Halfway Mica Mine

Past ProducerMicaUSGS MRDS

Location

StateNew Jersey
CountyWarren
Coordinates40.74806, -75.04710

Commodities

SecondaryMica

Mine Details

StatusPast Producer
First Production1872
Last Production1915
Discovery Year1871
Data SourceUSGS MRDS
Source ID10106366

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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