View Of The Grand Canyon Of The Yellowstone River
by Science Photo Library
Title
View Of The Grand Canyon Of The Yellowstone River
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Grand Canyon of the Yellowstone River. View of the Grand Canyon of the Yellowstone River, Yellowstone National Park, Wyoming, USA. This canyon is the result of volcanic activity in the area around 600,000 years ago. Volcanic eruptions in the region sent lava flows through what is now the Grand Canyon of the Yellowstone River. The flows cooled, but geothermal activity within the laval rock weakened it and made it susceptible to erosion. Floods of water and glacial debris eroded the rock. The canyon's present form dates from 10,000 years ago when the last glaciers in this region melted. The canyon is 32km long, over 1km across and up to 360m deep.
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September 16th, 2018
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