Montana · Jefferson County
Past Producer
Ida May Mine
Jefferson County, Montana, United States
Silver
Lead
Gold
Zinc
Uranium
⌖ Show on map
USGS source ↗
Commodities
Primary
Silver
Secondary
Lead, Gold, Zinc
Tertiary
Uranium
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Galena, Gold, Sphalerite
Gangue
Limonite, Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Economic & production
Development status
Past Producer
First production
1895
Identification
Deposit ID
10019301
MRDS ID
DC09424
Region
NA
Data score
C
Coordinates
46.41934, -112.2306
References
USGS PP 428, P. 55, 61