Alaska
Occurrence

Unnamed

Alaska, United States
ZincLead
⌖ Show on mapUSGS source ↗
Commodities
PrimaryZinc, Lead
Commodity typeM
Deposit
Model60: Skarn Zn-Pb
Materials
Ore mineralsGalena, Sphalerite
GanguePyrite
Geology
Host rockMarble
AlterationThermal metamorphism of Mississippian limestone has commonly developed coarse marble on St. Lawrence Island (Patton and Csejtey, 1980) but calc-silicate minerals or tactite have not been described.
Economic & production
Development statusOccurrence
Identification
Deposit ID10003132
MRDS IDA015664
RegionNA
Data scoreC
Coordinates63.52913, -171.0432
References
Patton, W.W., Jr., and Csejtey, Bela, Jr., 1971, Preliminary geologic investigations of western St. Lawrence Island, Alaska: U.S. Geological Survey Professional Paper 684-C, p. C1-C15.Patton, W.W., Jr., and Csejtey, Bela, Jr., 1980, Geologic map of St. Lawrence Island, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-1203, scale 1:250,000.Cobb, E.H., 1980, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska: U.S. Geological Survey Open-File Report 80-909, 103 p.Cobb, E.H., 1972, Metallic mineral resources map of the Saint Lawrence quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-465, 1 sheet, scale 1:250,000.