Mine detail: Colorado Gossan

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Location

Lat / long:

63.56046, -155.977

Resource(M)

Primary:	Gold
Ore:	Arsenopyrite
Gangue:	Tourmaline

Production

Operation type:	Unknown
Development status:	Occurrence

Geology

Alteration processes:

Extensive oxidation of original sulfide mineralization.

References

DEP	10307770
Reference	{Deposit:: Mertie, J.B., Jr., 1936, Mineral deposits of the Ruby-Kuskokwim region, Alaska: U.S. Geological Survey Bulletin 864-C, 115-245.}{Deposit:: Patton, W.W., Jr., Moll, E.J., Dutro, J.T., Jr., Silberman, M.L., and Chapman, R.M., 1980, Preliminary geologic map of Medfra quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-811-A, 1 sheet, scale l:250,000.}
Reporter	Bundtzen, T.K.