USGS Mineral Resources Data System
Type: Historical mine record
Supports:
- mine identity
- development status
- commodities
- underground eligibility evidence
Nevada · Lyon County
Douglas Hill Mine
Unconfirmed Copper Underground
Key facts
- State
- Nevada
- County
- Lyon
- Development status
- Past Producer
- Mine type
- Underground
- Primary commodity
- Copper
- Verification
- Unconfirmed
Mine Location
Approximate AreaDocumented underground workings
Mindat locality description
A copper mine located near Artesia Lake. Glory holes visible in aerial photos. Adits previously accessible to the west, but allegedly have collapsed. Structure: Yerington Batholith Alteration: Shallow Oxidation, Albitic, Sericitic, Propylitic, W…
Additional documented workings
-
Adit
— documented in 1 source record.
Mindat
Historical mapped workings
USGS historical topographic mapping. Features may no longer exist.
- 24 shaft symbols
- 27 adit symbols
View individual source records (3)
Every underlying record used to build the summary above, for research/verification use.
-
Adit
Documented in Mindat locality data. Evidence: A copper mine located near Artesia Lake. Glory holes visible in aerial photos. Adits previously accessible to the west, but allegedly…
- 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
Commodities & minerals
Reported minerals
- Amethyst
- Andradite
- Bornite
- Brochantite
- Chalcocite
- Chalcopyrite
- Chalcosiderite
- Chrysocolla
View all 34 reported minerals
- Amethyst
- Andradite
- Bornite
- Brochantite
- Chalcocite
- Chalcopyrite
- Chalcosiderite
- Chrysocolla
- Clinochrysotile
- commodity:Copper
- commodity:Gold
- commodity:Silver
- Cornetite
- Covellite
- Diopside
- Diorite
- Epidote
- Garnetite
- Goethite
- Grossular
- Libethenite
- Limestone
- Malachite
- Monzonite
- Orthobrochantite
- Paratacamite
- Pseudomalachite
- Pyrite
- Pyroxene Group
- Quartz
- Tangeite
- Tenorite
- Tremolite
- Volborthite
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 (24)
- mapped adit symbols (27)
Historical mapped features may no longer exist.
Mindat
Type: Mineralogical locality database
Record: Mindat Locality: 6986
Supports:
- locality identity
- reported minerals (34)
A Mindat locality match does not by itself establish underground workings.
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