Principal facts for a gravity survey of Pinto Hot Springs Known Geothermal Resource Area, Nevada

Peterson, Donald L.; Hassemer, Jerry H.

doi:10.3133/ofr7767b

Cited by 3 publications

(4 citation statements)

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“…The difference of observed gravity between values for the NGBN and IGSN-71 datums at the DMA base station in Gerlach, Nevada is reflected by the 13.79-mGal (table 4) datum shift applied to obtain NGDC sources #4834 (Peterson and Dansereau, 1975) and to obtain sources #5018, #5020, and #5019 (Peterson and Kaufmann, 1978a, b, and c). The datum shift of 13.70 mGal to obtain data sources #4869 (Peterson and Hoover, 1977) and #4933 (Peterson and Hassemer, 1977) does not agree with a datum shift of 13.76 mGal for the authors' stated DMA bas<*. station at Denio, Nev. (table 4).…”

Section: Geothermal Studiesmentioning

confidence: 72%

“…Therefore, I applied a datum shift of 13.76 mGal to the data from Peterson and Hoover (1977) near Baltazor Hot Springs for the present compilation. I applied a datum shift of 13.90 mGal, however, to the data of Peterson and Hassemer (1977) near Pinto Hot Springs based on my tie (station P856) to their local base station (PS01) near a benchmark. Original station identifications were recovered from reports by D.L.…”

Section: Geothermal Studiesmentioning

confidence: 99%

“…Gravity data from Edquist (1981) werewere modified from NGDC source #6625 by recovering original station n^mes and adding a datum shift of 0.74 mGal (file EDQUIST.ISN). Gravity data from Peterson and Hassemer (1977), Pete-son and Hoover (1977), and Peterson and Kaufmann (1978a) are in file GEOTHVYA.ISN. The remaining data from the NGDC data set, which were not extracted are in file DMA VYA.ISN.…”

Section: Vya 1° By 2° Quadranglementioning

confidence: 99%

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Principal facts and field observations for gravity data in and adjacent to the Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California

Plouff¹

1996

Open-File Report

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COMPILATION METHODSSteps to improve quality during the compilation of existing gravity data were to delete duplicate data, to correct or delete erroneous data, and to evaluate the accuracy of accepted data. Duplicate data could not be easily identify when previous compilers modified values of observed gravity, modified locations, or copied earlier data into their sets and then substituted different station names. The pattern of two sets of sequence numbers at associated data points ofter could be recognized except in cases where a later compiler modified locations or sorted data points by their latitude and then replaced original station numbers with numerical sequence numbers. Unless a less accurate data point is close! ' surrounded by data points of a less accurate data set or the data set with generally higher accuracy apparently cipied the less accurate data point, the less accurate data point was discarded.Data points with the same station names as other data points or without a station name, which occurred in subsets of data from the National Geophysical Data Center (table 2), were assigned unique station names. Data points located near spot elevations or bench marks, near cultural features such as roads or marked section corners, or arranged along regularly-spaced lines or grids generally were accepted with minor modifications. The last method for identifying data points to be rejected, corrected, or accepted was to look for conspicuous disagreements (forming one-station "bnllseye"

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Section: Geothermal Studiesmentioning

confidence: 72%

Section: Geothermal Studiesmentioning

confidence: 99%

Section: Vya 1° By 2° Quadranglementioning

confidence: 99%

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Principal facts and field observations for gravity data in and adjacent to the Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California

Plouff¹

1996

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“…Additional data also were obtained from the National Geophysical Data Center (1991). Data point identification numbers, which were abbreviated or omitted by the Defense Mapping Agency, were recovered from data published by Peterson and Dansereau (1975), Crewdson (1976), Griscom and Conradi (1976), Plouff (1976b;1977a,b), Plouff and others (1976), Robbins and others (1976), Wahl and Peterson (1976), Chapman and others (1977) Peterson and Hassemer (1977), Peterson and Hoover (1977), Peterson and Kaufman (1978a, b, c), Schaefer and Maurer (1980), Edquist (1981), Erwin (1982), Abrams and others (1984), Duffrin and others (1985), Schaefer and others (1985), Wagini (1985), Glen and others (1987), and Sikora (1991). The present compilation also includes 258 gravity observations collected in 1993 by the U.S. Geological Survey in an area of sparse coverage in and near Desert Valley ( fig.…”

Section: Contentsmentioning

confidence: 99%

Resource assessment of the Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California; gravity map and interpretation

Plouff¹

1997

Open-File Report

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The U.S. Geological Survey (USGS) is a party to joint interagency Memorandums of Understanding with the Bureau of Land Management (BLM) and the U.S. Bureau of Mines (USBM) to coordinate resource assessments and evaluations of BLM-administered lands. Resource assessments of BLM Resource Areas, which are conducted by the USGS, assist the BLM in meeting inventory and evaluation, resource-management planning, and other management requirements of the Federal Land Policy and Management Act of 1976. This report is part of a resource assessment of BLM-administered land in northwest Nevada and northeast California. An earlier report, which summarizes the geology and its relation to resources (Doebrich, 1996), serves as a foundation for the interpretative discussion in the present report. The 1:2,000,000 map scales of figures 3 and 5 in the presesent report match the map scales of Doebrich (1996).

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Mineral resources of the Black Rock Desert Wilderness Study Area, Humboldt County, Nevada

Calzia¹,

Lawson²,

Dohrenwend³

et al. 1987

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Character and setting 1 Mineral resources 1 Introduction 3 Location and physiography 3 Previous work 3 Methods 3 Acknowledgments 3 Appraisal of identified resources 3 Mining history and current activity 3 Mineral deposits 4 Assessment of mineral resource potential 5 i Geology 5 Geochemistry 6 Geophysics 6 Mineral resource potential 6 References cited 7 Appendixes Definition of levels of mineral resource potential and certainty of assessment 11 Resource/reserve classification 12 Geologic time chart 13 MINERAL RESOURCES OF WILDERNESS STUDY

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Principal facts for a gravity survey of Pinto Hot Springs Known Geothermal Resource Area, Nevada

Cited by 3 publications

References 0 publications

Principal facts and field observations for gravity data in and adjacent to the Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California

Principal facts and field observations for gravity data in and adjacent to the Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California

Resource assessment of the Bureau of Land Management's Winnemucca District and Surprise Resource Area, northwest Nevada and northeast California; gravity map and interpretation

Mineral resources of the Black Rock Desert Wilderness Study Area, Humboldt County, Nevada

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