USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pima County
Diamond Head Group
Unconfirmed Copper Mixed Underground / Surface 1 mapped adit
Key facts
- State
- Arizona
- County
- Pima
- Mining district
- Pima District
- Development status
- Occurrence
- Mine type
- Mixed underground / surface
- Primary commodity
- Copper
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Ref.: U.S. Atomic Energy Commission Preliminary Reconnaissance Report Pima County (1956): 652. U.S. Atomic Energy Commission RME-159 (1970) Preliminary Reconnaissance for Uranium in Pima and Pinal Counties, Arizona, 1950 to 1957: 197. MRDS databa…
Additional documented workings
-
Adit
— documented in 1 source record.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 adit symbol
- Adit : Twin Buttes , 1957
View individual source records (3)
Every underlying record used to build the summary above, for research/verification use.
-
Adit
Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field.
- USGS MRDS working type: Surface/Underground
- MRDS work_type documents underground workings: 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: Occurrence
Operators / organizations
- Richard Siebeck, Oliver Palmer, Roy Gill · Source-reported owner
Commodities & minerals
Reported minerals
- Pyrite
- Chalcopyrite
- Uraninite
- Chalcopyrite
- Hematite
- Kaolinite
- Pyrite
- Uraninite
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 adit symbols (1)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 189502
Supports:
- locality identity
- reported minerals (5)
A Mindat locality match does not by itself establish underground workings.
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