USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
Cordero Mine
Unconfirmed Mercury Mixed Underground / Surface 4 mapped shafts
Key facts
- State
- Nevada
- County
- Humboldt
- Mining district
- Opalite Mining District
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Mercury
- Verification
- Unconfirmed
Also known as
- Mcdermitt Group
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: Reg.Struct: Mcdermitt Caldera Collapse Structure: Arcuate Faults And Ring Fractures ; Reg.Trends: Northeast Ne-Trending Faults; "M" Fault Alteration: Silicic, Argillic Tectonics: Basin And Range Commodity: Reported "metacinnabar" is actua…
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.
- 4 shaft symbols
- Shaft : Jordan Meadow , 1959
- Shaft : Jordan Meadow , 1959
View individual source records (5)
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.
- USGS MRDS working type: Surface/Underground
- MRDS work_type documents underground workings: Surface/Underground · work_type
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Surface-Underground · oper_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
- Cordero Mining Co. · Historical operator
Commodities & minerals
Reported minerals
- Alunite
- Chalcedony
- Jarosite
- Opal
- Quartz
- Cinnabar
- Hematite
- Mercury
View all 23 reported minerals
- Alunite
- Chalcedony
- Jarosite
- Opal
- Quartz
- Cinnabar
- Hematite
- Mercury
- Pyrite
- Stibnite
- Alunite
- Andesite
- Chalcedony
- Cinnabar
- commodity:Mercury
- Hematite
- Jarosite
- Native Mercury
- Opal
- Pyrite
- Quartz
- Rhyolite
- Stibnite
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 (4)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 429697
Supports:
- locality identity
- reported minerals (13)
A Mindat locality match does not by itself establish underground workings.
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