USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Santa Cruz County
Hardshell Mine
Unconfirmed Copper Mixed Underground / Surface
Key facts
- State
- Arizona
- County
- Santa Cruz
- Mining district
- Harshaw District
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Copper
- Verification
- Unconfirmed
Also known as
- Eagle-Pitcher Properties, Manto
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former small surface and underground Pb-Ag-Mn-Cu-Zn-Au occurrence/mine located in the center of sec. 4, T23S, R16E (protracted) on 42 claims, in Hardshell Gulch, at the foot of the steep southerly slope from Table Mountain, about 1 mile SW of Harshaw…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 7 shaft symbols
- 5 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: Past Producer
Operators / organizations
- Asarco (American Smelting And Refining Co.) · Source-reported owner
Commodities & minerals
Reported minerals
- Clay
- Limonite
- Quartz
- Anglesite
- Braunite
- Cerargyrite
- Gold
- Hemimorphite
View all 40 reported minerals
- Clay
- Limonite
- Quartz
- Anglesite
- Braunite
- Cerargyrite
- Gold
- Hemimorphite
- Hydrozincite
- Manganite
- Mimetite
- Psilomelane
- Pyrolusite
- Pyromorphite
- Smithsonite
- Wulfenite
- Anglesite
- Bisbeeite
- Braunite
- Cerussite
- Chalcedony
- Chlorargyrite
- commodity:Copper
- commodity:Gold
- commodity:Lead
- commodity:Manganese
- commodity:Silver
- commodity:Zinc
- Corkite
- Cornubite
- Descloizite
- Galena
- Gypsum
- Hausmannite
- Hematite
- Hemimorphite
- Hydrozincite
- Kaolinite
- Limonite
- Malachite
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 (5)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 7989
Supports:
- locality identity
- reported minerals (24)
A Mindat locality match does not by itself establish underground workings.
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