UNITED STATES AND CANADA OBSIDIAN SOURCE CATALOG

Obsidian outcrops at the Wild Horse Canyon source, Mineral Mountains, Utah. Photo courtesy of Joe Moore.

Utah Obsidian Sources

SOURCE NAME: Most commonly-used name for the geochemical source
OTHER NAMES: Alternate names or names of source outcrops belonging to same geochemical source group
Click on the PDF link for an Adobe Acrobat document with additional source information.

UTAH SOURCE MAP | U.S. SOURCE MAPS INDEX

SOURCE NAME (CHEMICAL GROUP) OTHER NAME(S) PDF
Black Mountain --
PDF
Black Rock Area Black Rock
Coyote Hills
South Twin Peak
White Mountain
PDF
Browns Bench (Utah, Nevada, and Idaho) Goose Creek
NEVADA
Ferguson Wash (Utah and Nevada) Dead Cedar Wash
Ferguson Flat
PDF
Marysvale --
PDF
Modena (Utah and Nevada) Dry Valley
Panaca
Panaca Summit
Piñon Point
See Nevada source list
PDF
Phonolite Hill --
PDF
Pumice Hole Mine [Mineral Mountains] Mineral Mountains
Mineral Mountain Range
PDF
Pumice Hole Mine B [Mineral Mountains] --
PDF
Pyramid Peak Vitrophyre [Dugway Proving Ground] --
PDF
Topaz Mountain Thomas Range
PDF
White Mountain --
PDF
Wildcat Hills --
PDF
Wild Horse Canyon [Mineral Mountains] Mineral Mountains
Mineral Mountain Range
Negro Mag
Negro Mag Wash
Ranch Canyon
Schoo Mine
School Mine (misspelling)
Wildhorse Canyon
PDF

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Last Updated: 01/01/2026