Connecticut · Middlesex County
Past Producer

Chatham Great Hill Cobalt Nickel Arsenopyrite Mine

Middlesex County, Connecticut, United States
ArsenicIronNickelCobaltSulfurZincLeadCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryArsenic, Iron, Nickel, Cobalt
SecondarySulfur
TertiaryZinc, Lead, Copper
Commodity typeB
Deposit
Deposit sizeY
WorkingsUnknown
Ore controlProbably Fault Zone, Siliceous In Part, In Schist
Materials
Ore mineralsCobaltite, Erythrite, Galena, Niccolite, Siderite, Smaltite, Sphalerite
GangueBiotite, Plagioclase, Staurolite
Geology
Associated rockMafic Intrusive Rock
Economic & production
Development statusPast Producer
Discovery year1661
Identification
Deposit ID10067769
MRDS IDW000604
RegionNA
Data scoreC
Coordinates41.57721, -72.55035
References
SHEPARD, C.U., 1837, "REPORT", CONN. GEOLOGICAL SURVEY, TEXT P. 5BLAKE, 1882