TIL That the Olympic Peninsula Used to be an ancient island called Siletzia that collided with North America. It was born from the same hot spot that is today the Yellowstone Super Volcano. (www.youtube.com)

submitted 1 year ago* (last edited 1 year ago) by jocose@kbin.social to c/washington@kbin.social

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Even though there are no volcanoes on the Olympic Peninsula, you can find lots of volcanic rocks on the beaches. This bizarre circumstance might have to do with how the ancient island transformed Washington state.

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this post was submitted on 20 Jul 2023

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