Columbia GorgeLava Plateaus and

Missoula Floods

Between 17 and 12 mya

Volume of lava plateau as compared to Mauna Loa

http://www.ce.washington.edu/~liquefaction/html/main.html

Gladstone’s Latitude and Longitude:

45, 22’N/122, 35’W

Review of Columbia Gorge Structures

• http://hugefloods.com/Basalt.html video clips

• http://www.youtube.com/watch?v=5G8W9sZtBTM

• http://oceanexplorer.noaa.gov/explorations/04fire/background/volcanism/media/pillow_lava_video.html

• http://www.youtube.com/watch?v=xsJn8izcKtg pillow lava clip

• http://hugefloods.com/Video.html melon gravel