Index No: NBM052760; Collected By: ; Sample Type: hand sample; Notes: Location is adjacent to Cactus Nevada (Fairday) mine. Dump sample from shaft inclined 80�W. Vein quartz on dump with pyrite the only sulfide seen. Quartz is glassy to gray, some replacement of tuff. Shaft bottoms in pyritic, propylitized tuff. Rock type: Antelope Springs Tuff. Alteration: silicification, bleaching.