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Round Mountain Mine (Round Mountain Gold Mine; Sunnyside Mine; Sphinx glory hole; Great Western tunnel; Rattlesnake; Keane vein; Los Gazabo vein), Round Mountain, Round Mountain, Round Mountain District, Toquima Range, Nye Co., Nevada, USA
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Latitude: 38°42'N
Longitude: 117°4'W
An open pit Au-Ag-As-Sb-Th-Hg-Mo-F-Mn-W mine located in secs. 19 & 30, T10N, R44E, MDM, 0.9 km (2,800 feet) SE of Round Mountain (summit) (coordinates of record), and 1.2 km (4,100 feet) S of Round Mountain (town). Owned by Homestake Mining Co. (25%) & Round Mountain Gold Corp.

Workings include an open pit with a heap-leach operation.

Produced 4 million tons ore (= 3,720 kg Au) (1984).

Mineral List

'Chlorite Group'
var: Electrum
'K Feldspar
var: Adularia'

var: Sericite


17 entries listed. 12 valid minerals.

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Mining Annual Review (1985): 326.

Minerals yearbook (1988) - Mining & Quarrying Trends: 31.

Wilson, W. E. (2009): The Round Mountain mine, Nye County, Nevada. Mineralogical Record: 40: 105-115.

Werschky, R. S. (2011). Kristallines Gold vom Round Mountain, Nevada, USA. Mineralien Welt. 22(4): 14-27.

Nevada Bureau of Mines and Geology Special Publication 31, Minerals of Nevada.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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