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Tephra / Petrology / Igneous rocks / John Day Formation / John Day Fossil Beds National Monument / Yellowstone hotspot / Tuff / Ochoco Mountains / Pyroclastic rock / Geology / Volcanic rocks / Volcanology


Geology of John Day Fossil Beds National Park Service U.S. Department of the Interior John Day Fossil Beds National Monument
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Document Date: 2013-06-02 18:11:01

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File Size: 1,26 MB

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City

Prineville / /

Continent

AMERICA / /

Event

Natural Disaster / Environmental Issue / /

NaturalFeature

Hills Clarno Tower Mtn / Tower Mountain / Picture Gorge Basalts Picture Gorge / Painted Hills / Wildcat Mountain / Ochoco Mountains / Crooked River / Gorge Basalts Ochoco Mtns Sheep Rock Rattlesnake Ignimbrite / /

Organization

National Park Service U.S. Department of the Interior / /

Person

Rattlesnake Ashflow Tuff / Rattlesnake Fm / Sheep Rock / /

ProvinceOrState

Nevada / Oregon / /

Region

western North America / eastern Oregon / central Oregon / /

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