The Rainbow is a gold 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
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Rainbow MRDS details
Site Name
Primary: Rainbow
Commodity
Primary: Gold
Secondary: Zinc
Secondary: Tungsten
Secondary: Lead
Location
State: Alaska
District: Fairbanks
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Alteration Text: Quartz, iron- and manganese-stained in places.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Arsenopyrite
Ore: Galena
Ore: Gold
Ore: Pyrite
Ore: Scheelite
Ore: Sphalerite
Comments
Comment (Production): Production Notes = By 1914, 480 tons of ore had been shipped (Chapin, 1914).
Comment (Deposit): Model Name = Polymetallic vein (Cox and Singer, 1986; model 22c).
Comment (Reference): Primary Reference = Smith, 1913 (B 525)
Comment (Exploration): Status = Inactive
Comment (Workings): Workings / Exploration = Workings consisted of a vertical shaft 100 feet deep and 270 feet of drifts on the vein (Smith, 1913; B 525). The vein was also marked by surface pits (Chapin, 1914). The old shaft and adit were inaccessible in 1931 (Hill, 1933).
Comment (Geology): Geologic Description = Gold is found in a nearly vertical, east-striking, quartz vein. The vein also contains pyrite, arsenopyrite, galena, sphalerite (Smith, 1913; B 525). The vein has been variously described as from 18 inches wide to 3 feet wide (Brooks, 1912; Chapin, 1914). The vein cuts schist, quartzite, and granite (Chapin, 1914). About 500 feet of underground workings were reported by 1912 (Brooks, 1912). Four hundred and eighty tons of ore was shipped from these workings (Chapin, 1914). The vein contained 1.11 ounces of gold per ton with a narrow 2 inch band containing 10.26 ounces of gold per ton (Hill, 1933).
References
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Livengood quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-819, 241 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Livengood quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-413, 2 sheets, scale 1:250,000.
Reference (Deposit): Brooks, A.H., 1912, The Alaska mining industry in 1911, in Brooks, A.H., and others, Mineral resources of Alaska, 1911: U.S. Geological Survey Bulletin 520, p. 17-44.
Reference (Deposit): Smith, P.S., 1913, Lode mining near Fairbanks, in Prindle, L.M., A geologic reconnaissance of the Fairbanks quadrangle, Alaska: U.S. Geological Survey Bulletin 525, p. 153-216.
Reference (Deposit): Chapin, Theodore, 1914, Lode mining near Fairbanks, Alaska: U.S. Geological Survey Bulletin 592-J, p. 321-355.
Reference (Deposit): Chapin, Theodore, 1919, Mining in the Fairbanks district: U.S. Geological Survey Bulletin 692-F, p. 321-327.
Reference (Deposit): Hill, J.M., 1933, Lode deposits of the Fairbanks District, Alaska: U.S. Geological Survey Bulletin 849-B, p. 29-163.
Reference (Deposit): Byers, F.M., Jr., 1957, Tungsten deposits in the Fairbanks district, Alaska: U.S. Geological Survey Bulletin 1024-I, p. 179-216.
Reference (Deposit): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.
Reference (Deposit): Chapman, R.M., and Foster, R.L., 1969, Lode mines and prospects in the Fairbanks district, Alaska: U.S. Geological Survey Professional Paper 625-D, 25 p., 1 plate.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-633, 72 p.
Reference (Deposit): Eakin, H.M., 1915, Placer mining in Seward Peninsula: U.S. Geological Survey Bulletin 622-I, p. 366-373.
Reference (Deposit): Smith, P.S., 1913, Lode mining near Fairbanks: U.S. Geological Survey Bulletin 542-F, p. 137-202.
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