New Jersey · Warren County
Past Producer

Halfway Mica Mine

Warren County, New Jersey, United States
Mica
⌖ Show on mapUSGS source ↗
Description

Clarkson Bird, Broadway, N.J.

Commodities
SecondaryMica
Commodity typeN
Deposit
Deposit sizeS
WorkingsUnderground
Materials
GangueFeldspar
Geology
Host rockGneiss,Granite
Economic & production
Development statusPast Producer
First production1872
Last production1915
Discovery year1871
Identification
Deposit ID10106366
MRDS IDW055042
RegionNA
Data scoreC
Coordinates40.74806, -75.0471
References
FIELD CHECKED 1985LEWIS, J.V. 1915, NEW JERSEY GEOLOGICAL SURVEY'S PERMENANT NOTES, ON FILE AT NJGS, TRENTONCOOK, GEO. H. 1872, ANNUAL REPORT OF THE STATE GEOLOGIST OF NEW JERSEY FOR THE YEAR 1872, PG 31