USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Pinal County
Sacaton
Unconfirmed Molybdenum Underground
Key facts
- State
- Arizona
- County
- Pinal
- Mining district
- Casa Grande District
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Molybdenum
- Verification
- Unconfirmed
Also known as
- Asarco, Casa Grande Mine
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former surface and underground Cu-Mo-Ag-Au mine located in the center sec. 26 & sec. 35, T5S, R5E (Casa Grande West 7.5 minute topo map), 1 mile S of the Sacaton Mountains, about 2½ miles W of the Casa Grande Municipal Airport, and 6 miles NW of Casa…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 shaft symbol
View individual source records (3)
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
- 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
- Asarco (American Smelting And Refining Co.) · Source-reported owner · 1972
- GRUPO MEXICO SA DE CV · Historical operator · 2009
Commodities & minerals
Reported minerals
- Antlerite
- Brochantite
- Chalcocite
- Chalcopyrite
- Chrysocolla
- Covellite
- Gold
- Malachite
View all 40 reported minerals
- Antlerite
- Brochantite
- Chalcocite
- Chalcopyrite
- Chrysocolla
- Covellite
- Gold
- Malachite
- Molybdenite
- Pyrite
- Alunite
- Anhydrite
- Antlerite
- Atacamite
- Azurite
- Biotite
- Bornite
- Brochantite
- Chalcocite
- Chalcopyrite
- Chlorite Group
- Chrysocolla
- commodity:Copper
- commodity:Gold
- commodity:Molybdenum
- commodity:Silver
- Covellite
- Cuprite
- Eriochalcite
- Goethite
- Gypsum
- Hematite
- Jarosite
- Kaolinite
- Limonite
- Magnetite
- Malachite
- Molybdenite
- Muscovite
- Native Copper
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 (1)
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.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 53487
Supports:
- locality identity
- reported minerals (30)
A Mindat locality match does not by itself establish underground workings.
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