|Quadrangle map, 1:250,000-scale||RB|
|Quadrangle map, 1:63,360-scale||D-5|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||Shovel Creek is a south-flowing tributary of the Yukon River that is approximately 6 miles long. The reports of this occurrence do not list a specific location (Cobb and Chapman, 1981), however the deposit is known to be on one of the lower creek terraces of unknown length. Coordinates given are for the location of that terrace, located in section 6, T. 7 S., R. 19 E., and equivalent to location 42 of Eberlein and others (1977). The location is accurate within 2 miles. Additional prospecting has occurred further downstream from this area, in section 18, T. 7 S., R. 19 E. Shovel Creek lies within Doyon, Limited selected land.|
Shovel Creek drains a granite body that intrudes mafic rocks, limestone, greenstone, argillite, and schist (Eberlein and others, 1977). In 1911, gold-bearing gravels were found under 20 or more feet of clean white quartz boulders overlain by several feet of fine sediment or muck (Maddren, 1912; Mertie and Harrington, 1916). The ground did not contain enough gold to support mining (Mertie and Harrington, 1924).Doyon, Limited conducted stream sediment sampling in the lower portion of the creek in 1985. Values were as high as 4,200 parts per billion gold, 375 parts per million tin, and 1,330 parts per million tungsten in composite pan concentrate samples at two locations (Bond, 1985). The greenstone is locally propylitically altered, and the argillite commonly contains quartz veins and stockworks (DiMarchi and others, 1990).
|Geologic map unit||(-155.088879962777, 64.9064485495112)|
|Mineral deposit model||Placer Au (Cox and Singer, 1986; model 39a).|
|Mineral deposit model number||39a|
|Age of mineralization||Quaternary.|
|Workings or exploration||Shovel Creek was prospected during 1911 and through 1915. Doyon, Limited took soil samples in 1985.|
|Indication of production||Undetermined|
Additional commentsShovel Creek lies within Doyon, Limit selected land. For more information, contact Doyon, Limited.
Bond, 1985, Geologic field examination in Doyon Limited Regional Selection Block 18, Middle Yukon: Report 85-20 held by Doyon Limited Corporation, Fairbanks, Alaska.
Cobb, E.H., and Chapman, R.M., 1981, Mineral occurrences (other than mineral fuels and construction materials) in the Kantishna River and Ruby quadrangles, Alaska: U.S. Geological Survey Open-File Report 81-170, 94 p.
DiMarchi, J., Weglarz, T.B., Dickey, C.F., Laux, D.P., Smith, M.T., Toro, J., and Kurtz, J.P., 1990, Central Alaska Gold Company 1990 Annual Report, Alaska Field Operations - Doyon Option Volume 1: held by Doyon, Limited, Fairbanks, Alaska.
Eberlein, G.D., Chapman, R.M., Foster, H.L., and Gassaway, J.S., 1977, Map and table describing known metalliferous and selected nonmetalliferous mineral deposits in central Alaska: U.S. Geological Survey Open-File Report 77-168-D, 132 p., 1 sheet, scale 1:1,000,000.
|Reporters||C.E. Cameron (Alaska Division of Geological and Geophysical Surveys)|
|Last report date||3/22/2000|