Contact: Kea Giles
Geological Society of America
Caption: Projectile point (height ~25 mm) made from Obsidian Butte obsidian, collected west of Palomar Mountain in northern San Diego County (SDI-615), California, USA, and attributed to the Luiseņo cultural territory. Sample courtesy Fowler Museum at UCLA (archaeology collection no. 217-4). Photo credit: Janet C. Harvey (see Schmitt et al., http://dx.doi.org/10.1130/G33634.1).
Credit: Photo credit: Janet C. Harvey
Usage Restrictions: Credit to author of paper and to photographer
Related news release: From the Alps to the Deep Mantle