VeinAg.Au, ba,Cu, Qz fissure vein 6-30 in. wide has Pb.Zn 2-8 in. of solid sulfides, including si, gn, py, cp, td, a little aspy; ba also present. Country rock is graywacke and argillite cut by qz diorite dike. Sample of gn ore reported to have assayed 1.28 oz Au per ton, 5.96 oz Ag per ton, 55. 2% Pb, and 2.2X Cu. See also Marietta; may be the same
These tables briefly describe known deposits and principal occurrences of metallic and certain nonmetallic mineral commodities in the Petersburg and eastern Port Alexander quadrangles of southeastern Alaska. The tables and accompanying map are a progress report of an interdisciplinary geologic mapping and mineral resource appraisal investigation now underway by the U.S. Geological Survey in that area. The purpose of this report is to provide a background of current and historic mineral deposit data that ultimately will be integrated with other geological, geochemical, and geophysical data for the resource assessment. 56° 50 }3°02 location approx.
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