Branchville Mica Mine

Past ProducerNiobium (Columbium), Tantalum, Quartz, Feldspar, MicaUSGS MRDS

Location

StateConnecticut
CountyFairfield
Coordinates41.26699, -73.43855

Commodities

PrimaryNiobium (Columbium), Tantalum, Quartz, Feldspar, Mica

Mine Details

StatusPast Producer
Deposit TypePegmatite Dike
Data SourceUSGS MRDS
Source ID10068106

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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