USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Churchill County
Hoyt Mine
Unconfirmed Silver Underground
Key facts
- State
- Nevada
- County
- Churchill
- Mining district
- Bernice District
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Silver
- Verification
- Unconfirmed
Also known as
- Coplan, De Longchamps
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Sec 14 T22N R37E Structure: Faults Alteration: Silicification; Sericitization Deposit: Quartz veins with minor calcite; locally crushed and recemented by later quartz. Small pods and single crystals of stibnite and tetrahedrite are scattered through…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 shaft symbol
- 11 adit symbols
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): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Commodities & minerals
Reported minerals
- Arsenopyrite
- Calcite
- Limestone
- Marcasite
- Meteorite
- Pyrite
- Quartz
- Rhyolite
View all 13 reported minerals
- Arsenopyrite
- Calcite
- Limestone
- Marcasite
- Meteorite
- Pyrite
- Quartz
- Rhyolite
- Sandstone
- Scheelite
- Shale
- Stibnite
- Tetrahedrite Subgroup
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 (1)
- mapped adit symbols (11)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 60924
Supports:
- locality identity
- reported minerals (13)
A Mindat locality match does not by itself establish underground workings.
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Documented adit evidence
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Documented adit evidence
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Historical mapped workings available