|Quadrangle map, 1:250,000-scale||ID|
|Quadrangle map, 1:63,360-scale||B-4|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This prospect is at an elevation of about 1,300 feet on the eastern flank of a north-trending ridge; it is about 2.0 miles southwest of Discovery Camp on Otter Creek, about 0.4 mile northeast of hill 1565, and near the center of section 15, T. 27 N., R. 47 W., of the Seward Meridian. The location is accurate.|
Geologic descriptionThis prospect consists of an iron-oxide-stained quartz vein in hornfels derived from the Upper Cretaceous, Kuskokwim Group (Bundtzen and others, 1992; Miller, Bundtzen and Gray, 2004). The vein was explored with a small drift which has since caved. Float on the surface indicated that the quartz vein is at least 12 inches thick; no sulfides were recognized. Some of the quartz contains visible gold. One grab sample of rubble of the quartz vein contained 11.0 parts per million (ppm) gold, 7.0 ppm silver, 340 ppm arsenic, 50 ppm tungsten, and 140 parts per billion (ppb) mercury (McGimsey and others, 1988; Bundtzen and others, 1992).
|Geologic map unit||(-157.970273545125, 62.4278351228325)|
|Mineral deposit model||Polymetallic vein (Cox and Singer, 1986; model 22c).|
|Mineral deposit model number||22c|
|Alteration of deposit||Iron oxide staining.|
|Workings or exploration||A drift, now caved, and small pit explored the prospect. About 20 tons of mineralized rock occur on the dump. The prospect was sampled by the US. Geological Survey and the Alaska Division of Geological and Geophysical Surveys (McGimsey and others, 1988; Bundtzen and others, 1992).|
|Indication of production||Undetermined|
|Production notes||Probably none.|
Bundtzen, T.K., Miller, M.L., Laird, G.M., and Bull, K.F., 1992, Geology and mineral resources of Iditarod mining district, Iditarod B-4 and eastern B-5 quadrangles, southwestern Alaska: Alaska Division of Geological and Geophysical Surveys Professional Report 97, 46 p., 2 sheets, scale 1:63,360.
McGimsey, R.G., Miller, M.L., and Arbogast, B.F., 1988, Paper version of analytical results, and sample locality map for rock samples from the Iditarod quadrangle, Alaska: U.S. Geological Survey Open-File Report 88-421-A, 110 p., 1 sheet, scale 1:250,000.
|Reporters||T.K. Bundtzen (Pacific Rim Geological Consulting, Inc.), M.L. Miller (U.S. Geological Survey); and C.C. Hawley (Hawley Resource Group)|
|Last report date||5/21/2003|