1984
DOI: 10.3133/ofr84655
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Reconnaissance geochemical assessment of the Meadow Valley Mountains Bureau of Land Management Wilderness Study area (NV-050-156), Lincoln and Clark Counties, Nevada

Abstract: pocket Plate 2. Map showing land classifications and sample sites........ In pocket STUDIES RELATED TO WILDERNESS Bureau of Land Management Wilderness Study Area The Federal Land Policy and Managment Act (Public Law 94-579, October 21, 1976) requires the U.S. Geological Survey and the U.S. Bureau of Mines to conduct mineral surveys on certain areas to determine their mineral values. Results must be made available to the public and submitted to the President and to the Congress. This report presents the results… Show more

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Cited by 2 publications
(5 citation statements)
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“…Geologic and geophysical studies, geochemical sampling (Hoffman and Day, 1984), examination of prospects (Campbell, 1987), and review of ore deposits from surrounding districts (Tschanz and Pampeyan, 1970) indicate that the Meadow Valley Mountains lie at the edge of a province characterized by hydrothermal deposits in the form of bedded replacement bodies in carbonate rocks (Mississippi Valley type) containing zinc, lead, silver, and manganese and fissure veins and related silicified breccias in siliceous rocks containing gold and silver (Tschanz and Pampeyan, 1970). Examples of bedded replacement deposits are found in the Groom mining district, 62 mi to the northwest, and the Comet and Pioche districts, about 60 mi to the north, where ore bodies occur in limestone beds of the Cambrian Pioche Shale.…”
Section: Discussionmentioning
confidence: 99%
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“…Geologic and geophysical studies, geochemical sampling (Hoffman and Day, 1984), examination of prospects (Campbell, 1987), and review of ore deposits from surrounding districts (Tschanz and Pampeyan, 1970) indicate that the Meadow Valley Mountains lie at the edge of a province characterized by hydrothermal deposits in the form of bedded replacement bodies in carbonate rocks (Mississippi Valley type) containing zinc, lead, silver, and manganese and fissure veins and related silicified breccias in siliceous rocks containing gold and silver (Tschanz and Pampeyan, 1970). Examples of bedded replacement deposits are found in the Groom mining district, 62 mi to the northwest, and the Comet and Pioche districts, about 60 mi to the north, where ore bodies occur in limestone beds of the Cambrian Pioche Shale.…”
Section: Discussionmentioning
confidence: 99%
“…A suite of trace elements (antimony, lead, molybdenum, tungsten, and zinc) is present in several samples from Hackberry Canyon and vicinity, about 6 mi west of Vigo siding ( fig. 2), near where the volcanic rocks are eroded to expose underlying Permian carbonate rock (area M3 of Hoffman and Day, 1984). No mineralized rock was seen in this area.…”
Section: C14 Mineral Resources Of Wilderness Study Areas Southeasternmentioning
confidence: 95%
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“…The pikes average a few meters in thickness and the most prominent ones form a north-trending swarm about 3 km long. Stream-sediment samples from the area cut by dikes contain anomalous amounts of beryllium, tin, thorium, and yttrium (Hoffman and Day, 1984), but subsequent samples of stream sediment and dike rock from the same area were not enriched in those elements (Pampeyan and others, 1988). A dike containing flowbanded rhyolite breccia cemented by color-banded carbonate minerals cuts the Harmony };ills Tuff 1.6 km northeast of Grapevine Spring.…”
Section: Geologic Setiingmentioning
confidence: 99%