Mine detail: Unnamed (east of inner Sylburn Harbor)

Previously called ''

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Location

Lat / long:

55.17674, -131.55276

Resource(M)

Primary:	Copper
Ore:	Azurite, Chalcopyrite, Hematite, Magnetite, Malachite, Pyrite
Gangue:	Calcite, Quartz

Production

Operation type:	Unknown
Development status:	Occurrence

Geology

Alteration processes:

Local oxidation of chalcopyrite to azurite and malachite; oxidation of iron mineral(s) to hematite; sericitization of sheared trondhjemite country rock; sulfide impregnation of wallrock adjacent to veins.

References

MRDS	A012379
DEP	10308880
Reference	{Deposit:: Berg, H.C., 1972, Geologic map of Annette Island, Alaska: U.S. Geological Survey Miscellaneous Geologic Investigations Map I-684, 8 p., 1 sheet, scale 1:63,360,}{Deposit:: Elliott, R.L., Berg, H.C., and Karl, Susan, 1978, map and table describing metalliferous and selected nonmetalliferous mineral deposits, Ketchikan and Prince Rupert quadrangles, Alaska: U.S. Geological Survey Open-file Report, 78-73-B,17 p., scale 1:250,000.}{Deposit:: Karl, S.M., 1992, Map and table of mineral deposits on Annette Island, Alaska: U.S. Geological Survey Open-File Report 92-690, 57 p., 1 map, scale 1:63,360.}
Reporter	H.C. Berg