USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Mineral County
Endowment Mine
Source Corroborated Silver Underground 5 mapped adits
Key facts
- State
- Nevada
- County
- Mineral
- Mining district
- Silver Star
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Silver
- Verification
- Source Corroborated
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: Ne-Trending Faults Strong Folding With Local Overturning, Tert And Quat Faulting Alteration: Oxidation Tectonics: Basin And Range Deposit: Two veins whose width varies from several inches to 6 feet, and which strike southeast to east and …
Additional documented workings
-
Adit
— documented in 2 source records.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 5 adit symbols
- Adit : Moho Mountain , 1967
- Adit : Moho Mountain , 1967
View individual source records (4)
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. -
Adit
Mapped on historical USGS topographic data (Adit). Historical map features may no longer exist in the field.
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_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
Commodities & minerals
Reported minerals
- Copper
- Smithsonite
- Chalcopyrite
- Lead
- Pyrite
- Sphalerite
- Azurite
- Cerussite
View all 20 reported minerals
- Copper
- Smithsonite
- Chalcopyrite
- Lead
- Pyrite
- Sphalerite
- Azurite
- Cerussite
- Chalcopyrite
- commodity:Lead
- commodity:Silver
- Galena
- Granite
- Malachite
- Pyrite
- Pyromorphite
- Quartzite
- Smithsonite
- Sphalerite
- Tetrahedrite Subgroup
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 (5)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 63208
Supports:
- locality identity
- reported minerals (14)
A Mindat locality match does not by itself establish underground workings.
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Documented adit evidence
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Historical mapped workings available