Grand Canyon Volcanoes

Republished from https://roseannechambers.com, with kind permission by the author. It is a blog we happily recommend to our readers! In the recent geologic history of the Grand Canyon, volcanoes erupted in the Colorado River channel and on the rim, pouring lava over the canyon walls. Hot lava often flowed down the river channel for tens…

Sands of time: walking the Grand Canyon

The Earth is like a box of chocolates. You never know what you’re going to get. A long time ago, the local council put in new sewage pipes in the town where I grew up. The smell was overwhelming. Normally, a smell of coffee would permeate the town whenever the wind went northwest: the main…