USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Arizona · Mohave County
Frisco
Unconfirmed Gold Underground 2 mapped shafts 3 mapped adits
Key facts
- State
- Arizona
- County
- Mohave
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Unconfirmed
Also known as
- Equator Prospect, Tragedy Group, Tragedy Claims
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A former Au-Ag occurrence/mine located in the NE¼ sec. 16, T21N, R20W, G&SRM, 1.75 miles SW of Union Pass and about 9 miles from the Colorado River, on Bureau of Land Management administered land. Discovered 1894. Owned & operated by the Frisco Land a…
Additional documented workings
-
Shaft
— documented in 2 source records.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 2 shaft symbols
- 3 adit symbols
- Shaft : Union Pass , 1967
- Shaft : Union Pass , 1967
View individual source records (4)
Every underlying record used to build the summary above, for research/verification use.
-
Shaft
Mapped on historical USGS topographic data (Mine Shaft). Historical map features may no longer exist in the field. -
Shaft
Mapped on historical USGS topographic data (Mine Shaft). 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
Operators / organizations
- Frisco Land And Mining Co. · Historical operator · 1987
Commodities & minerals
Reported minerals
- Calcite
- Chalcedony
- commodity:Gold
- commodity:Silver
- Gneiss
- Gold
- Granite
- Native Gold
View all 12 reported minerals
- Calcite
- Chalcedony
- commodity:Gold
- commodity:Silver
- Gneiss
- Gold
- Granite
- Native Gold
- Quartz
- Rhyolite
- Schist
- Silver
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 (2)
- mapped adit symbols (3)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 36817
Supports:
- locality identity
- reported minerals (10)
A Mindat locality match does not by itself establish underground workings.
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