USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Esmeralda County
Gemfield Gold Deposit
Unconfirmed Gold Mixed Underground / Surface
Key facts
- State
- Nevada
- County
- Esmeralda
- Mining district
- Goldfield District:
- Development status
- Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Gold
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: The Gemfield Deposit is located to the west of the ring fracture zone that controls the main Goldfield deposits. Tertiary deposits are domed and faulted by steeply dipping post Miocene: N-S and E-W faults. Alteration: Large envelopes of int…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 39 shaft 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): Surface-Underground
- MRDS oper_type documents existing underground operation (dev_stat=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: Producer
Operators / organizations
- Metallic Ventures Inc. · Historical operator · 2004
Commodities & minerals
Reported minerals
- Alunite
- Barite
- Gypsum
- Kaolin
- Limonite
- Quartz
- Gold
- Alunite
View all 18 reported minerals
- Alunite
- Barite
- Gypsum
- Kaolin
- Limonite
- Quartz
- Gold
- Alunite
- Baryte
- commodity:Copper
- commodity:Gold
- commodity:Silver
- Gypsum
- Kaolin
- Limonite
- Native Gold
- Quartz
- Rhyolite
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 (39)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 428815
Supports:
- locality identity
- reported minerals (11)
A Mindat locality match does not by itself establish underground workings.
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