Wallrock alteration vein structure and preliminary fluid-inclusion studies, Gooseberry Mine, Storey County, Nevada
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en_US
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Abstract
The Gooseberry vein is a precious-metal, epithermal, calcite-quartz vein deposited in Tertiary volcanics along the east-west trending Gooseberry fault. Propylitized rocks envelop this fault and the north-northeast trending Red Top structures. The alteration pattern suggests that the Red Top structures may contain precious-metal mineralization at depth. Ore-shoot location is controlled by abrupt change in dip, major change in strike, and intersection with northeast-trending faults. The silver-to-gold ratio increases markedly with depth. Preliminary fluid-inclusion studies indicate a temperature of deposition between 240 and 245 C, probably under non-boiling conditions and hydrostatic pressure.
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Thesis Number: 2014.
Online access for this thesis was created in part with support from the Institute of Museum and Library Services (IMLS) administered by the Nevada State Library, Archives and Public Records through the Library Services and Technology Act (LSTA). To obtain a high quality image or document please contact the DeLaMare Library at https://unr.libanswers.com/ or call: 775-784-6945.
Online access for this thesis was created in part with support from the Institute of Museum and Library Services (IMLS) administered by the Nevada State Library, Archives and Public Records through the Library Services and Technology Act (LSTA). To obtain a high quality image or document please contact the DeLaMare Library at https://unr.libanswers.com/ or call: 775-784-6945.
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University of Nevada, Reno
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In Copyright(All Rights Reserved)