The BTcc is a zinc, lead, copper, and silver mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation:
Commodity: Zinc, Lead, Copper, Silver
Lat, Long: 67.11, -155.86000
Map: View on Google Maps
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BTcc MRDS details
Site Name
Primary: BTcc
Commodity
Primary: Zinc
Primary: Lead
Primary: Copper
Primary: Silver
Secondary: Barium-Barite
Location
State: Alaska
District: Shungnak
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Massive sulfide, kuroko
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Tennantite
Ore: Cymrite
Ore: Cymrite
Comments
Comment (Geology): Age = Host rock is Mississippian - Devonian.
Comment (Deposit): Model Name = Kuroko massive sulfide (Cox and Singer, 1986; model 28a)
Comment (Exploration): Status = Active?
Comment (Geology): Age = Syngenetic deposit in Devonian or Mississippian host rocks (Hitzman and others, 1986).
Comment (Reference): Primary Reference = Hitzman, 1978
Comment (Workings): Workings / Exploration = Surface mapping and drilling.
Comment (Geology): Geologic Description = The BTcc group of prospects explore silver-base metal volcanogenic massive sulfide deposits in a sequence of low to medium grade, metamorphosed basaltic and rhyolitic rocks, submarine ash flow tuffs, and pelitic and carbonaceous sedimentary rocks known as the Ambler schist belt. The deposits are Devonian or Mississippian based on fossil evidence and U-Pb radiometric dating (Hitzman, 1978; Hitzman and others, 1986). There are numerous prospect pits and diamond drill sites in the area dating to the late 1970's. Surface mapping has shown that the deposits extend 10 km to the west along the same stratigraphic horizon.
References
Reference (Deposit): Grybeck, D.J., and Nelson, S.W., 1981, Mineral deposit map of the Survey Pass quadrangle, Brooks Range, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1176-F, 1 sheet, scale 1:250,000.
Reference (Deposit): Hitzman, M.W., Profett, J.M., Jr., Schmidt, J.M., and Smith, T.E., 1986, Geology and mineralization of the Ambler district, northwestern Alaska: Economic Geology, v. 81, p. 1592-1618.
Reference (Deposit): Hitzman, M.W., 1978, Geology of the BT claim group, southwestern Brooks Range, Alaska: University of Washington, Seattle, M.Sc. thesis, 80 p.
Reference (Deposit): Hitzman, M.W., 1980, Geology of the BT claim group, southwestern Brooks Range, Alaska, in Silberman, M.L., Field, C.W., Berry, A.L., eds, Proceedings of the symposium on mineral deposits of the Pacific Northwest: U.S. Geological Survey Open-File Report 81-355, p. 17-35.
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