Black Mt. Quarry

Past ProducerLithium, Feldspar, Mica, BerylliumUSGS MRDS

Location

StateMaine
CountyOxford
Coordinates44.58408, -70.64636

Commodities

PrimaryLithium, Feldspar, Mica, Beryllium
SecondaryTin, Tantalum, Niobium (Columbium)

Mine Details

StatusPast Producer
Deposit TypePegmatite
Data SourceUSGS MRDS
Source ID10100525

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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