Mine detail: Dyckman

Previously called ''

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Location

Lat / long: 63.83753, -153.20598

Resource(M)

Primary: Arsenic, Molybdenum, Zinc
Ore: Arsenopyrite, Sphalerite
Gangue: Hematite

Production

Operation type: Unknown
Development status: Occurrence

Geology

Alteration processes:Intensive clay alteration of feldspars; chalcedonic replacements in rhyolitic breccias.

References

DEP10307766
Reference{Deposit:: Moll, E.J., Silberman, M.L., and Patton, W.W. Jr., 1981, Chemistry, mineralogy, and K-Ar ages of igneous and metamorphic rocks of the Medfra quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-811C, 15 p., 2 sheets, scale 1:250,000.}{Deposit:: DiMarchi, J.J., Weglarz, T.B., Freeman, L.K., Nicholson, L.C., and Barker, J.C., 1992, Annual Report for 1992--Doyon Option Lands, Block 10: ASA Inc. Report, 121 pages (Report held by Doyon Ltd., Fairbanks, Alaska.)}{Deposit:: Clautice, K.H., Bowman, N.D., Clough, J.G., Gilbert, W.G., Kline, J.T., Smith, T.E., and Blodgett, R.B., 1993, Land selection Unit 8 (Kantishna River, Ruby, and Medfra quadrangles): References, lead isotope, geochemical and major oxide data: Alaska Division of Geological and Geophysical Surveys, 42 p., 1 sheet, scale 1:250,000.}
ReporterBundtzen, T.K.