Occlusion of the syrinx as a manifestation of aspergillosis in Canada geese
R. K. Stroud, R. M. Duncan
1982, Journal of the American Veterinary Medical Association (181) 1389-1390
Aspergillosis has been described in many species of wild waterfowl, primarily as a disease of the respiratory tract. Typically, mycotic granulomas are found in the lungs. Air sacs may be thickened and contain discoid individual or coalescing greenish or bluish plaques resembling bread mold. Occasionally, there is systemic involvement, with...
The solubilities of calcite, aragonite and vaterite in CO2-H2O solutions between 0 and 90°C, and an evaluation of the aqueous model for the system CaCO3-CO2-H2O
Niel Plummer, Eurybiades Busenberg
1982, Geochimica et Cosmochimica Acta (46) 1011-1040
Calculations based on approximately 350 new measurements (CaT-PCO2) of the solubilities of calcite, aragonite and vaterite in CO2-H2O solutions between 0 and 90°C indicate the following values for the log of the equilibrium constants KC, KA, and KV respectively, for the reaction CaCO3(s) = Ca2+ + CO2−3: <img...
Post-middle Miocene accretion of Franciscan rocks, northwestern California.
R. J. McLaughlin, S.A. Kling, R.Z. Poore, K. McDougall, E.C. Beutner
1982, Geological Society of America Bulletin (93) 595-605
Deformed sedimentary rocks assigned to the Franciscan assemblage in the King Range S of Cape Mendocino, N California, are dominantly deep-water argillite and sandstone occurring as thick- to thin-bedded, locally channelized marine turbidities of arkosic to andesitic volcaniclastic composition. The King Range appears to be a displaced terrane of oceanic...
Distribution, mineralogy, and texture of manganese nodules and their relation to sedimentation at DOMES Site A in the equatorial North Pacific
David Z. Piper, J. R. Blueford
1982, Deep Sea Research Part A, Oceanographic Research Papers (29) 927-951
DOMES Site A, in the equatorial North Pacific, was surveyed in detail in an attempt to relate the distribution of nodules to sedimentation. The sea floor is characterized by a broad east-west-trending valley defined by strongly dissected highlands to the north and...
Digital model of predevelopment flow in the Tertiary limestone (Floridan) aquifer system in west-central Florida
Paul D. Ryder
1982, Water-Resources Investigations Report 81-54
A computer model was calibrated to approximate predevelopment flow conditions in a multilayered aquifer system in 10,600 square miles in west-central Floria. The lowermost aquifer, called the Floridan aquifer, is confined in most of the study area and consists of carbonate rocks ranging up to 1,300 feet thick. The Floridan...
Water-quality records for selected reservoirs in Texas, 1976-77 water years
M.W. Flugrath, E. S. Chitwood
1982, Report
No abstract available....
Water-quality data for the American River basin, California, February-October 1979
J. M. Shay
1982, Open-File Report 82-363
Data were collected in the American River basin from February to October 1979 for use in assessing the water quality in the basin and developing land-use/water-quality relations. The basin covers 2,163 square miles of the western slope of the central Sierra Nevada. Basin headwaters are located primarily between Donner Summit...
Siderite concretions: indicators of early diagenesis in the Gammon shale (Cretaceous).
D. L. Gautier
1982, Journal of Sedimentary Petrology (52) 859-871
The Gammon member of the Pierre shale of the northern Great Plains, USA, contains abundant siderite concretions. The relative depth and time of siderite precipitation can be inferred from the structure, mineralogy and isotopic composition of these concretions. Concretions that formed at shallow depths, early in the history of the...
Simulated effects of ground-water development on the potentiometric surface of the Floridan aquifer, west-central Florida
W.E. Wilson, J. M. Gerhart
1982, Professional Paper 1217
A digital model of two-dimensional ground-water flow was used to predict changes in the potentiometric surface of the Floridan aquifer, 1976 to 2000, in a 5,938-square-mile area of west-central Florida. In 1975, ground water withdrawn from the Floridan aquifer for irrigation, phosphate mines, other industries, and municipal supplies averaged about...
Map showing cumulative thickness of sandstone in the "Dakota Sandstone," Montana
Richard D. Feltis
1982, Water-Resources Investigations Report 82-4035
No abstract available....
A new instrument for sampling flocculent material at the water/sediment interface
Michael H. Bothner, Page C. Valentine
1982, Journal of Sedimentary Research (52) 639-640
We have designed an instrument to collect fine-grained and flocculent material from the water/sediment interface for chemical and mineralogical analysis. The sampler can be used from a manned research submersible or by a diver in shallow water. In areas of active deposition, the material collected represents the most recently deposited...
Extraction and investigative techniques for study of interstitial waters of unconsolidated sediments: A review
P.A. Kriukov, Frank T. Manheim
Kent A. Fanning, Frank T. Manheim, editor(s)
1982, Book chapter, The dynamic environment of the ocean floor
No abstract available....
Map showing altitude of the top of the "Dakota Sandstone," Montana
Richard D. Feltis
1982, Water-Resources Investigations Report 82-4036
No abstract available....
Techniques of trend analysis for monthly water quality data
Robert M. Hirsch, James R. Slack, Richard A. Smith
1982, Water Resources Research (18) 107-121
Some of the characteristics that complicate the analysis of water quality time series are non-normal distributions, seasonality, flow relatedness, missing values, values below the limit of detection, and serial correlation. Presented here are techniques that are suitable in the face of the complications listed above for the exploratory analysis of...
Composition of estuarine colloidal material: Organic components
A.C. Sigleo, T.C. Hoering, G.R. Helz
1982, Geochimica et Cosmochimica Acta (46) 1619-1626
Colloidal material in the size range 1.2 nm to 0.4 μm was isolated by ultrafiltration from Chesapeake Bay and Patuxent River waters (U.S.A.). Temperature controlled, stepwise pyrolysis of the freeze-dried material, followed by gas chromatographic-mass spectrometric analyses of the volatile products indicates that the primary organic components of this polymer...
Evolution of geothermal fluids deduced from chemistry plots: Yellowstone National Park (U.S.A.)
E. Mazor, J. M. Thompson
1982, Journal of Volcanology and Geothermal Research (12) 351-360
Large amounts of chemical data, obtained in geothermal fields, may readily be sorted-out by the aid of a simple set of graphs that provide a clear over-all picture and facilitate the understanding of geochemical processes taking place. As a case study, data from several hundred samples of the thermal springs...
Holocene sedimentation in the shallow nearshore zone off Nauset Inlet, Cape Cod, Massachusetts
D.G. Aubrey, D.C. Twichell, S.L. Pfirman
1982, Marine Geology (47) 243-259
Present conditions and sedimentary evolution of the shallow offshore region near Nauset Inlet on Cape Cod, Massachusetts were clarified using high-resolution seismic-reflection profiles, sidescan-sonar records, surface grab samples and current meter measurements. The study area contains three provinces: (1) a nearshore province (shallower than 18 m) with a relatively steep...
Identification of the Holocene-Pleistocene boundary in the Bering Sea by diatoms.
J.G. Baldauf
1982, Boreas (11) 113-118
The modern diatom flora from surface sediment of the Navarin Basin region of the Bering Sea is dominated by Denticulopsis seminae and Nitzschia oceanica. D. seminae, a north boreal species, is most abundant in the deeper waters of the slope-basin regions, whereas N. oceanica, an Arctic species associated with ice...
The effect of natural weathering on the chemical and isotopic compositions of biotites
Norbert Clauer, J. R. O’Neil, C. Bonnot-Courtois
1982, Geochimica et Cosmochimica Acta (46) 1755-1762
The effect of progressive natural weathering on the isotopic (Rb-Sr, K-Ar, δD, δ18O) and chemical (REE, H2O+) compositions of biotite has been studied on a suite of migmatitic biotites from the Chad Republic. During the early stages of weathering the Rb-Sr system is strongly affected, the hydrogen and oxygen isotope compositions...
Carbonate porosity versus depth: A predictable relation for south Florida
J. W. Schmoker, R. B. Halley
1982, American Association of Petroleum Geologists Bulletin (66) 2561-2570
This study examines the porosity of limestones and dolomites in the South Florida basin. Porosity data are derived from borehole-gravity measurements and from suites of acoustic, neutron, and density logs. Both types of wire-line measurements sample large volumes of rock relative to petrographic methods and can be examined at vertical...
Two-dimensional compressional wave velocity structure under San Francisco Volcanic Field, Arizona, from teleseismic P residual measurements
D.A. Stauber
1982, Journal of Geophysical Research Solid Earth (87) 5451-5459
A low compressional-wave velocity region in the midcrust below the San Francisco Mountain stratovolcano, Arizona, has been detected by the teleseismic P residual technique. This region is approximately 6 km wide, lies between elevations of 9 km and 34 km below sea level, and has a compressional velocity reduction of more than...
Incorporation of prior information on parameters into nonlinear regression groundwater flow models: 1. Theory
Richard L. Cooley
1982, Water Resources Research (18) 965-976
Prior information on the parameters of a groundwater flow model can be used to improve parameter estimates obtained from nonlinear regression solution of a modeling problem. Two scales of prior information can be available: (1) prior information having known reliability (that is, bias and random error structure) and (2) prior...
A comparison of four streamflow record extension techniques
Robert M. Hirsch
1982, Water Resources Research (18) 1081-1088
One approach to developing time series of streamflow, which may be used for simulation and optimization studies of water resources development activities, is to extend an existing gage record in time by exploiting the interstation correlation between the station of interest and some nearby (long-term) base station. Four methods of...
Evaluating depth to shallow groundwater using Heat Capacity Mapping Mission (HCMM) data
J. L. Heilman, Donald G. Moore
1982, Photogrammetric Engineering and Remote Sensing (48) 1903-1906
Four dates of Heat Capacity Mapping Mission (HCMM) data were analyzed to evaluate the utility of HCMM thermal data for evaluating depth to shallow groundwater. During the summer, shallow water tables can create lower soil temperatures throughout the diurnal temperature cycle. Because of large spatial and temporal ground cover variations,...
The solubility of quartz in aqueous sodium chloride solution at 350°C and 180 to 500 bars
Robert O. Fournier, Robert J. Rosenbauer, James L. Bischoff
1982, Geochimica et Cosmochimica Acta (46) 1975-1978
The solubility of quartz in 2, 3, and 4 molal NaCl was measured at 350°C and pressures ranging from 180 to 500 bars. The molal solubility in each of the salt solutions is greater than that in pure water throughout the measured pressure range, with the ratio of solubility in...
