Unnamed Occurrence (ARDF - CG013; south of mouth of Fishhook Bay), Lake and Peninsula Borough, Alaska, USAi

Regional Level Types
Unnamed Occurrence (ARDF - CG013; south of mouth of Fishhook Bay)	- not defined -
Lake and Peninsula Borough	Borough
Alaska	State
USA	Country

This site is located within the Alaska Peninsula National Wildlife Refuge.
Location: This occurrence is located in T. 48 S., R. 60 W., of the Seward Meridian, approximately 1.3 miles south of the mouth of Fishook Bay. The location is accurate to within 1/2 mile.
Geology: The rocks at this site consist of Cretaceous Hoodoo Formation cut by andesite dikes. The U.S. Geological Survey sampled a pyritic quartz vein which cuts hornfelsed siltstone of the Hoodoo Formation at this site (Angeloni and others, 1985). The width of the vein is unknown. The sample of vein material ran 200 ppm antimony, >10,000 ppm arsenic, 1,500 ppm copper, 1,500 ppm lead, 150 ppm silver; and >10,000 ppm zinc.
Workings: Rock sample (83AWs 57) of vein material collected by the U.S. Geological Survey contained 200 ppm antimony, >10,000 ppm arsenic, 1,500 ppm copper, 1,500 ppm lead, 150 ppm silver, and >10,000 ppm zinc.
Age: Tertiary?

Commodities (Major) - Ag, Cu, Pb, Zn; (Minor) - As, Sb
Development Status: None
Deposit Model: Polymetallic vein (Cox and Singer, 1986; model 22c)

Other Databases

Link to USGS - Alaska:	CG013

Other Regions, Features and Areas containing this locality

References