Commodities
TertiaryTin, Feldspar, Semiprecious Gemstone, Mica
Commodity typeB
Materials
Other materialsApatite, Beryl, Cassiterite, Cleavelandite, Columbite, Fluorite, Garnet, Lepidolite, Muscovite, Plagioclase, Quartz, Tantalite, Tourmaline
Economic & production
Development statusPast Producer
First production1896
Identification
Deposit ID10167375
MRDS IDW000945
Alternate namesJ-J Mine, Haddam Neck Quarry
RegionNA
Data scoreC
Coordinates41.49249, -72.51142
References
BASTIAN EDSON S., USGS BULL 420, 1910, PP 48-49CAMERON, EUGENE N., ET.AL., USGS PROF. PAPER 255, 1954, PP 3KILLEEN, P.L., NEWMAN, W.L., TEXT FOR USGS MR-44, 1965, P 3STERRETT, DOUGLAS B., USGS BULL 740, 1923, PP 67-69CONFIDENTIAL UNPUBLISHED COMPANY AND GOVT. WAR MIN. REPT., F91.1854, J-J MINE, MIDDLESEX CO., CONN.