USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
Tom Major Property
Mindat Confirmed Manganese Underground 1 mapped shaft
Key facts
- State
- Nevada
- County
- Humboldt
- Development status
- Occurrence
- Mine type
- Underground
- Primary commodity
- Manganese
- Verification
- Mindat Confirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Alteration: Silicification Deposit: Developed by a 40-ft. Shaft, but no ore had been shipped As of june, 1918. Deposit type: Replacement Mn Geology: 5 ft. Thick bed of manganese ore (oxide), 100 ft. In diameter; oxides persist to40 ft. Deep Rock for…
Additional documented workings
-
Shaft
— documented in 2 source records,
noting 100 ft.
USGS Historical Topographic Mine Features · Mindat
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 shaft symbol
- Shaft : Goldrun Creek , 1965
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
Documented in Mindat locality data. Evidence: Alteration: Silicification Deposit: Developed by a 40-ft. Shaft, but no ore had been shipped As of june, 1918. Deposit type: Replacem…
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_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: Occurrence
Operators / organizations
- Major, Thomas · Source-reported owner
Commodities & minerals
Reported minerals
- Limonite
- Psilomelane
- Pyrite
- Pyrolusite
- commodity:Iron
- commodity:Lead
- commodity:Manganese
- commodity:Silver
View all 15 reported minerals
- Limonite
- Psilomelane
- Pyrite
- Pyrolusite
- commodity:Iron
- commodity:Lead
- commodity:Manganese
- commodity:Silver
- commodity:Zinc
- Limestone
- Limonite
- Psilomelane
- Pyrite
- Pyrolusite
- Rhodonite
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 (1)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 430171
Supports:
- locality identity
- reported minerals (11)
- underground workings
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