USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pima County
Helvetia East
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
- East Helvetia, Unit, Az, Usbm Ofr Mla ??-94., RosemontHelvetia, Helvetia-Rosemont, Coronado Nf, Part 12, Santa Rita Mt, Peach Mine, Peach Elgin, Copper World, Broad Top Butte
Mine Location
Approximate AreaDocumented underground workings
Source classification: Underground operation documented
Specific physical workings are not yet documented in discrete records.
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 6 shaft symbols
- 11 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, 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
- Anaconda Mining Company · Historical operator
- Anamax · Historical operator
- Asarco (American Smelting And Refining Co.) · Historical operator · 1988
- Augusta Resource Corporation · Historical operator · 2009
Commodities & minerals
Reported minerals
- Biotite
- Diopside
- Epidote
- Feldspar
- Garnet
- Magnetite
- Quartz
- Sericite
View all 22 reported minerals
- Biotite
- Diopside
- Epidote
- Feldspar
- Garnet
- Magnetite
- Quartz
- Sericite
- Wollastonite
- Azurite
- Bornite
- Chalcocite
- Chalcopyrite
- Chrysocolla
- Cuprite
- Gold
- Malachite
- Molybdenite
- Pyrite
- Scheelite
- Sphalerite
- Tenorite
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 (6)
- mapped adit symbols (11)
Historical mapped features may no longer exist.
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