USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pima County
Isle Royal Mine
Unconfirmed Copper Mixed Underground / Surface
Key facts
- State
- Arizona
- County
- Pima
- Mining district
- Helvetia-Rosemont District
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Copper
- Verification
- Unconfirmed
Also known as
- Coronado Nf, Part 12, Santa Rita Mt, Unit, Az, Usbm Ofr Mla 11-94., Isle Royal Mine Group, Mine Workings Underlie Little Dave,, Indian Club, & Isle Royal Claims.
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former small surface and underground Cu-Ag-Au-Mo-W mine located in the SE¼NW¼ sec. 24, T18S, R15E, 1¼ miles east of Helvetia and 1,000 feet south of the Copper World Mine, and 28 miles SE of Tucson. It is near the axis of the range, in the north slop…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 7 shaft symbols
- 31 adit 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=Past 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: Past Producer
Operators / organizations
- Asarco (American Smelting And Refining Co.) · Historical operator · 1992
Commodities & minerals
Reported minerals
- Azurite
- Chalcocite
- Chalcopyrite
- Copper-bearing Pyrite
- Malachite
- Molybdenite
- Powellite
- Pyrite
View all 10 reported minerals
- Azurite
- Chalcocite
- Chalcopyrite
- Copper-bearing Pyrite
- Malachite
- Molybdenite
- Powellite
- Pyrite
- Tremolite
- Xonotlite
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 (7)
- mapped adit symbols (31)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 50679
Supports:
- locality identity
- reported minerals (10)
A Mindat locality match does not by itself establish underground workings.
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