New Jersey · Warren County
Past Producer
French Lake Quarry
Warren County, New Jersey, United States
Slate
Dimension
Stone
Crushed/Broken
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USGS source ↗
Commodities
Primary
Slate, Dimension
Secondary
Stone, Crushed/Broken
Commodity type
N
Deposit
Deposit size
S
Workings
Surface
Orebody form
IRREGULAR
Materials
Ore minerals
Slate
Geology
Host rock
Slate · Martinsburg
Economic & production
Development status
Past Producer
First production
1890
Last production
1960
Identification
Deposit ID
10082386
MRDS ID
W055125
Region
NA
Data score
D
Coordinates
40.96806, -74.89682
References
FIELD CHECKED 1986