NEUTRALIZATION OF ACIDIC GROUND WATER NEAR GLOBE, ARIZONA.
James H. Eychaner, Kenneth G. Stollenwerk
Schmidt Kenneth D., editor(s)
1985, Conference Paper
Highly acidic contaminated water is moving through a shallow aquifer and interacting with streams near Globe, Arizona. Dissolved concentrations reach 3,000 mg/L iron, 150 mg/L copper, and 16,400 mg/L total dissloved solids; pH is as low as 3. 6. Samples from 16 PVC-cased observation wells include uncontaminated, contaminated, transition, and...
Low-temperature molar heat capacities and entropies of MnO2 (pyrolusite), Mn3O4 (hausmanite), and Mn2O3 (bixbyite)
R. A. Robie, B. S. Hemingway
1985, Journal of Chemical Thermodynamics (17) 165-181
Pyrolusite (MnO2), hausmanite (Mn3O4), and bixbyite (Mn2O3), are important ore minerals of manganese and accurate values for their thermodynamic properties are desirable to understand better the {p(O2), T} conditions of their formation. To provide accurate values for the entropies of these important manganese minerals, we have measured their heat capacities...
Remotely sensed limonite anomaly on Lordsburg Mesa, New Mexico: Possible implications for uranium deposits
G. L. Raines, J. A. Erdman, J. H. McCarthy, G.M. Reimer
1985, Economic Geology (80) 575-590
We have identified a large, anomalously limonitic area in Cenozoic gravels on Lordsburg Mesa near Lordsburg, New Mexico, using Landsat images. Our interpretation of the geophysical and geochemical data suggests the exploration hypothesis that the Lordsburg Mesa limonite anomaly is the surface expression of a chemical trap that may contain...
Magadi-type chert, indicator of a lacustrine environment in the Middle Eocene McBean formation, South Carolina.
B. B. Houser
1985, Southeastern Geology (25) 185-197
Magadi-type chert (chert derived from magadiite) occurs in the basal part of the formation at three localities in Orangeburg and Calhoun Counties. These occurrences imply that the basal part of the McBean formation was deposited here in an alkaline lake with a high silica content. Formation and filling of the...
Late Holocene vegetation changes in Greenwater Valley, Mojave Desert, California
K.L. Cole, R. H. Webb
1985, Quaternary Research (23) 227-235
Small-scale late Holocene vegetation changes were determined from a series of 13 modern and fossil packrat middens collected from a site in the Greenwater Valley, northern Mojave Desert, California. Although the site is above the modern lower limit of Coleogyne ramosissima (black-brush), macrofossils of this shrub are only present in...
Apatitic connecting rings in moulds of Baculites sp. from the middle part of the Smoky Hill Member, Niobrara Chalk (Santonian), of western Kansas
W.A. Hasenmueller, D.E. Hattin
1985, Cretaceous Research (6) 317-330
Moulds of Baculites sp. are common in the Smoky Hill Member but only five known specimens contain connecting rings that have been preserved because of mineralisation by carbonate apatite. Analysis of four of these specimens suggests that the connecting rings were originally composed of organic material and were mineralised during early diagenesis....
Resolving controls on epeiric sedimentation using trend surface analysis
W.L. Watney
1985, Journal of the International Association for Mathematical Geology (17) 427-454
An understanding of patterns of regional sedimentation is crucial to identifying trends of perspective petroleum reservoirs. The Upper Pennsylvanian, Missourian Kansas City Group consists of repetitions of widespread carbonate rock and shale. Each of four cyclothems chosen for subsurface study of western Kansas contains transgressive and regressive lithofacies with evidence...
Foreshocks and time-dependent earthquake hazard assessment in southern California
Lucile M. Jones
1985, Bulletin of the Seismological Society of America (75) 1667-1679
The probability that an earthquake in southern California (M ≧ 3.0) will be followed by an earthquake of larger magnitude within 5 days and 10 km (i.e., will be a foreshock) is 6 ± 0.5 per cent (1 S.D.), and is not significantly dependent on the magnitude of the possible...
EVALUATION OF THE EFFECTS OF WEATHERING ON A 50-YEAR OLD RETORTED OIL-SHALE WASTE PILE, RULISON EXPERIMENTAL RETORT, COLORADO.
Michele L. Tuttle, Walter E. Dean, Daniel J. Ackerman
Gary James H., editor(s)
1985, Conference Paper, Oil Shale Symposium Proceedings
An oil-shale mine and experimental retort were operated near Rulison, Colorado by the U. S. Bureau of Mines from 1926 to 1929. Samples from seven drill cores from a retorted oil-shale waste pile were analyzed to determine 1) the chemical and mineral composition of the retorted oil shale and 2)...
Managing mapping data using commercial data base management software.
A.A. Elassal
1985, Photogrammetric Engineering and Remote Sensing (51) 1133-1136
Electronic computers are involved in almost every aspect of the map making process. This involvement has become so thorough that it is practically impossible to find a recently developed process or device in the mapping field which does not employ digital processing in some form or another. This trend, which...
Water balance models in one-month-ahead streamflow forecasting
William M. Alley
1985, Water Resources Research (21) 597-606
Techniques are tested that incorporate information from water balance models in making 1-month-ahead streamflow forecasts in New Jersey. The results are compared to those based on simple autoregressive time series models. The relative performance of the models is dependent on the month of the year in question. The water balance...
Composition and morphology of ferromanganese coatings on glacial erratics in Lydonia Canyon, United States East Coast
L.J. Poppe, Dennis W. O’Leary, R.F. Commeau
1985, Geo-Marine Letters (5) 127-133
Ferromanganese coatings have been found on glacial erratics in Lydonia Canyon, off the United States northeastern coast. The coatings, which are about 17 ??m thick, consist of an outer manganese-rich layer which covers the top of the erratic, a middle transitional layer, and an internal iron-rich layer that encircles the...
U-Pb isochron age and Pb isotope systematics of the Golden Fleece vein; implications for the relationship of mineralization to the Lake City caldera, western San Juan Mountains, Colorado
K. Hon, K.R. Ludwig, K. R. Simmons, J. F. Slack, R. I. Grauch
1985, Economic Geology (80) 410-417
A U-Pb isochron age of 27.5 + or - 0.5 m.y. has been determined for the Golden Fleece vein, southwestern Colorado, which contains an assemblage of pitchblende and gold-silver tellurides unique within the Lake City area. Initial Pb isotope ratios of ore samples from the vein ( 206 Pb/ 204 Pb = 19.08-19.58; 207 Pb/ 204 Pb =...
Mallard recruitment in the agricultural environment of North Dakota
L.M. Cowardin, D.S. Gilmer, Charles W. Shaiffer
1985, Wildlife Monographs (92) 3-37
Recruitment of a mallard (Anas platyrhynchos) population was assessed on a 10,041-km2 study area in central North Dakota during 1977-80. We equipped 338 hens with radio transmitters and monitored them during the breeding season. Two hundred thirty-five of these hens furnished data reported here. Habitat use, nest site selection, fate...
Estimating neighborhood variability with a binary comparison matrix.
D.L. Murphy
1985, Photogrammetric Engineering and Remote Sensing (51) 667-674
A technique which utilizes a binary comparison matrix has been developed to implement a neighborhood function for a raster format data base. The technique assigns an index value to the center pixel of 3- by 3-pixel neighborhoods. The binary comparison matrix provides additional information not found in two other neighborhood...
Wildlife health implications of sewage disposal in wetlands
M. Friend
P.J. Godfrey, E.R. Kaynor, S. Pelczarski, editor(s)
1985, Book chapter, Ecological Considerations in Wetlands Treatment of Municipal Wastewaters
Wildlife health concerns associated with disposal of sewage effluent in wetlands are of three primary types: (1) introduction of pathogens, (2) introduction of pollutants that adversely impact on host body defense mechanisms, and (3) changes in the physical and chemical properties of wetlands that favor the development and maintenance of...
Overview of hydrologic-data collection by the US Geological Survey in Oklahoma.
L.D. Hauth
1985, Oklahoma Geology Notes (45) 149-161
The US Geological Survey (USGS) collects hydrologic data from 1332 stream, lake, and ground-water sites in Oklahoma. Information on the quantity of water from a network of 123 streamflow stations, 30 lakes, 42 peak-flow stations, three low-flow stations, and on the quality of water from 40 stream locations is published...
Downstream dilution of a lahar: Transition from debris flow to hyperconcentrated streamflow
Thomas C. Pierson, Kevin M. Scott
1985, Water Resources Research (21) 1511-1524
Nearly instantaneous melting of snow and ice by the March 19, 1982, eruption of Mount St. Helens released a 4 × 106 m3 flood of water from the crater that was converted to a lahar (volcanic debris flow) through erosion and incorporation of sediment by the time it reached the base of...
Development of a culture medium for determination of sorbitol utilization among strains of Yersinia ruckeri
R. C. Cipriano, S. W. Pyle
1985, Microbios Letters (28) 79-82
Modeling the rate-controlled sorption of hexavalent chromium
D.B. Grove, Kenneth G. Stollenwerk
1985, Water Resources Research (21) 1703-1709
Sorption of chromium VI on the iron-oxide- and hydroxide-coated surface of alluvial material was numerically simulated with rate-controlled reactions. Reaction kinetics and diffusional processes, in the form of film, pore, and particle diffusion, were simulated and compared with experimental results. The use of empirically calculated rate coefficients for diffusion through...
Three-dimensional trend mapping from wire-line logs
J.H. Doveton, Z. Ke-an
1985, Journal of the International Association for Mathematical Geology (17) 485
Mapping of lithofacies and porosities of stratigraphic units is complicated because these properties vary in three dimensions. The method of moments was proposed by Krumbein and Libby (1957) as a technique to aid in resolving this problem. Moments are easily computed from wireline logs and are simple statistics which summarize...
Electrical Techniques for Engineering Applications
Robert J. Bisdorf
1985, Bulletin of the Association of Engineering Geologists (22) 421-433
Surface electrical geophysical methods have been used in such engineering applications as locating and delineating shallow gravel deposits, depth to bedrock, faults, clay zones, and other geological phenomena. Other engineering applications include determining water quality, tracing ground water contaminant plumes and locating dam seepages. Various methods and electrode arrays are...
Morphology of the Ebro fan valleys from SeaMARC and sea beam profiles
B. Alonso, K.A. Kastens, A. Maldonado, A. Malinverno, C.H. Nelson, S. O'Connell, A. Palanques, William B. F. Ryan
1985, Geo-Marine Letters (5) 141-148
The northern continental slope off the Ebro Delta has a badland topography indicating major slope erosion and mass movement of material that deposits sediment into a ponded lobe. The southern slope has a low degree of mass movement activity and slope valleys feed channel levee-complexes on a steep continental rise....
Description and origin of the lower part of the Mesaverde Group in Rifle Gap, Garfield County, Colorado.
D.J. Madden
1985, Mountain Geologist (22) 128-138
Rifle Gap cuts through the central part of the Grand Hogback and the gap exposes the entire Upper Cretaceous Mesaverde Group. The best outcrops are on the roadcuts through the coal-rich lower part of the group. These roadcuts border the Rifle Gap dam and reservoir on the southwest, where the...
Trondhjemite and metamorphosed quartz keratophyre tuff of the Ammonoosuc volcanics (Ordovician), western New Hampshire and adjacent Vermont and Massachusetts
G. W. Leo
1985, Geological Society of America Bulletin (96) 1493-1507
The Ammonoosuc Volcanics and equivalent rocks of Ordovician age are exposed in the Oliverian domes along the Bronson Hill anti-clinorium (BHA) between northern New Hampshire and southern Connecticut. In western New Hampshire and adjacent Vermont and Massachusetts, the Ammonoosuc lithology consists of a...
