Connecticut · Middlesex County
Past Producer

Markham Mica Mine

Middlesex County, Connecticut, United States
MicaFeldspar
⌖ Show on mapUSGS source ↗
Commodities
PrimaryMica
TertiaryFeldspar
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface
Ore controlPegmatite Dike
Materials
Ore mineralsMica, Quartz
GangueApatite, Biotite, Garnet, Tourmaline
Geology
Host rockMafic Intrusive Rock,Gneiss
Economic & production
Development statusPast Producer
Production years1943 TO 1944
Identification
Deposit ID10067607
MRDS IDW000398
RegionNA
Data scoreB
Coordinates41.54943, -72.5348
References
RODGERS, J., 1959, EXPLANATORY TEXT FOR GEOL. MAP CONN.," CONN GEOLOGICAL SURVEY , BULL. 84, MAP, TEXCAMERON, 1954