USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Humboldt County
Unconfirmed Mercury Underground
Mindat locality description
Sec 9(?) T40N R40E Structure: Reg.Struct: Thrust Fault Bedding Plane Faults Deposit: Sandy hornfels or meta-sandstone. Considerable Fe oxide on dumps along with fair showing of cu oxides on 3-4 dumps. No cinnabar observed. Discovered in 1939 by j.c. …
USGS historical topographic mapping. Features may no longer exist.
Every underlying record used to build the summary above, for research/verification use.
Unconfirmed
Source records support underground workings, but UndergroundMines has not yet independently verified this mine.
USGS source data documents underground workings for this record.
No community field reports yet.
I Visited This MineType: Historical mine record
Supports:
Type: Historical mapped physical features
Dataset: DOI 10.5066/P9TAALR6
Supports:
Historical mapped features may no longer exist.
Type: Mineralogical locality database
Record: Mindat Locality: 59624
Supports:
A Mindat locality match does not by itself establish underground workings.
Nevada · Humboldt County
Source Corroborated Mercury Past Producer Underground
Documented shaft/adit evidence
Nevada · Humboldt County
Unconfirmed Mercury Past Producer Underground
Nevada · Humboldt County
Mindat Confirmed Mercury Occurrence Underground
Documented shaft/adit evidence
Nevada · Humboldt County
Unconfirmed Mercury Past Producer Underground
Historical mapped workings available