USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
Snowdrift Property
Unconfirmed Mercury Mixed Underground / Surface
Key facts
- State
- Nevada
- County
- Humboldt
- Mining district
- Poverty Peak District
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Mercury
- Verification
- Unconfirmed
Also known as
- Zilkey Prospect
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Sec 3(?) T40N R40E Structure: Thrust Fault 1 Alteration: Silicification Commodity: Occurs As crystalline bunches in calcite veinlets Deposit: Some exceptionally well-formed cinnabar crystals were hand-sorted and sold to mineral collectors. Discover…
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 adit symbol
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- USGS MRDS working type: Surface/Underground
- MRDS work_type documents underground workings: Surface/Underground · work_type
Verification
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
Why it's listed
Source records document both underground and surface mining.
History & operations
Historical record
- Development status: Past Producer
Operators / organizations
- N. H. Getchell · Historical operator
- W. O. And R.J. Zilkey · Source-reported owner
Commodities & minerals
Reported minerals
- Quartz
- Cinnabar
- Calcite
- Calomel
- Cinnabar
- commodity:Mercury
- Eglestonite
- Limestone
View all 13 reported minerals
- Quartz
- Cinnabar
- Calcite
- Calomel
- Cinnabar
- commodity:Mercury
- Eglestonite
- Limestone
- Native Mercury
- Quartz
- Quartzite
- Schuetteite
- Terlinguaite
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 (1)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 36845
Supports:
- locality identity
- reported minerals (11)
A Mindat locality match does not by itself establish underground workings.
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Documented shaft/adit evidence
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