USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Santa Cruz County
Polario and Regal
Unconfirmed Silver Underground
Key facts
- State
- Arizona
- County
- Santa Cruz
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Silver
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Ref.: Arizona Bureau of Mines card file Santa Cruz County. MRDS database Dep. ID file #10210327, MAS ID #0040230321. A former underground Ag-Cu-Au mine located in the NE¼ sec. 20, T23S, R14E, on private land. Located in either the Nogales or Tynd…
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): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_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: Past Producer
Operators / organizations
- Loftus · Historical operator · 1939
Commodities & minerals
Access & recent conditions
- Land
- unknown
Community reports
No community field reports yet.
I Visited This MineSources & evidence
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 187488
Supports:
- locality identity
A Mindat locality match does not by itself establish underground workings.
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