USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pinal County
Magmatic Copper Mine
Unconfirmed Manganese Underground
Key facts
- State
- Arizona
- County
- Pinal
- Mining district
- Pioneer District
- Development status
- Occurrence
- Mine type
- Underground
- Primary commodity
- Manganese
- Verification
- Unconfirmed
Also known as
- Stacy Claims
Mine Location
Approximate AreaDocumented underground workings
Source classification: Underground operation documented
Specific physical workings are not yet documented in discrete records.
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 5 shaft symbols
- 8 adit symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_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: Occurrence
Operators / organizations
- Stacy, William And Goodspar, A. A. · Source-reported owner
Commodities & minerals
Reported minerals
- Calcite
- Limonite
- Quartz
- Siderite
- Pyrolusite
- Wad
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 (5)
- mapped adit symbols (8)
Historical mapped features may no longer exist.
Arizona Geological Survey / ADMMR
Type: Historical mine documents
Record: 1 historical document
Supports:
- historical mine identity
- historical mine documentation
Historical documentation does not imply current access or open workings.
Related underground mines
Silver King Mine
Arizona · Pinal County
Unconfirmed Silver Past Producer Mixed Underground/Surface
Historical mapped workings available
Magma Chief Copper Mine
Arizona · Pinal County
Unconfirmed Silver Producer Underground
Historical mapped workings available
Grand Pacific Mine
Arizona · Pinal County
Unconfirmed Copper Producer Underground
Historical mapped workings available