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Anderson

Occurrence, Inactive

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Commodities and mineralogy

Main commodities W
Other commodities Au
Ore minerals gold; scheelite

Geographic location

Quadrangle map, 1:250,000-scale FB
Quadrangle map, 1:63,360-scale D-2
Latitude 64.951
Longitude -147.539
Nearby scientific data Find additional scientific data near this location
Location and accuracy The Anderson occurrence is located near the southwest corner of sec. 34, T. 2 N., R. 1 W., Fairbanks Meridian, on the south side of Tungsten Gulch. This occurrence is approximately 1 mile southwest of Tungsten Hill and about 2.5 miles east of the town of Fox. This occurrence is included in locality 27 of Cobb (1972 [MF 410]) and is locality 129b of Chapman and Foster (1969).

Geologic setting

Geologic description

The Anderson prospect is in mica schist of the Fairbanks Schist adjacent to a Cretaceous granite intrusion. Scheelite was found along the outer edge of a quartz vein in the schist; no scheelite was found within the vein or within the schist (Mertie, 1917, p. 424). The quartz vein is oriented N. 50 E., 55 NW.; the foliation of the the schist is N. 60 E., 20 W. (Mertie, 1917, p. 424). White and others (1952) reported sheared quartz veins that contained gold and several common sulfides in the in the granitic rock.
Geologic map unit (-147.541434988307, 64.9505735753653)
Mineral deposit model W skarn deposit (Cox and Singer, 1986; model 14a)
Mineral deposit model number 14a

Production and reserves

Workings or exploration Surface exposure only.
Indication of production None

References

MRDS Number A015292; D002636

References

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.
Cobb, E.H., 1972, Metallic mineral resources map of the Fairbanks quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-410, 1 sheet, scale 1:250,000.
Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Fairbanks quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-662, 174 p.
Mertie, J.B., Jr., 1918, Lode mining in the Fairbanks district, in Brooks, A.H., and others, Mineral resources of Alaska, report on progress of investigations in 1916: U.S. Geological Survey Bulletin 662, p. 403-424.
Thorne, R.L., Muir, N.M., Erickson, A.W., Thomas, B. I., Hedie, H. E., and Wright, W. S., 1948, Tungsten deposits of Alaska: U.S. Bureau of Mines Report of Investigation 4174, 51 p.
White, M. G., West, W. S., Tolbert, G. E., Nelson, A. E., and Huston, J R., 1952, Preliminary summary of reconnaissance of uranium in Alaska, 1951: U.S. Geological Survey Cicular 196, 17 p.
Reporters J.R. Guidetti Schaefer and C.J. Freeman (Avalon Development Corporation)
Last report date 7/31/2001