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Salmon Bay, Prince of Wales Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA

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Short, irregular, and lenticular veins of radioactive carbonate-hematite crop out along the coast for about 13 km (8 mi). Some veins can be traced for more than 91 m (300 ft) between the low-tide line and forest cover. The veins cut the Salmon Bay greywacke, a thick formation of Silurian age. On average, the veins are 5–8 cm (2–3 inches) wide, though they normal range from less than 2 cm (1 in.) to as much as 0.76 meters (2.5 feet). A few veins reach 1.5–3 meters (5 to 10 feet) in width.

Mineral List



23 entries listed. 15 valid minerals.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

USGS Open File report 2010-5220 (2010).

Mineral and/or Locality  
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