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Image of the Week: March 21 - 27, 2004

Pillow Basalt

Columbia River Basalt Group

The Dalles, Oregon

Pillow Basalt, Columbia River Basalt

Pillows indicate lava flowed into water

These pillows are Miocene in age, about 16 million years old

Image of the Week Archive
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Image of the Week Archive A-Z (Index)
Go to LCC Pillow Lava Image Index, with many links

Go to USGS Photo Glossary: Pillow lava

More information about GEOLOGY can be found on the links at
LCC Geology LINKS Page

Go to
Go to Geology of the Columbia River Gorge USFS and PSU
Go to Geologic History of the Columbia River Gorge - CVO
Go to Geologic Story of the Columbia Basin - BPA
Go to
Go to Alternate pictures of the week, from Mars!
Go to
Go to LCC Home Page
Go to LCC Natural Sciences Home Page

CLICK on the colored links above to go to those LCC Web Pages.
LCC Image of the Week 12-02-04
David Cordero