USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Elko County
Colorado Grande
Unconfirmed Gold Underground
Key facts
- State
- Nevada
- County
- Elko
- Mining district
- Gold Circle District
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: Rhyolite-Andesite Contact Deposit: Vein, fault zone property consists of three claims, located near the rex mine, the vein is opened by shallow cuts and shafts for a distance of 4,000 ft. ; info.src : 1 pub lit Development: 3 claims Ore(s…
Additional documented workings
-
Shaft
— documented in 1 source record,
noting 4000 ft, 000 ft.
Mindat
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 10 shaft symbols
- 17 adit symbols
View individual source records (3)
Every underlying record used to build the summary above, for research/verification use.
-
Shaft
· depth 4000 ft
Documented in Mindat locality data. Evidence: roperty consists of three claims, located near the rex mine, the vein is opened by shallow cuts and shafts for a distance of 4,000 ft…
- 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
- commodity:Gold
- commodity:Silver
- Limonite
- Proustite
- Rhyolite
- Stromeyerite
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 (10)
- mapped adit symbols (17)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 41404
Supports:
- locality identity
- reported minerals (6)
A Mindat locality match does not by itself establish underground workings.
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Documented shaft/adit evidence