Sources of obsidian in Hogup and Danger Caves
book chapter 1970 Condie, Kent C. & Blaxland, Alan B.

Early Desert ArchaicNorth America > Southwest and Basin
Condie and Blaxland examined the obsidian from projectile points and flakes from all stratigraphic levels from both Danger and Hogup Caves for the trace elements Rb, Zr, and Sr. Although they do not know the specific source of the obsidian from eithe...