Newberry Caldera from the summit of Paulina Peak

The summit caldera of Newberry Volcano, Newberry National Volcanic Monument, Oregon.
The 1,350 year-old Big Obsidian Flow is located in the lower right quadrant.

Oregon 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 Oregon obsidian reference list

SOURCE NAME (CHEMICAL GROUP) OTHER NAME(S)
Bald Butte --
Barren Valley --
Bear Creek --
Beatys Butte Beaty's Butte
Beatty's Butte
Beatys Butte B --
Beaver Mountain Dooley Mountain
Indian Creek 2
Big Bend --
Big Obsidian Flow Chemical Group Big Obsidian Flow
Buried Obsidian Flow
Newberry Caldera
Big Stick --
Blowfly Spring --
Borax Works Borax Lake
Brooks Canyon --
Browder Ridge Vitrophyre --
Buck Spring Delintment Lake
Harney Lake
Horsehead Mountain
Jack Creek
Jackass Canyon
Juniper Spring
Nicoll Creek
Orejana Canyon
Palamino Buttes
Plumber Spring
Rattlesnake Formation
Rough Creek
Sawmill Creek
Venator Canyon
Buena Vista Overlook Buena Vista
Bull Lake --
Burns Burns Butte
Hines
Radar Hill
Skull Creek
Wright's Point
Burnt Mountain Burnt Mountain #2
Butte Creek Unknown 6
Camp Creek --
Carlon (Bald Butte) Bald Butte
Carver Flow Carver
Demaris Lake
Ludwig Quarry
Squaw Creek
Unknown B
Chickahominy --
China Hat --
China Lake --
Clackamas River Mill Creek Buttes
Unknown C
Coglan Buttes --
Cold Point Badger Creek Wilderness
Cougar Mountain --
Coyote Wells Buckboard Reservoir
Mesa Reservoir
Riley Mimic
Coyote Wells East --
Crazy Creek --
Crooked Creek --
Curtis Creek Group 2
Unknown 2 (at Indian Grade Spring Site)
Deep Canyon Vitrophre --
Deer Creek Burn Butte
Delintment Lake Holmes Canyon
Orejana Canyon B
Plumber Spring
Rattlesnake Formation
Wright's Point
Devil Point Devil Ridge
Devils Peak
Grizzly Creek
Devils Overlook --
Diatomite Reservoir --
Dog Hill --
Double O --
Drews Creek/Butcher Flat --
Duncan Creek --
East Butte --
East Lake Fissure --
Ebell Creek Baker
Dooley Mountain
Eldorado --
Glass Buttes 1 Glass Buttes
Glass Buttes A
Glass Buttes 2 Glass Buttes B
Glass Buttes 3 Glass Buttes C
Juniper Spring, Variety 1
Little Glass Butte
Glass Buttes 4 Glass Buttes D
Sand Flat
Glass Buttes 5 Glass Buttes E
Potato Hills
Wise Flat
Glass Buttes 6 Glass Buttes F
Little Glass Butte
Glass Buttes 7 Juniper Spring, Variety 2
Midnight Ridge
Glass Buttes 8 --
Glass Buttes 9 --
Grassy Mountain --
Gregory Creek Jonesboro
Sugarloaf Butte
Guyer Creek --
Hager Mountain Auger Creek
Frog Mountain
Hart Mountain --
Hawks Valley --
Horse Mountain A Poverty Flat
Poverty Basin
Horse Mountain B --
Hurley Spring Hurley Creek? (unverified)
Indian Creek Baker
Dooley Mountain
Indian Creek Buttes Petroglyphs
Indian Creek Buttes Variety B --
Inman Creek A Bill's Creek
Eagle Creek
Fern Ridge
Inman
Long Tom
Petite Creek
Pleasant Hill
Salt Creek
Staley Creek
Siuslaw River
Willamette River Gravels
Inman Creek B Bill's Creek
Eagle Creek
Fern Ridge
Inman
Long Tom
Mt. David Douglas
Petite Creek
Pleasant Hill
Siuslaw River
Staley Creek
Unknown D
Willamette River Gravels
John Day Formation Ash-Flows --
Jordan Creek --
Kelsay Creek --
Klamath Marsh 1 --
Klamath Marsh 2 --
Lemiti Creek --
Little Garden --
Logan Valley --
Lowell Vitrophyre Upper Winberry Creek
Winberry Creek
Malheur Gap --
Massacre Lake/Guano Valley (Oregon and Nevada) Borax Works C
Guano Slough
Guano Valley
McComb Butte --
New Era --
McKay Butte, Newberry Volcano --
Mud Ridge Skull Creek
Mutton Mountains --
Newberry Volcano Central Pumice Cone Flow
East Lake Flows
Game Hut Flow
Interlake Flow (Inter Lake,North Flow,T Flow)
Little Obsidian Flow
Newberry Caldera
Newell Creek --
Obsidian Cliffs McKenzie River Gravels
North Sister
Three Sisters
Willamette River Gravels
Owyhee (Oregon and Idaho) Grassy Mountain A
Parsnip Creek --
Paulina Peak --
Poison Creek --
Quartz Mountain Dry Butte
Rogers Butte
Quartz Mountain B --
Rhododendron Ridge Rho Ridge
Riley East of Squaw Butte
Glass Mountain
Reily
Riley Quarry
Silver Creek
Rimrock Spring Skull Creek
Wright's Point
Rock Mesa South Sister
Round Top Butte --
Silver Lake/Sycan Marsh Carlon Ranch
Long Creek
Silver Lake
Sycan Marsh
Yamsay Mountain
Skull Springs Skull Spring
Sourdough Mountain --
South Creek --
South Sister Dome Chain --
Spodue Mountain Black Hills
Sprague River
West Horton
Squaw Mountain --
Squaw Ridge Fort Rock
Hoona Ridge [Renamed by the Forest Service in 2005]
Squaw Butte
Surveyor Spring Rock Creek (CA)
Surveyor Springs
Twelvemile Canyon
Sutton Mountain --
Tank Creek --
Tough Butte Whiskey Hills
Tucker Hill --
Tule Spring Group 1
Unknown 1 (at Indian Grade Spring Site)
Tumalo Creek Tam McArthur Rim
Unknown X --
Upper Gap Lake --
Van Gulch --
Variety 5 --
Venator Horseshoe Bend
Shumway Ridge
Wagontire Egli Ridge
Egli Waterhole
Horseshoe Bar
Variety 17
Whitehorse/Double H Ankle Creek
Bretz Mine
Whitehorse Ranch
Whitewater Ridge Bear Valley
Foster Spring
John Day
Juniper Spring, Variety 1
Juniper Spring, Variety 2
Little Bear Creek
Parish Cabin Campground
Seneca
Whitewater Spring
Whitewater Spring 2
Wildcat Basin, Malheur National Forest --
Wildcat Creek --
Winter Ridge White Rock
Witham Creek School Creek
Wolf Creek Drewsey
Glass Mountain
Horseshoe Bend
Whitewater Spring 1
Yreka Butte --

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Last Updated: 07/01/2009