The Unnamed (north of Avaraart Lake) 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: 67.118, -155.73400
Map: View on Google Maps
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Unnamed (north of Avaraart Lake) MRDS details
Site Name
Primary: Unnamed (north of Avaraart Lake)
Commodity
Primary: Zinc
Primary: Lead
Primary: Copper
Primary: Silver
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
Alteration Type: L
Alteration Text: Locally prominent copper-staining.
Rocks
Role: Host
Age Type: Host Rock
Age Young: Mississippian
Age Old: Devonian
Analytical Data
Not available
Materials
Not available
Comments
Comment (Workings): Workings / Exploration = The deposit has been explored by a number of prospect pits and several diamond drill holes.
Comment (Exploration): Status = Probably inactive
Comment (Geology): Age = Syngenetic massive sulfide deposit in Devonian or Mississippian host rocks.
Comment (Reference): Primary Reference = Grybeck and Nelson, 1981
Comment (Deposit): Model Name = Kuroko massive sulfide (Cox and Singer, 1986; model 28a)
Comment (Geology): Geologic Description = This prospect explores a silver-basemetal 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 deposit is Devonian or Mississippian in age, based on fossil evidence and U-Pb radiometric dating (Hitzman and others, 1986). Numerous copper-stained zones in the schists have been explored by prospect pits and several diamond drill holes. The deposit is similar to, and probably an extension of, the deposits at SP032.
References
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): 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.
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