USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Lyon County
Oest Mine
Unconfirmed Gold Underground
Key facts
- State
- Nevada
- County
- Lyon
- Mining district
- Comstock Lode
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Gold
- Verification
- Unconfirmed
Also known as
- NBMG # 3654
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: The Northeast-Trending Fault System Forms A Major Structure That Can Be Traced On The Surface For Over Two Miles Along The Strike Haywood-Oest Fault Tectonics: Haywood-Odest Fault Near The Junction Of The Two Major Veins Deposit: Vein, fau…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 33 shaft symbols
- 19 adit symbols
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Underground
- MRDS work_type documents underground workings: Underground · work_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
- Dayton Mining Co. · Historical operator
Commodities & minerals
Reported minerals
- Quartz
- Electrum
- Adularia
- Andradite
- Calcite
- Chalcopyrite
- Chlorite Group
- Chrysocolla
View all 28 reported minerals
- Quartz
- Electrum
- Adularia
- Andradite
- Calcite
- Chalcopyrite
- Chlorite Group
- Chrysocolla
- commodity:Gold
- commodity:Silver
- Electrum
- Epidote
- Galena
- Goethite
- Hematite
- Jarosite
- K Feldspar
- Magnetite
- Malachite
- Montmorillonite
- Native Gold
- Pyrite
- Quartz
- Scheelite
- Schorl
- Sphalerite
- Wad
- Zoisite
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 (33)
- mapped adit symbols (19)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 61134
Supports:
- locality identity
- reported minerals (26)
A Mindat locality match does not by itself establish underground workings.
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