USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Lyon County
Malachite Mine
Unconfirmed Copper Mixed Underground / Surface
Key facts
- State
- Nevada
- County
- Lyon
- Mining district
- Yerington
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Copper
- Verification
- Unconfirmed
Also known as
- Yerington - Malachite Copper Company
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Adjacent to the Mason Valley mine. Structure: Yerington Batholith Tectonics: Complex Basin And Range Faulting Commodity: Crude ave. Grade of ore 6.2 percent cu Deposit: Contact metasomatic aureole deposit parallel in character to the mason valley d…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 21 shaft symbols
- 31 adit symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Surface/Underground
- MRDS work_type documents underground workings: Surface/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
Commodities & minerals
Reported minerals
- Bornite
- Chalcocite
- Chalcopyrite
- Cuprite
- Malachite
- Bornite
- Chalcocite
- Chalcopyrite
View all 14 reported minerals
- Bornite
- Chalcocite
- Chalcopyrite
- Cuprite
- Malachite
- Bornite
- Chalcocite
- Chalcopyrite
- commodity:Copper
- commodity:Gold
- commodity:Silver
- Cuprite
- Diorite
- Malachite
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
USGS Historical Topographic Mine Features
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
- mapped shaft symbols (21)
- mapped adit symbols (31)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 61146
Supports:
- locality identity
- reported minerals (9)
A Mindat locality match does not by itself establish underground workings.
Related underground mines
Blue Jay Mine
Nevada · Lyon County
Unconfirmed Copper Past Producer Mixed Underground/Surface
Historical mapped workings available
Bluestone Mine
Nevada · Lyon County
Unconfirmed Copper Past Producer Underground
Historical mapped workings available
Casting Copper Mine
Nevada · Lyon County
Unconfirmed Copper Past Producer Mixed Underground/Surface
Historical mapped workings available
Ludwig Mine
Nevada · Lyon County
Unconfirmed Copper Past Producer Mixed Underground/Surface
Historical mapped workings available