USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Esmeralda County
Mac Boyle Blue Mine
Unconfirmed Talc-Soapstone Mixed Underground / Surface
Key facts
- State
- Nevada
- County
- Esmeralda
- Mining district
- Sylvania (Green Mountain) District
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Talc-Soapstone
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Commodity: Ore is sheared, broken, greenish-gray, very fine grained. Deposit: Talcose mineralization is present along the southern contact of an elongate intrusive body with dolomite. Talcose ore body was bordered by porphyritic quartz diorite on the …
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
Operators / organizations
- Mac Boyle, W. E. And M. D. · Source-reported owner
Commodities & minerals
Reported minerals
- Calcite
- Quartz
- Chlorite
- Talc
- Calcite
- Chlorite Group
- commodity:Clay
- commodity:Talc
View all 12 reported minerals
- Calcite
- Quartz
- Chlorite
- Talc
- Calcite
- Chlorite Group
- commodity:Clay
- commodity:Talc
- Diorite
- Dolostone
- Quartz
- Talc
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 429007
Supports:
- locality identity
- reported minerals (8)
A Mindat locality match does not by itself establish underground workings.
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