Columbia River Gorge at Ginko Fossil Forest State Park
View of the Columbia River Gorge north of the Ginkgo Petrified Forest visitor center. The boulder in the foreground is a vesicular basalt (lava rock filled with gas bubbles that formed when the rock was still in a molten state).
Next Image Return to Main Page
The URL is: https://gotbooks.miracosta.edu/gonp/grandcoulee/html/gc679.htm
Last modified: 1/5/2011