Coloma District

Past ProducerBarium-Barite, GoldUSGS MRDS

Location

StateMontana
CountyMissoula, Granite
Coordinates46.84099, -113.37593

Commodities

PrimaryBarium-Barite, Gold
SecondaryCopper, Silver, Lead
TertiaryAntimony

Mine Details

StatusPast Producer
Deposit TypeVEIN, PLACER
Discovery Year1897
Data SourceUSGS MRDS
Source ID60000337

What This Means

This mine is a past producer — it was once operational but is no longer actively mining. Past producer sites may still have environmental impacts including disturbed land, tailings piles, and potential water quality effects. Some past producer sites have been reclaimed, while others remain as-is. Check with your state mining or environmental agency for current site conditions.

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