USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Lander County
Widow
Unconfirmed Copper Mixed Underground / Surface
Key facts
- State
- Nevada
- County
- Lander
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Copper
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Sec 32 T32N R44E Copper Structure: Dewitt Thrust Fault Faults, Widow Fault Alteration: Hydrothermal Deposit: Exploratory work on the claims was conducted from 1917 to 1923. With no recorded production until 1927. Production was sporadic until 1945. …
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 adit symbol
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- Derived from MRDS oper_type (existing operation): Surface-Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Surface-Underground · oper_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
- Arsenopyrite
- Brochantite
- Chalcocite
- Chalcopyrite
- Chrysocolla
- commodity:Copper
- commodity:Gold
- commodity:Silver
View all 19 reported minerals
- Arsenopyrite
- Brochantite
- Chalcocite
- Chalcopyrite
- Chrysocolla
- commodity:Copper
- commodity:Gold
- commodity:Silver
- Galena
- Malachite
- Marcasite
- Molybdenite
- Pyrite
- Pyrrhotite
- Quartz-monzonite
- Sandstone
- Shale
- Sphalerite
- Tenorite
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 adit symbols (1)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 60331
Supports:
- locality identity
- reported minerals (19)
A Mindat locality match does not by itself establish underground workings.
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Historical mapped workings available