UNITED STATES AND CANADA OBSIDIAN SOURCE CATALOG

Mono Craters, a late Holocene alignment of obsidian flows and domes in the Mono Basin of eastern California

California 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.

CALIFORNIA SOURCE MAP | U.S. SOURCE MAPS INDEX


SOURCE NAME (CHEMICAL GROUP) OTHER NAME(S) PDF
Annadel, North Coast Ranges Annadel Farms
Annadel State Park
PDF
Blue Mountain Steel Swamp
Steele Swamp
PDF
Blue Spring, Warner Mountains Sugar Hill Switchback
PDF
Bodie Hills Pine Grove Hills (Nevada)
PDF
Borax Lake, North Coast Ranges --
PDF
Bristol Mountains Amboy Crater
Bagdad
PDF
Buck Mountain, Warner Mountains Davis Creek
Lassen Creek
Lodgepole
Middle Fork
Needle Grass Spring Junction
Nelson Quarry
North Fork
Pink Lady
Tick Rise
PDF
Burdell Mountain, North Coast Ranges --
--
Callahan, Medicine Lake Highlands Callahan Flow
PDF
Casa Diablo (Lookout Mountain) Casa Diablo
Lookout Mountain
PDF
Casa Diablo (Prospect Ridge) Casa Diablo
Hot Creek
Prospect Ridge
PDF
Casa Diablo (Sawmill Ridge) Casa Diablo
Sawmill Ridge
PDF
Chalk Spring Junction --
--
China Lake Unknown A Unknown 1
--
Coso (Joshua Ridge) Coso
Coso Volcanic Field
Joshua Ridge
Joshua Ridge, Coso Volcanic Field
PDF
Coso (Sugarloaf Mountain) Coso
Coso Volcanic Field
Sugarloaf
Sugarloaf Mountain
Sugarloaf Mountain, Coso Volcanic Field
PDF
Coso (West Cactus Peak) Coso
Coso Volcanic Field
West Cactus Peak
West Cactus Peak, Coso Volcanic Field
PDF
Coso: West Sugarloaf Coso Coso Volcanic Field
West Sugarloaf
West Sugarloaf, Coso Volcanic Field
PDF
Cougar Butte, Medicine Lake Highlands --
PDF
Cowhead Lake, Warner Mountains Bidwell Mountain
Bidwell Mountain (Cowhead Lake)
Eightmile Creek
Schadler Ditch
PDF
Crater Glass Flows Grouse Hill
--
Del Prat Spring, Warner Mountains --
PDF
East Glass Mountain, Medicine Lake Highlands --
--
East Medicine Lake, Medicine Lake Highlands GF/LIW, Med. Lake Highland
Stoney Rhyolite Core
Yellowjacket
See Grasshopper Group
PDF
Emerald Mountain Unverified source from Ericson et al. (1976)
--
Fish Springs --
--
Franz Valley, North Coast Ranges --
PDF
Fredonyer Peak --
--
GF/LIW/RS, Medicine Lake Highlands GF/LIW, Med. Lake Highland
Grasshopper Flat
Lost Iron Well (Glittering Mountain)
Red Switchback
See Grasshopper Group
PDF
Glass Mountain Chemical Group, Medicine Lake Highlands Crater Glass Flow
Glass Flow (USGS map)
Glass Mountain
Glass Mountain North
Glass Mountain South
Grouse Hill
Little Glass Mountain
PDF
Grasshopper Group Chemical Group East Medicine Lake
GF/LIW/RS (Grasshopper Flat, Lost Iron Well, Red Switchback)
GF/LIW/RS/East Medicine Lake
PDF
Grimes Canyon Fused Shale --
PDF
Hackberry Mountain --
--
Harris Flat, Warner Mountains --
PDF
Jawbone Canyon Unverified source from Ericson et al. (1976)
--
Jess Valley, Warner Mountains --
--
Kelly Mountain Mosquito Springs
--
Levitt Peak Unverified source from Ericson et al. (1976)
--
Logo --
--
Los Guilicos A, North Coast Ranges Guilicos A
Oakmont
--
Los Guilicos B, North Coast Ranges Guilicos B
Oakmont
--
Medicine Lake Glass Flow --
--
Monache Meadows Unverified source from Ericson et al. (1976)
--
Mono Craters Panum Crater
PDF
Mono Glass Mountain Glass Mountain
PDF
Mt. Konocti, North Coast Ranges --
PDF
Napa Valley, North Coast Ranges Blossom Creek
Crystal Summit
Meg's Crown
Napa Glass Mountain
PDF
Obsidian Butte Salton Sea
PDF
Obsidian Dome, Inyo Craters --
--
Queen (California and Nevada) Benton Valley
Truman
Truman Canyon
Truman Meadows
West Queen Mine
PDF
Railroad Grade, Medicine Lake Highlands --
PDF
Rainbow Mines, Warner Mountains Lassen Creek
Rainbow Mine
PDF
Resting Spring Range Vitrophyre Resting Spring Range, CA
Shoshone
--
Saline Range Variety 1 (Queen Impostor) Dry Mountain
Queen Impostor
Saline Valley 1
--
Saline Range Variety 2 Dry Mountain
Saline Valley 2
--
Saline Range Variety 3 Dry Mountain
Saline Range (Variety 3)
Saline Valley
Saline Valley 3
--
South Warners, Warner Mountains Alaska Canyon
Dodge Reservoir
Sworinger Basin
PDF
Sugar Hill, Warner Mountains Junction
North Cottonwood Flat
Sugarhill
Upper Ross
PDF
Trinity, North Coast Ranges --
--
Tuscan (Cow Creek) Tuscan: Backbone Ridge-Cow Creek
Backbone Ridge
Cow Creek
Source X
Tuscan
PDF
Tuscan (Paradise Ridge) Paradise Ridge 1-2
Tuscan
PDF
Tuscan (Paynes Creek-Inks Creek) Paynes Creek
Tuscan
PDF

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Last Updated: 07/29/2017