Connecticut · Middlesex County
Past Producer

Strickland-Cramer Feldspar-Mica Quarries

Middlesex County, Connecticut, United States
TantalumNiobium (Columbium)BerylliumMicaREEFeldspar
⌖ Show on mapUSGS source ↗
Commodities
PrimaryTantalum, Niobium (Columbium), Beryllium, Mica, REE, Feldspar
Commodity typeB
Deposit
Deposit typePegmatite Dike
Model33: Be-Li pegmatites
Deposit sizeS
WorkingsSurface/Underground
Materials
Ore mineralsTantalite, Columbite, Quartz, Uraninite, Garnet, Lepidolite, Spodumene, Beryl, Mica, Feldspar
GangueTourmaline, Cleavelandite, Plagioclase, Perthite
Geology
Host rockPegmatite
Economic & production
Development statusPast Producer
Production years1) 1907 TO 1937, 1942 TO WORLD WAR II; 2) 1934 TO WORLD WAR II.
First production1907
Identification
Deposit ID10067599
MRDS IDW000388
RegionNA
Data scoreB
Coordinates41.59199, -72.59152
References
CAMERON, E.N., 1954, "PEGMATITE INVEST. 1942-45, NEW ENGLAND," USGS, PP.255, PG. 333-338Cameron, E.N., And Others, 1954, "Pegmatite Invest. 1942-45, New England," Usgs, Pp.255, Pg. 333-338'.Cameron, E.N., And Others, 1954, "Pegmatite Invest. 1942-45, New England," Usgs, Pp.255, Pg. 333-338'.Sterrett, D.B., 1923, Mica Deposits Of The United States, USGS Bulletin 740, Pg. 65-67Sterrett, D.B., 1923, Mica Deposits Of The United States, USGS Bulletin 740, Pg. 65-67Cameron, E.N. Et Al., 1945, "Structural And Economic Characteristics Of New England Mica Deposits", Economic Geology, V. Xl, No. 6, P. 378 - 380Cameron, E.N. Et Al., 1945, "Structural And Economic Characteristics Of New England Mica Deposits", Economic Geology, V. Xl, No. 6, P. 378 - 380Rice, W.N., And Foye,W.G., 1927, Guide To The Geology Of Middletown, Ct., And Vicinity, State Geological And Natural History Survey Of Ct. Bulletin No. 41, Pg. 87-90Rice, W.N., And Foye,W.G., 1927, Guide To The Geology Of Middletown, Ct., And Vicinity, State Geological And Natural History Survey Of Ct. Bulletin No. 41, Pg. 87-90USGS FILES