The Babybasket is a zinc and copper 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
Babybasket MRDS details
Site Name
Primary: Babybasket
Commodity
Primary: Zinc
Primary: Copper
Secondary: Silver
Secondary: Lead
Location
State: Alaska
District: McGrath
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Polymetallic replacement
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Pyrite
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Polymetallic Replacement Deposit (?)(Cox and Singer, 1986; model no. 19a)
Comment (Deposit): Other Comments = Similar deposits are described in the McGrath and Lime Hills quadrangles (Bundtzen and others, 1994; 1997).
Comment (Workings): Workings / Exploration = The Babybasket occurrence was found as the result of sampling by the U.S. Geological Survey (King and others, 1980; 1983).
Comment (Geology): Geologic Description = The Babybasket prospect consists of several zones of disseminated chalcopyrite, pyrite and rare sphalerite in calc-silicate skarn and carbonate replacement zones. The mineralized zones are adjacent to gabbro-diorite dikes and sills that intrude Cambro-Ordovician silty limestone and shale of the Lyman Hills Formation, the lower-most part of the Dillinger subterrane as defined by Bundtzen and others (1997). No size or orientations of mineralized zones are known. The occurrences were detected as a result of anomalous values found in stream sediment and pan concentrate samples collected by the U.S. Geological Survey (King and others, 1980; 1983). Age is probably either Paleozoic or Triassic, based on isotopic age data collected from equivalent gabbro-diorite sills in the McGrath quadrangle (Bundtzen and others, 1997).
Comment (Reference): Primary Reference = King and others, 1980
Comment (Geology): Age = the Babybasket occurrence is probably either Paleozoic or Triassic, based on isotopic age data collected from equivalent gabbro-diorite sills in the McGrath quadrangle (Bundtzen and others, 1997).
References
Reference (Deposit): Bundtzen, T.K., Laird, G.M., Harris, E.E., and Clautice, K.H., 1994, Geologic map of the Lime Hills C-5 and C-6 quadrangles, Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File Report 94-40, 30 p., 1 sheet, scale 1:63,360.
Reference (Deposit): King, H.D., Tripp, R.B., O'Leary, R.M., and Cooley, E.F., 1983, Distribution and abundance of copper, lead, and zinc in nonmagnetic and moderately magnetic heavy-mineral- concentrate, minus-80-mesh stream-sediment, and ash of aquatic-bryophyte samples, Medfra quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-811-I, 6 sheets, scale 1:250,000.
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