USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pima County
Unconfirmed Copper Underground
Mindat locality description
Ref.: Brown, R.L. (1926) Geology and ore deposits of the Twin Buttes district: Tucson, University of Arizona, M.S. thesis, 40 p. Houser, F.N. (1949) Geology of the Contention mine area, Twin Buttes, Arizona: Tucson, University of Arizona, M.S. thesi…
USGS historical topographic mapping. Features may no longer exist.
Every underlying record used to build the summary above, for research/verification use.
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
USGS source data documents underground workings for this record.
No community field reports yet.
I Visited This MineType: Historical mine record
Supports:
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
Historical mapped features may no longer exist.
Type: Mineralogical locality database
Record: Mindat Locality: 188768
Supports:
A Mindat locality match does not by itself establish underground workings.
Arizona · Pima County
Unconfirmed Copper Occurrence Underground
Documented shaft evidence
Arizona · Pima County
Unconfirmed Zinc Producer Underground
Historical mapped workings available
Arizona · Pima County
Unconfirmed Zinc Past Producer Underground
Arizona · Pima County
Unconfirmed Copper Occurrence Mixed Underground/Surface