Helena Pumicite Deposit

OccurrencePumiceUSGS MRDS

Location

StateMontana
CountyLewis and Clark
Coordinates46.58550, -111.93008

Commodities

PrimaryPumice

Mine Details

StatusOccurrence
Data SourceUSGS MRDS
Source ID10124670

What This Means

This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.

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