Index No: NBM057080; Collected By: ; Sample Type: hand sample; Notes: Welded ash-flow tuff, lithic-rich, less altered than tuff at site 5707; cut by small hydrofrac breccias, some clots altered rock in the tuff; breccia veinlets filled with dark silica and hematite, minor manganese-oxide and iron-oxide staining. Sample from roadcut about 100 meters north of 5707