Katahdin Pyrrhotite Deposit

Past ProducerIron, SulfurSurfaceUSGS MRDS

Location

StateMaine
CountyPiscataquis
Coordinates45.44328, -69.19437

Commodities

PrimaryIron, Sulfur
TertiaryCopper, Cobalt, Nickel, Sulfur-Pyrite

Mine Details

StatusPast Producer
TypeSurface
First Production1848
Discovery Year1843
Data SourceUSGS MRDS
Source ID10266977

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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