Distribution map of Utah obsidian sources (from Nelson 1984) Utah Obsidian Sources SOURCE NAME: Most commonly-used source name for the geochemical source OTHER NAMES: Alternate names or names of source outcrops belonging to same geochemical source group Click on active SOURCE NAME links below for additional available information Click HERE for Utah obsidian reference list SOURCE NAME (CHEMICAL GROUP) OTHER NAME(S) Black Rock Desert Area White Mountain Black Mountain -- Ferguson Wash (Utah and Nevada) Dead Cedar Wash Ferguson Flat Marysvale -- Modena Dry Valley Panaca Summit Piñon Point See Nevada source list Pumice Hole Mine Mineral Mountain Range Topaz Mountain -- White Mountain -- Wildcat Hills -- Wild Horse Canyon Mineral Mountain Range Negro Mag Negro Mag Wash Ranch Canyon Schoo Mine School Mine (misspelling) Wildhorse Canyon Back to U. S. OBSIDIAN SOURCE CATALOG HOME PAGE Back to NORTHWEST RESEARCH OBSIDIAN STUDIES LABORATORY Last Updated: 02/26/2008