Rhyolite is an igneous rock. The structures are referred to as columnar jointing. Viewed fromSnake River in Hells Canyon National Recreation Area.

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Rhyolite is an igneous rock. The structures are referred to as columnar jointing. Viewed from the Snake River in Hells Canyon National Recreation Area, with one side of the river Idaho and the other side Oregon.

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Size: 3498px × 5246px
Location: Hells Canyon National Recreation Area, Washington, USA
Photo credit: © Janet Horton / Alamy / Afripics
License: Royalty Free
Model Released: No

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