USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Graham County
Copper Bar Shaft and Adit
Mindat Confirmed Copper Underground
Key facts
- State
- Arizona
- County
- Graham
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Copper
- Verification
- Mindat Confirmed
Also known as
- Coronado Nf Santa Theresa Unit, Sam Jones, Patented Claims MS 2438
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former underground Cu-Ag-Au-Fe occurrence/prospect/mine located in the NE¼SW¼ sec. 32, T5S, R20E, G&SRM. Discovered 1902. Closed 1945. Mineralization is ore hosted in the Pinal Schist and metavolcanics (brecciated Precambrian schist and rhyolite c…
Additional documented workings
-
Adit
— documented in 1 source record.
Mindat -
Shaft
— documented in 1 source record.
Mindat
View individual source records (4)
Every underlying record used to build the summary above, for research/verification use.
-
Adit
Documented in Mindat locality data. Evidence: A former underground Cu-Ag-Au-Fe occurrence/prospect/mine located in the NE¼SW¼ sec. 32, T5S, R20E, G&SRM. Discovered 1902. Closed 19… -
Shaft
Documented in Mindat locality data. Evidence: A former underground Cu-Ag-Au-Fe occurrence/prospect/mine located in the NE¼SW¼ sec. 32, T5S, R20E, G&SRM. Discovered 1902. Closed 19…
- Derived from MRDS oper_type (existing operation): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type
Verification
Mindat Confirmed
Mindat locality corroborates underground workings.
Why confirmed?
Mindat locality corroborates underground workings.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Operators / organizations
- Royal Tinto Mining And Smelting Co · Historical operator · 1925
Commodities & minerals
Reported minerals
- Chalcocite
- Chalcopyrite
- commodity:Copper
- commodity:Gold
- commodity:Silver
- Copper Stain
- Hematite
- Limestone
View all 12 reported minerals
- Chalcocite
- Chalcopyrite
- commodity:Copper
- commodity:Gold
- commodity:Silver
- Copper Stain
- Hematite
- Limestone
- Pyrite
- Rhyolite
- Schist
- Specularite
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: 131521
Supports:
- locality identity
- reported minerals (12)
- underground workings
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