Montana · Jefferson County
Past Producer
Morning Mine
Jefferson County, Montana, United States
Silver
Lead
Gold
Zinc
Copper
Arsenic
Antimony
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USGS source ↗
Commodities
Primary
Silver, Lead
Secondary
Gold, Zinc, Copper
Tertiary
Arsenic, Antimony
Commodity type
M
Deposit
Deposit size
S
Workings
Surface/Underground
Ore control
Along Shear Zone In Quartz Monzonite
Materials
Ore minerals
Cerussite, Chalcopyrite, Covellite, Galena, Gold, Sphalerite, Tetrahedrite
Gangue
Polybasite, Pyrite, Quartz, Tourmaline
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Structure
Fault Zone 10-30 Feet Wide Trends N 70 W, Dips 70 N
Economic & production
Development status
Past Producer
Last production
1958
Discovery year
1900
Identification
Deposit ID
10015852
MRDS ID
DB02112
Alternate names
Midnight Mine
Region
NA
Data score
B
Coordinates
46.36518, -112.27171
References
USGS BULL NO 1151, P. 113-14, PL. 1.MBMG BULL 16, P. 104.MBMG BULL 10, P. 29.MBMG BULL 30, P. 23.