Nevada · Esmeralda County
Past Producer
Portland Mine
Esmeralda County, Nevada, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit type
Unknown
Deposit size
S
Workings
Underground
Ore control
Caldera Ring Fracture Zone
Materials
Gangue
Pyrite
Geology
Host rock
Tuff,Latite,Andesite,Basalt
Associated rock
Latite,Andesite,Basalt · Milltown Andesite;Siebert Tuff
Alteration
Strong Alteration
Economic & production
Development status
Past Producer
Discovery year
1906
Identification
Deposit ID
10046688
MRDS ID
M241887
Region
NA
Data score
B
Coordinates
37.70051, -117.21785
References
RANSOME, F.L., 1909, USGS PP 66, P. 245NBMG REPORT 33, P. 77-86.