Index No: NBM053950; Collected By: ; Sample Type: hand sample (missing); Notes: Rock-chip sample of quartz ledge material. Quartz +/- alunite-replaced Trc? Abundant limonite and jarosite? Iron-oxide probably after disseminations and fracture coatings of pyrite. Dense, but locally well developed "vuggy silica" texture. Sample is from W margin of quartz ledge holding up the entire ridge. Weiss 11/14/95