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Scotia (Anvil Creek)

Prospects, Inactive

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Commodities and mineralogy

Main commodities Au
Ore minerals arsenopyrite; pyrite
Gangue minerals calcite; quartz

Geographic location

Quadrangle map, 1:250,000-scale NM
Quadrangle map, 1:63,360-scale C-1
Latitude 64.5785
Longitude -165.3994
Nearby scientific data Find additional scientific data near this location
Location and accuracy The Scotia prospect is at an elevation of about 250 feet on the northwest side of Anvil Creek, and its about 300 feet southwest of the Snake River road switchback where it crosses Anvil Creek. The prospect is locality 16 of Hummel (1962 [MF 247]). The map location is just inside the east-central boundary of section 35, T. 10 S., R. 34 W., Kateel River Meridian; it is probably accurate to within 500 feet.

Geologic setting

Geologic description

The Scotia prospect is probably within sheared wallrock near the Anvil fault. Cathcart (1922, p. 239) reported that an 8-inch quartz-calcite vein occurred in a short tunnel on the Scotia claim; pyrite and arsenopyrite were present in both schist and vein material. Bedrock in the general area is mostly graphitic schist, probably of early Paleozoic protolith age (Hummel, 196 [MF 247]; Sainsbury, Hummel, and Hudson, 1972 [OFR 72-326]; Till and Dumoulin, 1994; Bundtzen and others, 1994).
Geologic map unit (-165.402003184799, 64.5777344493107)
Mineral deposit model Low-sulfide Au-quartz veins? (Cox and Singer, 1986; model 36a).
Mineral deposit model number 36a?
Age of mineralization Mid-Cretaceous or younger; vein cuts schist and marble metamorphosed during the mid-Cretaceous.

Production and reserves

Workings or exploration A 10-foot tunnel was reported by Cathcart (1922, p. 239).
Indication of production None

References

MRDS Number 10308002

References

Bundtzen, T.K., Reger, R.D., Laird, G.M., Pinney, D.S., Clautice, K.H., Liss, S.A., and Cruse, G.R., 1994, Progress report on the geology and mineral resources of the Nome mining district: Alaska Division of Geological and Geophysical Surveys, Public Data-File 94-39, 21 p., 2 sheets, scale 1:63,360.
Cathcart, S.H., 1922, Metalliferous lodes in southern Seward Peninsula: U.S. Geological Survey Bulletin 722-F, p. 163-261.
Cobb, E.H., 1972, Metallic mineral resources map of the Nome quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-463, 2 sheets, scale 1:250,000.
Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Nome quadrangle, Alaska: U.S. Geological Survey Open-File report 78-93, 213 p.
Hummel, C.L., 1962, Preliminary geologic map of the Nome C-1 quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-247, 1 sheet, scale 1:63,360.
Sainsbury, C.L., Hummel, C.L., and Hudson, Travis, 1972, Reconnaissance geologic map of the Nome quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 72-326, 28 p., 1 sheet, scale 1:250,000.
Till, A.B., and Dumoulin, J.A, 1994, Geology of Seward Peninsula and St. Lawrence Island, in Plafker, G., and Berg, H.C., eds., The Geology of Alaska: Geological Society of America, DNAG, The Geology of North America, v. G-1, p. 141-152.
Reporters C.C. Hawley and Travis L. Hudson
Last report date 7/10/2000