USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Pershing County
Big Mike Copper Mine
Unconfirmed Copper Mixed Underground / Surface
Key facts
- State
- Nevada
- County
- Pershing
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Copper
- Verification
- Unconfirmed
Also known as
- NBMG Sample Site 2342
Mine Location
Approximate AreaDocumented underground workings
Source classification: Underground operation documented
Specific physical workings are not yet documented in discrete records.
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
Source records document both underground and surface mining.
History & operations
Historical record
- Development status: Past Producer
Operators / organizations
- Ranchers Exploration and Development Corp. · Historical operator
- Ranchers Exploration, Hecla Mining Co. · Source-reported owner
- GoldSpring, Inc. · Historical operator · 2006
Commodities & minerals
Reported minerals
- Pyrite
- Bornite
- Chalcopyrite
- Cuprite
- Digenite
- Sphalerite
- Tenorite
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
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