Montana · Lewis and Clark County
Occurrence
Butterfly Quartz Lode
Lewis and Clark County, Montana, United States
Gold
Silver
Copper
Lead
Zinc
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USGS source ↗
Description
Edward Evans
Commodities
Primary
Gold, Silver, Copper, Lead, Zinc
Commodity type
M
Deposit
Deposit size
N
Workings
Underground
Orebody form
IRREGULAR
Ore control
Contact Point
Materials
Ore minerals
Gold
Gangue
Limonite, Quartz
Geology
Host rock
Argillite · Belt Series, Argillites
Associated rock
Diorite · Boulder Batholith, Diorite
Structure
Boulder Batholith, Granite Peak Stock
Economic & production
Development status
Occurrence
Discovery year
1911
Identification
Deposit ID
10094896
MRDS ID
FS00291
Region
NA
Data score
D
Coordinates
46.87934, -112.5809
References
FS FILES1959 DIREXPL USF