USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pima County
Ajax Mine Group
Unconfirmed Gold Mixed Underground / Surface
Key facts
- State
- Arizona
- County
- Pima
- Mining district
- Arivaca District
- Development status
- Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Gold
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Ref.: Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 103 (Table 4). Arizona Bureau of Mines file data. MRDS database Dep. ID file #…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 7 shaft symbols
- 4 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/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: Producer
Commodities & minerals
Reported minerals
- Chalcopyrite
- Gold
- Pyrite
- Sphalerite
- Chalcopyrite
- Galena
- Pyrite
- Silver-bearing Galena
View all 9 reported minerals
- Chalcopyrite
- Gold
- Pyrite
- Sphalerite
- Chalcopyrite
- Galena
- Pyrite
- Silver-bearing Galena
- Sphalerite
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 (7)
- mapped adit symbols (4)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 34549
Supports:
- locality identity
- reported minerals (5)
A Mindat locality match does not by itself establish underground workings.
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Documented adit evidence