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Pillow Lavas

Columbia River Basalt flow

Hwy 197, near The Dalles, Oregon

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Columbia River Basalt flow
Columbia River Basalt flow

Pillow Structure CRB lava flow Pillow Lavas pillow structure
Pillow Lavas  pillow lavas
Pillow Lavas Lava Pillow

Pillow structure forms when mafic lavas flow into water.

Go to First Pillow Lava Picture

Go to CVO Website - Columbia River Basalt Group (CRBG)
Go to USGS Photo Glossary: Pillow lava
Go to LCC Columnar Basalt Pictures Web Page
Go to LCC Earth Sciences LINKS Page

CLICK on the colored links above to go to those LCC Web Pages.
LCC Pillow Lavas Images Index Page 03-26-04
Image by David Cordero