USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Gila County
Berkley Mine
Unconfirmed Manganese Mixed Underground / Surface
Key facts
- State
- Arizona
- County
- Gila
- Mining district
- Globe Hills District
- Development status
- Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Manganese
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Ref.: Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese Deposits of Eastern Arizona, US Bureau of Mines Information Circular 7990: 76. MRDS database Dep. ID #10109036, MRDS ID #M002971; and Dep. ID #10282535, MAS ID #0040070042. A …
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 15 shaft symbols
- 9 adit symbols
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: Producer
Operators / organizations
- Mrs. E.A. Borge · Source-reported owner
Commodities & minerals
Reported minerals
- Calcite
- Pyrolusite
- Wad
- Calcite
- Pyrolusite
- Wad
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 (15)
- mapped adit symbols (9)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 132902
Supports:
- locality identity
- reported minerals (3)
A Mindat locality match does not by itself establish underground workings.
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