Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California

Peters, S.G.; Nash, J. Thomas; John, David A.; Spanski, Gregory T.; King, H.D.; Connors, Karen; Moring, Barry C.; Doebrich, Jeff L.; McGuire, D.J.; Albino, G.V.; Dunn, V.C.; Theodore, Ted G.; Ludington, Steve

doi:10.3133/ofr96712

Cited by 3 publications

(7 citation statements)

References 42 publications

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“…Sites vis ited and sampled were selected using published information, U.S. Geological Survey records in the Mineral Resources Map of the western Humboldt Basin study area showing location of mining districts investigated and mineral occurrences. For complete explanation of map symbols, see Peters and others (1996). Modifi ed from Peters and others (1996, plate 1).…”

Section: Methodsmentioning

confidence: 99%

“…Geology of the Winnemucca District is well known from numerous studies of regional and mining district geology (e.g., Knopf, 1924;Wallace and others, 1969;Peters and others, 1996) and need not be reviewed here. Details can be found in maps and reports elsewhere, but a few points of geology should be emphasized here to set the framework for the mineral-environmental investigations:…”

Section: Geologic and Geographic Settingmentioning

confidence: 99%

“…I made a very brief visit to the district in 1994 for a resource assessment (Peters and others, 1996) and was impressed by the small size and oxidized character of the copper-type ores and prospects. The hills were dry and I saw no signs of mine drainage.…”

Section: Mineral-environmental Investigationsmentioning

confidence: 99%

“…The min eral resources of the Humboldt Basin have been investigated by many scientists throughout the past 100 years, but only recently has our knowledge of regional geology and mine geology been applied to the understanding and evaluation of mining impacts on water and environmental quality. The mineral resources of the Winnemucca BLM District were described and assessed recently (Peters and others, 1996), but those investigations did not include the parallel component of mineral-environmental assessment. The investigations reported here apply some of the techniques and perspectives developed in the Abandoned Mine Lands Initiative of the USGS, a program of integrated geological-hydrological-biological-chemi cal studies underway in the Upper Animas River watershed, Colorado, and Boulder River watershed, Montana (Buxton and others, 1997;Nimick and von Guerard, 1998).…”

Section: Introductionmentioning

confidence: 99%

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Hydrogeochemical investigations of some historic mining areas in the western Humboldt River basin, Nevada

Nash¹

2001

Data Series

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salts dissolve to create a "first flush" of runoff that can carry high concentrations of many toxic metals. In this region of alkaline waters and high evaporation, there is high potential for As, Mo, and Se to accumulate in local transient puddles, playas, and ultimately in the Humboldt Sink. The gradual accumulation of metals in closed basins of western Nevada merits further study. Photograph 25. Tailings from the Standard mill, placed on the alluvial fan west of the mine, have been eroded and dissected by surface waters. Fluvial tailings are in the arroyo for about a mile to the west of this berm.

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Section: Methodsmentioning

confidence: 99%

Section: Geologic and Geographic Settingmentioning

confidence: 99%

Section: Mineral-environmental Investigationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Hydrogeochemical investigations of some historic mining areas in the western Humboldt River basin, Nevada

Nash¹

2001

Data Series

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“…control, were reported in King et al (1996), and a preliminary interpretation was also published (King et al, 1996;Peters et al, 1996).…”

Section: Data Sourcesmentioning

confidence: 96%

Regional Surficial Geochemistry of the Northern Great Basin

et al. 2006

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The regional distribution of arsenic and 20 other elements in stream-sediment samples in northern Nevada and southeastern Oregon was studied in order to gain new insights about the geologic framework and patterns of hydrothermal mineralization in the area. Data were used from 10,261 samples that were originally collected during the National Uranium Resource Evaluation (NURE) Hydrogeochemical and Stream Sediment Reconnaissance (HSSR) program in the 1970s. The data are available as U.S. Geological Survey Open-File Report 02-0227.The data were analyzed using traditional dot maps and interpolation between data points to construct highresolution raster images, which were correlated with geographic and geologic information using a geographic information system (GIS). Wavelength filters were also used to deconvolute the geochemical images into various textural components, in order to study features with dimensions of a few kilometers to dimensions of hundreds of kilometers.The distribution of arsenic, antimony, gold, and silver is different from distributions of the other elements in that they show a distinctive high background in the southeast part of the area, generally in areas underlain by the pre-Mesozoic craton. Arsenic is an extremely mobile element and can be used to delineate structures that served as conduits for the circulation of metal-bearing fluids. It was used to delineate large crustal structures and is particularly good for delineation of the Battle Mountain-Eureka mineral trend and the Steens lineament, which corresponds to a post-Miocene fault zone. Arsenic distribution patterns also delineated the Black Rock structural boundary, northwest of which the basement apparently consists entirely of Miocene and younger crust.Arsenic is also useful to locate district-sized hydrothermal systems and clusters of systems. Most important types of hydrothermal mineral deposit in the northern Great Basin appear to be strongly associated with arsenic; this is less so for low-sulfidation epithermal deposits.In addition to individual elements, the distribution of factor scores that resulted from principal component studies of the data was used. The strongest factor is characterized by Fe, Ti, V, Cu, Ni, and Zn and is used to map the distribution of distinctive basalts that are high in Cu, Ni, and Zn and that appear to be related to the Steens Basalt. The other important factor is related to hydrothermal precious metal mineralization and is characterized by Sb, Ag, As, Pb, Au, and Zn. The map of the distribution of this factor is similar in appearance to the one for arsenic, and we used wavelength filters to remove regional variations in the background for this factor score. The resulting residual map shows a very strong association with the most significant precious metal deposits and districts in the region. This residual map also shows a number of areas that are not associated with known mineral deposits, illustrating the utility of the method as a regional exploration tool. A number of these prospective are...

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Applied Geochemistry, Geology, and Mineralogy of the Northernmost Carlin Trend, Nevada

Theodore¹,

Kotlyar²,

Singer³

et al. 2003

Economic Geology

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Metallic mineral resources in the U.S. Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California

Cited by 3 publications

References 42 publications

Hydrogeochemical investigations of some historic mining areas in the western Humboldt River basin, Nevada

Hydrogeochemical investigations of some historic mining areas in the western Humboldt River basin, Nevada

Regional Surficial Geochemistry of the Northern Great Basin

Applied Geochemistry, Geology, and Mineralogy of the Northernmost Carlin Trend, Nevada

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