...
What is worse than the “big one”?
R. A. Kerr
1988, Earthquakes & Volcanoes (USGS) (20) 213-218
The Whittier Narrows California earthquake sequence (local magnitude, Ml=5.9 or 1 October, 1987), which caused over $358 million damage, indicates that assessments of earthquake hazards in Los Angeles metropolitan area may be underestimated. the sequence ruptured a previously unidentified thrust fault that may be part of a large system of...
Character, origin and occurrence of natural gases in the Anadarko basin, southwestern Kansas, western Oklahoma and Texas Panhandle, U.S.A.
D. D. Rice, C. N. Threlkeld, A.K. Vuletich
1988, Chemical Geology (71) 149-157
Natural gas production in the Anadarko basin comes from three geographically separated areas that can be differentiated by age of reservoir and by inferred nature of organic, thermal origin of the gases. In the central basin, non-associated gases are produced mainly from Upper Mississippian and Pennsylvanian sandstones. Gas samples are...
Methane hydrate - A major reservoir of carbon in the shallow geosphere?
K.A. Kvenvolden
1988, Chemical Geology (71) 41-51
Methane hydrates are solids composed of rigid cages of water molecules that enclose methane. Sediment containing methane hydrates is found within specific pressure-temperature conditions that occur in regions of permafrost and beneath the sea in outer continental margins. Because methane hydrates are globally widespread and concentrate methane within the gas-hydrate...
