USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Greenlee County
Midnight
Unconfirmed Gold Underground 7 mapped adits
Key facts
- State
- Arizona
- County
- Greenlee
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former surface and undergrond Cu-Au-Pb-Ag-Mn mine located on one patented lode claim, in the SE¼NE¼ sec. 24, T4S, R29E, 2.0 miles N of Clifton on the W side of the San Francisco River, at the end of the jeep trail that leaves highway 191 (old highway…
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.
- 7 adit symbols
- Adit : Clifton , 1989
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.
- Derived from MRDS oper_type (existing operation): Underground
- 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
Commodities & minerals
Reported minerals
- Chalcopyrite
- Epidote
- Galena
- Garnet Group
- Limonite
- 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 adit symbols (7)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 131481
Supports:
- locality identity
- reported minerals (6)
A Mindat locality match does not by itself establish underground workings.
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