Mine detail: Unnamed (near Geyser Creek)

Previously called ''

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Location

Lat / long:

53.19907, -168.50237

Resource(M)

Primary:	Silver, Gold
Ore:	Gold, Pyrite
Gangue:	Quartz

Production

Operation type:	Unknown
Development status:	Occurrence

Geology

Alteration processes:

The volcanic rocks exhibit regional propylitic alteration and local intense argillic alteration and weak silicification. The clay zones contain up to 2 percent pyrite and thin, discontinuous quartz veins.

References

DEP	10308466
Reference	Nye, C.J., Motyka, R.J., Turner, D.L., and Liss, S.A., 1992, Geology and geochemistry of the Geyser Bight geothermal area, Umnak Island, Alaska: Alaska Division of Geological and Geophysical Surveys Report of Investigation 92-1, 85 p., 2 map sheets, scale 1/24,000.
Reporter	S.H. Pilcher