USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Gila County
El Oso Claims
Source Corroborated Tungsten Underground 2 mapped adits
Key facts
- State
- Arizona
- County
- Gila
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Tungsten
- Verification
- Source Corroborated
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A tungsten claim/prospect located in sec. 7, T9N, R11E, 5½ miles NW of Four Peaks. Mineralization is vein segments in pegmatite striking N65W that crop out at several places. They range from about 28 inches to 5 feet wide and dip 65NE. Gangue consis…
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.
- 2 adit symbols
- Adit : Boulder Mtn. , 1964
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
Source Corroborated
Additional historical source evidence corroborates this record. This is not a member field verification of current conditions.
Why it's listed
USGS source data documents underground workings for this record.
History & operations
Historical record
- Development status: Past Producer
Operators / organizations
- Paul And Wendal Harrison And Clay R Thorne · Source-reported owner · 1978
Commodities & minerals
Reported minerals
- Feldspar Group
- Pyrite
- Scheelite
- Wolframite Group
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 (2)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 47281
Supports:
- locality identity
- reported minerals (4)
A Mindat locality match does not by itself establish underground workings.
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