USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Esmeralda County
Log Spring Mine
Unconfirmed Talc-Soapstone Mixed Underground / Surface 3 mapped shafts 1 mapped adit
Key facts
- State
- Nevada
- County
- Esmeralda
- Mining district
- Sylvania (Green Mountain) District
- Development status
- Past Producer
- Mine type
- Mixed underground / surface
- Primary commodity
- Talc-Soapstone
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
Structure: Faults Alteration: Quartz Diorite Dikes Partly Altered To Chlorite, Calcite And Mica Commodity: Unbroken ore is light greenish gray to greenish gray, fine grained, compact and relatively pure Deposit: Ore bodies occur in an area 400 ft by…
Additional documented workings
-
Shaft
— documented in 2 source records.
USGS Historical Topographic Mine Features -
Adit
— documented in 1 source record.
USGS Historical Topographic Mine Features
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 3 shaft symbols
- 1 adit symbol
- Adit : Sylvania Mts. , 1987
- Shaft : Sylvania Mts. , 1987
- Shaft : Sylvania Mts. , 1987
View individual source records (5)
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. -
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
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
- Sutton, William · Historical operator
Commodities & minerals
Reported minerals
- Calcite
- Mica
- Talc
- Calcite
- Chlorite
- Chlorite Group
- commodity:Clay
- commodity:Talc
View all 13 reported minerals
- Calcite
- Mica
- Talc
- Calcite
- Chlorite
- Chlorite Group
- commodity:Clay
- commodity:Talc
- Diorite
- Dolostone
- Mica Group
- Talc
- Tuff
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 (3)
- mapped adit symbols (1)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 428974
Supports:
- locality identity
- reported minerals (9)
A Mindat locality match does not by itself establish underground workings.
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