USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Gila County
Silver Nugget
Mindat Confirmed Zinc Underground 3 mapped shafts 3 mapped adits
Key facts
- State
- Arizona
- County
- Gila
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Zinc
- Verification
- Mindat Confirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former underground Zn-Ag-Pb-Au mine located in the center E½E½ sec. 23, T2N, R15E, on National Forest land. Mineralization is a large vein. Workings include 2 shafts at 100 and 160 feet deep, plus a 180 foot drift (1881). A 5-stamp mill was ere…
Additional documented workings
-
Adit
— documented in 1 source record.
USGS Historical Topographic Mine Features -
Drift
— documented in 1 source record,
noting 180 ft drift, 160 ft deep.
Mindat -
Shaft
— documented in 1 source record,
noting 160 ft deep, 180 ft drift.
Mindat
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 3 shaft symbols
- 3 adit symbols
- Adit : Globe , 1945
View individual source records (5)
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. -
Drift
· length 180 ft
Documented in Mindat locality data. Evidence: alization is a large vein. Workings include 2 shafts at 100 and 160 feet deep, plus a 180 foot drift (1881). A 5-stamp mill was ere..… -
Shaft
· depth 160 ft
Documented in Mindat locality data. Evidence: 23, T2N, R15E, on National Forest land. Mineralization is a large vein. Workings include 2 shafts at 100 and 160 feet deep, plus a 18…
- Derived from MRDS oper_type (existing operation): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type
Verification
Mindat Confirmed
Mindat locality corroborates underground workings.
Why confirmed?
Mindat locality corroborates underground workings.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Commodities & minerals
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 (3)
- mapped adit symbols (3)
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: 54362
Supports:
- locality identity
- underground workings