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Unnamed Prospects (ARDF - SP034; northeast of Avaraart Lake), Shungnak District, Northwest Arctic Borough, Alaska, USA

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Location: This site represents several prospects in about a 3-square-mile area, approximately 7 miles northeast of Avaraart Lake. The coordinates are for the center of the area, at the intersection of sections 14, 15, 22, and 23, T. 20 N., R. 15 E., of the Kateel River Meridian. Accuracy of location is 2000 ft. The site corresponds to locality 62 of Grybeck and Nelson (1981).
Geology: These prospects explore a silver-basemetal volcanogenic massive sulfide deposit in a sequence of low to medium grade metamorphosed basaltic and rhyolitic rocks, submarine ash flow tuffs, and pelitic and carbonaceous sedimentary rocks known as the Ambler schist belt. The deposit is a Devonian or Mississippian in age, based on fossil evidence and U-Pb radiometric dating in the region (Hitzman and others, 1986). Rocks are commonly iron stained in the area. The deposit has been explored by numerous prospect pits and surface mapping.
Workings: Numerous prospect pits and surface mapping.
Age: Syngenetic massive sulfide in Devonian or Mississippian host rocks.
Alteration: Rocks in area commonly are iron stained.

Commodities (Major) - Ag, Cu, Pb, Zn
Development Status: None
Deposit Model: Kuroko massive sulfide (Cox and Singer, 1986; model 28a)

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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

Grybeck, D.J., and Nelson, S.W., 1981, Mineral deposit map of the Survey Pass quadrangle, Brooks Range, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1176-F, 1 sheet, scale 1:250,000. Hitzman, M.W., Profett, J.M., Jr., Schmidt, J.M., and Smith, T.E., 1986, Geology and mineralization of the Ambler district, northwestern Alaska: Economic Geology, v. 81, p. 1592-1618.

 
Mineral and/or Locality  
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