A fan dam for Tulare Lake, California, and implications for the Wisconsin glacial history of the Sierra Nevada
B.F. Atwater
1986, Geological Society of America Bulletin (97) 97-109
Historic fluctuations and late Quaternary deposits of Tulare Lake, in the southern San Joaquin Valley, indicate that maximum lake size has depended chiefly on the height of a frequently overtopped spillway. This dependence gives Tulare Lake a double record of paleoclimate. Climate in...
Regional resource depletion and industry activity: The case of oil and gas in the Gulf of Mexico
E. D. Attanasi
1986, Socio-Economic Planning Sciences (20) 283-289
Stable and declining oil and gas prices have changed the industry's price expectations and, along with depletion of promising exploration prospects, has resulted in reduced exploration. Even with intensive additional exploration, production in most U.S. areas is expected to decline. What does this imply for the drilling and petroleum industry...
New method for the measurement of osmium isotopes applied to a New Zealand Cretaceous/Tertiary boundary shale
F.E. Lichte, S.M. Wilson, R.R. Brooks, R.D. Reeves, J. Holzbecher, D.E. Ryan
1986, Nature (322) 816-817
The determination of osmium content and isotopic abundances in geological materials has received increasing attention in recent years following the proposal of Alvarez et al.1 that mass extinctions at the end of the Cretaceous period were caused by the impact of a large (???10km) meteorite which left anomalously high iridium...
Secretinite: A proposed new maceral of the inertinite maceral group
P.C. Lyons, Patrick G. Hatcher, F. W. Brown
1986, Fuel (65) 1094-1098
The new maceral secritinite (name derived from the word ‘secretory’) is proposed for subcircular, ovoid, crescent-shaped or oblong, commonly round on one or more sides, noncellular, highly reflective components of the inertinite maceral group. This maceral of secretory origin, known from many bituminous coals throughout the world, has been confused...
Geochemical exploration for mineralized breccia pipes in northern Arizona, U.S.A.
K. J. Wenrich
1986, Applied Geochemistry (1) 469-485
Thousands of solution-collapse breccia pipe crop out in the canyons and on the plateaus of northern Arizona. Over 80 of these are known to contain U or Cu mineralized rock. The high-grade U ore associated with potentially economic concentrations of Ag, Pb, Zn, Cu, Co and Ni in some of...
Timing of volcanic and hydrothermal activity, Huancavelica mercury district, Peru.
E.H. McKee, D. C. Noble, C. Vidal C.
1986, Economic Geology (81) 489-492
No abstract available....
Extractable cadmium, mercury, copper, lead, and zinc in the lower Columbia River estuary, Oregon and Washington
Gregory J. Fuhrer
1986, Water-Resources Investigations Report 86-4088
No abstract available....
Description and generalized distribution of aquifer materials in the alluvial basins of Arizona and adjacent parts of California and New Mexico
Geoffrey W. Freethey
1986, Hydrologic Atlas 663
No abstract available....
Authors' reply
R.M. Hirsch, N.E. Peters
1986, Atmospheric Environment (20) 230-232
No abstract available....
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...
Infectious diseases of cultured fishes: current perspectives
G. L. Bullock, K. Wolf
1986, Fish and Wildlife Leaflet 5
No abstract available at this time...
Experimentally, whirling disease infectivity survives but for a few days
M.E. Markiw
1986, Research Information Bulletin 86-40
No abstract available at this time...
Identifying hydraulically conductive fractures with a slow-velocity borehole flowmeter
Alfred E. Hess
1986, Canadian Geotechnical Journal (23) 69-78
The U.S. Geological Survey used a recently developed heat-pulse flowmeter to measure very slow borehole axial water velocities in granitic rock at a site near Lac du Bonnet, Manitoba, Canada. The flowmeter was used with other geophysical measurements to locate and identify hydraulically conducting fractures contributing to the very slow...
Response of lake trout and rainbow trout to dietary cellulose
H. A. Poston
1986, Technical Report 5
No abstract available at this time...
Effects of urbanization on streamflow, sediment loads, and channel morphology in Pheasant Branch basin near Middleton, Wisconsin
W.R. Krug, G. L. Goddard
1986, Water-Resources Investigations Report 85-4068
A 5-year, data-collection and modeling study was conducted on Pheasant Branch basin in and near Middleton, Wisconsin. The objectives of the study were to: (1) describe the streamflow characteristics, sediment transport, and stream-channel morphology in the Pheasant Branch basin; and (2) relate the above factors to changes caused by urbanization...
The venomous reptiles of Arizona
C.H. Lowe, C.R. Schwalbe, T.B. Johnson
1986, Book
No abstract available at this time...
Western Stump Lake, a major canvasback staging area in eastern North Dakota
H.A. Kantrud
1986, Prairie Naturalist (18) 247-253
Large numbers of waterfowl, especially canvasback (Aythya valisineria), used Western Stump Lake as a staging area during most of October 1985. Selection of the lake as a conditioning site by this species likely is caused by extensive, shallow-water beds of sago pondweed (Potamogeton pectinatus) and lack of human disturbance. A...
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....
Approximating edges of source bodies from magnetic or gravity anomalies
R.J. Blakely, R.W. Simpson
1986, Geophysics (51) 1494-1498
Cordell and Grauch (1982, 1985) discussed a technique to estimate the location of abrupt lateral changes in magnetization or mass density of upper crustal rocks. The final step of their procedure is to identify maxima on a contoured map of horizontal gradient magnitudes. We attempt to automate their final step....
Genesis of the Spar Lake strata-bound copper-silver deposit, Montana: Part I. Controls inherited from sedimentation and preore diagenesis
T. S. Hayes, M.T. Einaudi
1986, Economic Geology (81) 1899-1931
Mineable zones of the Spar Lake deposit occur where argentiferous copper sulfides and native silver formed cements and replaced certain earlier cements and clasts in the gently dipping middle quartzite beds of the upper member of the Revett Formation, middle Proterozoic Belt Supergroup. The copper sulfides and native silver are...
RAINFALL-LOSS PARAMETER ESTIMATION FOR ILLINOIS.
Linda S. Weiss, Audrey L. Ishii
1986, Conference Paper
The U. S. Geological Survey is currently conducting an investigation to estimate values of parameters for two rainfall-loss computation methods used in a commonly used flood-hydrograph model. Estimates of six rainfall-loss parameters are required: four for the Exponential Loss-Rate method and two for the Initial and Uniform Loss-Rate method. Multiple...
A case study of soil gases as an exploration guide in glaciated terrain: Crandon massive sulfide deposit, Wisconsin
J. Howard McCarthy, R. N. Lambe, John A. Dietrich
1986, Economic Geology (81) 408-420
The Crandon massive sulfide deposit is covered by as much as 65 m of glacial drift. Soil gas was sampled at a depth of 0.5 m along several traverses over the deposit. Gases showing anomalies that correlate with the underlying deposit include CO 2 , CH 4 , and O 2 . CO 2 and CH 4 show positive anomalies...
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...
Kinetics of reduction of plutonium(VI) and neptunium(VI) by sulfide in neutral and alkaline solutions
K.L. Nash, J.M. Cleveland, J.C. Sullivan, M. Woods
1986, Inorganic Chemistry (25) 1169-1173
No abstract available....
Stratigraphic setting and mineralogy of the Arctic volcanogenic massive sulfide prospect, Ambler district, Alaska
J.M. Schmidt
1986, Economic Geology (81) 1619-1643
The Arctic prospect, south central Brooks Range, is among the 30 largest of 508 volcanic-hosted massive sulphide deposits in the world. The massive sulphide lenses are interlayered with graphitic schist between metamorphosed rhyolite porphyries in Middle Devonian to early Mississippian metamorphosed volcanic, volcaniclastic and sedimentary rocks. Hydrothermal alteration is of...
