Monthly Archives: June 2022

Grand Canyon Volcanoes

When most of us think about the impressive geology of the Grand Canyon, our focus is on the ancient rocks. Within the past 1 million years, however, volcanoes have created striking displays in the canyon. Hot lava often flowed down the Colorado River channel for tens of miles; other times, it dammed the river, impounding water behind dams that eventually breached, sometimes releasing catastrophic floods.

By |2022-08-27T06:48:14-07:00June 16th, 2022|Our Amazing Earth|11 Comments
Go to Top