USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Santa Cruz County
Exposed Reef Mines
Unconfirmed Copper Underground
Key facts
- State
- Arizona
- County
- Santa Cruz
- Mining district
- Harshaw District
- Development status
- Producer
- Mine type
- Underground
- Primary commodity
- Copper
- Verification
- Unconfirmed
Also known as
- Blue Eagle and Exposed Reef Group, Saint Louis Mine
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
‡Ref.: Schrader, F.C. (1915) Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, with contributions by J.M. Hill: U.S. Geological Survey Bulletin 582, 373 p., 3 sheets, scale 1:125,000: 230-231. Rohrbacker, R.T. (1964) Geology of th…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 11 shaft symbols
- 23 adit symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_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: Producer
Operators / organizations
- De Saulles, Albert · Source-reported owner
- Sibold, Helen And Doris · Source-reported owner
Commodities & minerals
Reported minerals
- Hematite
- Bornite
- Chalcocite
- Chalcopyrite
- Cuprite
- Galena
- Pyrite
- Sphalerite
View all 9 reported minerals
- Hematite
- Bornite
- Chalcocite
- Chalcopyrite
- Cuprite
- Galena
- Pyrite
- Sphalerite
- Tetrahedrite
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 (11)
- mapped adit symbols (23)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 34338
Supports:
- locality identity
A Mindat locality match does not by itself establish underground workings.
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