Concentrations of metals in very small volumes of soil solution
T. Hinkley
1979, Nature (277) 444-446
A new method of sampling very small amounts of soil solution (0.3 g) shows that soil solutions contain high concentrations and unusual proportions of metals. In the soils studied, the solution is close in both metal proportions and total metal mass to what may be taken up annually by the...
Methods of ultimate carbonaceous BOD determination
J. K. Stamer, S. W. McKenzie, R.N. Cherry
1979, Journal of the Water Pollution Control Federation (51) 918-925
Studies were conducted to provide an accurate and practical technique for determining the concentration of ultimate carbonaceous biochemical oxygen demand and the rate at which this demand is exerted. The three methods evaluated were carbon derived, nitrification adjusted, and nitrification inhibited. The studies indicate that comparable concentrations and reaction rates...
Seismic gaps and source zones of recent large earthquakes in coastal Peru
J. W. Dewey, W. Spence
1979, Pure and Applied Geophysics PAGEOPH (117) 1148-1171
The earthquakes of central coastal Peru occur principally in two distinct zones of shallow earthquake activity that are inland of and parallel to the axis of the Peru Trench. The interface-thrust (IT) zone includes the great thrust-fault earthquakes of 17 October 1966 and 3 October 1974. The coastal-plate interior (CPI)...
The thermal expansion of anhydrite to 1000° C
Howard T. Evans Jr.
1979, Physics and Chemistry of Minerals (4) 77-82
The thermal expansion of anhydrite, CaSO4, has been measured from 22° to 1,000° C by X-ray diffraction, using the Guinier-Lenné heating powder camera. The heating patterns were calibrated with Guinier-Hägg patterns at 25° C, using quartz as internal standard. Heating experiments were run on natural anhydrite (Bancroft, Ontario), which at...
Plaque-forming cells and humoral antibody in rainbow trout (Salmo gairdneri) induced by immersion in a Yersinia ruckeri O-antigen preparation
D. P. Anderson, B.S. Roberson, O. W. Dixon
1979, Journal of the Fisheries Research Board of Canada (36) 636-639
Rainbow trout (Salmo gairdneri) were exposed to the O-antigen of Yersinia ruckeri by various immunization regimens. The passive hemolytic plaque assay was used to show specific splenic plaque-forming cells (PFC) and passive hemagglutination demonstrated humoral antibody titers in fish injected with or immersed in the antigen preparations. Preceding antigen immersion with a...
Induction of antibody-producing cells in rainbow trout, Salmo gairdneri Richardson, by flush exposure
D. P. Anderson, B.S. Roberson, O. W. Dixon
1979, Journal of Fish Biology (15) 317-322
Splenic antibody-producing cells were produced by rainbow trout that had been exposed to O-antigens extracted from Yersinia ruckeri and Aeromonas salmonicida by adding the concentrated antigen preparation directly into the water of the tank holding the fish for a flush exposure. This method was compared with the proven techniques of exposure: intraperitoneal injection or...
Space, time, and the third dimension (model error)
Marshall E. Moss
1979, Water Resources Research (15) 1797-1800
The space-time tradeoff of hydrologic data collection (the ability to substitute spatial coverage for temporal extension of records or vice versa) is controlled jointly by the statistical properties of the phenomena that are being measured and by the model that is used to meld the information sources. The control exerted...
Major geochemical processes in the evolution of carbonate-Aquifer systems
B.B. Hanshaw, W. Back
1979, Journal of Hydrology (43) 287-312
As a result of recent advances by carbonate petrologists and geochemists, hydrologists are provided with new insights into the origin and explanation of many aquifer characteristics and hydrologic phenomena. Some major advances include the recognition that: (1) most carbonate sediments are of biological origin; (2) they have a strong bimodal...
A room-temperature phase transition in maximum microcline - Heat capacity measurements
R. E. Openshaw, B. S. Hemingway, R. A. Robie, K. M. Krupka
1979, Physics and Chemistry of Minerals (5) 83-93
The thermal hysteresis in heat capacity measurements recently reported (Openshaw et al., 1976) for a maximum microcline prepared from Amelia albite by fused-salt ion-exchange is described in detail. The hysteresis is characterized by two limiting and reproducible curves which differ by 1% of the measured heat capacities. The lower curve,...
Uranium mobility during interaction of rhyolitic obsidian, perlite and felsite with alkaline carbonate solution: T = 120° C, P = 210 kg/cm2
Robert A. Zielinski
1979, Chemical Geology (27) 47-63
Well-characterized samples of rhyolitic obsidian, perlite and felsite from a single lava flow are leached of U by alkaline oxidizing solutions under open-system conditions. Pressure, temperature, flow rate and solution composition are held constant in order to evaluate the relative importance of differences in surface area and crystallinity. Under the...
Basic magnetic properties of bituminous coal
C.C. Alexander, A. N. Thorpe, F. E. Senftle
1979, Fuel (58) 857-863
Magnetic susceptibility and other static magnetic parameters have been measured on a number of bituminous coals from various locations in the United States. The paramagnetic Curie constant correlates negatively with carbon concentration on a moisture-free basis. The major contribution to the total paramagnetism comes from the mineral matter rather than...
Determination of the optimum-size californium-252 neutron source for borehole capture gamma-ray analysis
F. E. Senftle, R.J. Macy, J.L. Mikesell
1979, Nuclear Instruments and Methods (158) 293-302
The fast- and thermal-neutron fluence rates from a 3.7 ??g 252Cf neutron source in a simulated borehole have been measured as a function of the source-to-detector distance using air, water, coal, iron ore-concrete mix, and dry sand as borehole media. Gamma-ray intensity measurements were made for specific spectral lines at...
Feather mites of the greater sandhill crane (Grus canadensis tabida)
W.T. Atyeo, Ronald M. Windingstad
1979, Journal of Parasitology (65) 650-658
New taxa are described from Grus canadensis tabida: Brephosceles petersoni sp. n. (Alloptidae); Pseudogabucinia reticulata sp. n. (Kramerellidae); Geranolichus canadensis sp. n., and Gruolichus wodashae, gen. et sp. n. (Pterolichidae). Observations on resource partitioning by these mites are given....
Chemical and isotopic prediction of aquifer temperatures in the geothermal system at Long Valley, California
R.O. Fournier, M.L. Sorey, Robert H. Mariner, A.H. Truesdell
1979, Journal of Volcanology and Geothermal Research (5) 17-34
Temperatures of aquifers feeding thermal springs and wells in Long Valley, California, estimated using silica and Na-K-Ca geothermometers and warm spring mixing models, range from 160/dg to about 220??C. This information was used to construct a diagram showing enthalpy-chloride relations for the various thermal waters in the Long Valley region....
[Delta]34S values of selected sulfides from the Camp Smith uranium prospect and Phillips Mine massive sulfide deposit and their bearing on the genesis of the deposits
Richard I. Grauch, Joseph F. Whelan
1979, Open-File Report 79-829
No abstract available....
Uranium transport in the Walker River Basin, California and Nevada
L. V. Benson, D. L. Leach
1979, Journal of Geochemical Exploration (11) 227-248
During the summer of 1976 waters from tributaries, rivers, springs and wells were sampled in the Walker River Basin. Snow and sediments from selected sites were also sampled. All samples were analyzed for uranium and other elements. The resulting data provide an understanding of the transport of uranium within...
A review of recent activity in the United States.
H.L. Cannon, W.L. Petrie
1979, Philosophical Transactions of the Royal Society B: Biological Sciences (288) 137-149
Either an overabundance or a deficiency of trace metals in the food chain can ultimately affect adversely the health of livestock and man. Increasing interest in the United States in the distribution of metals in the environment and in metal pollutants has led to widespread interdisciplinary research sponsored by governmental,...
Gases in steam from Cerro Prieto geothermal wells with a discussion of steam/gas ratio measurements
N.L. Nehring, L.J.J. Fausto
1979, Geothermics (8) 253-255
As part of a joint USGS-CFE geochemical study of Cerro Prieto, steam samples were collected for gas analyses in April, 1977. Analyses of the major gas components of the steam were made by wet chemistry (for H2O,CO2,H2S and NH3) and by gas chromatography (He,H2,Ar,O2,N2 and hydrocarbons). The hydrocarbon gases in...
Water quality.
T.D. Steele, H.G. Stefan
1979, Reviews of Geophysics and Space Physics (17) 1306-1335
Significant contributions in the broad area of water quality over the quadrennium 1975-78 are highlighted. This summare is concerned primarily with physical and chemical aspects of water quality. The diversity of subject areas within the topic heading and the large volume of published research results necessitated the selection of representative...
Stratigraphic sections of Jurassic San Rafael Group and adjacent rocks in Delta, Mesa, and Montrose Counties, Colorado
James Clifton Wright, Dayton Delbert Dickey
1979, Open-File Report 79-250
No abstract available....
Application of a new Raman microprobe spectrometer to nondestructive analysis of sulfate and other ions in individual phases in fluid inclusions in minerals
G.J. Rosasco, E. Roedder
1979, Geochimica et Cosmochimica Acta (43) 1907-1915
Rosascoet al. (1975), reported the first successful application of laser-excited Raman spectroscopy for the identification and nondestructive partial analysis of individual solid, liquid, and gaseous phases in selected fluid inclusions. We report here the results of the application of a new instrument, based on back-scattering, that eliminates many of...
Sewage contamination in the New York Bight. Coprostanol as an indicator
Patrick G. Hatcher, P.A. McGillivary
1979, Environmental Science & Technology (13) 1225-1229
No abstract available....
Regional and local networks of horizontal control, Cerro Prieto geothermal area
B.L. Massey
1979, Geothermics (8) 275-281
The Cerro Prieto geothermal area in the Mexicali Valley 30 km southeast of Mexicali, Baja California, is probably deforming due to (1) the extraction of large volumes of steam and hot water, and (2) active tectonism. Two networks of precise horizontal control were established in Mexicali Valley by the U.S....
Kinetics of the primary immune response in rainbow trout after flush exposure to Yersinia ruckeri O-antigen
D. P. Anderson, O. W. Dixon, B.S. Roberson
1979, Developmental and Comparative Immunology (3) 739-744
Fish farming line
J.J. Giudice
1979, Aquaculture Magazine (5) 33
