USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
California · El Dorado County
Ruby Consolidated
Unconfirmed Chromium Underground
Key facts
- State
- California
- County
- El Dorado
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Chromium
- Verification
- Unconfirmed
Also known as
- Green Mine
Mine Location
Approximate AreaDocumented underground workings
Source classification: Underground operation documented
Specific physical workings are not yet documented in discrete records.
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 1 shaft symbol
- 1 adit symbol
View individual source records (2)
Every underlying record used to build the summary above, for research/verification use.
- Derived from MRDS oper_type (existing operation): Underground
- MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_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
- L. H. Butcher Co.-Leased From Green Estate,During W. W. I. · Historical operator · 1976
- Lulu Stone-Lessee · Historical operator · 1976
- Taylor, John · Historical operator · 1976
- Green Estate-Owner During Early 1900'S. · Source-reported owner · 1976
Commodities & minerals
Reported minerals
- Calcite
- Chromite
- Penninite
- Talc
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 (1)
- mapped adit symbols (1)
Historical mapped features may no longer exist.
Related underground mines
Darrington Mine
California · El Dorado County
Unconfirmed Chromium Past Producer Mixed Underground/Surface
Documented adit evidence
Helemar
California · El Dorado County
Unconfirmed Chromium Past Producer
Burnett
California · El Dorado County
Unconfirmed Chromium Past Producer
Historical mapped workings available