


The Exotic Mixed-Up Bedrock of San Juan Island
Geologist Nick Zentner, Senior Geology Lecturer, Central Washington University, leads viewers on adventures through WA's diverse landscapes, from massive lava flows and the planet's biggest Ice Age waterfall to wandering mountains and a flank of Mt. Rainier that traveled to Tacoma. Special thanks to CWU as the original creator and collaborator for Nick on the Rocks.
The Exotic Mixed-Up Bedrock of San Juan Island
Season 7 Episode 6 | 8m 5s | CC
An old oceanic island, a deep-ocean magma chamber and an ancient batholith have all been pushed together to form the base of scenic San Juan Island. All around the island is evidence of volcanic activity that went down far off in the Pacific Ocean – including signs of an ancient coral reef!
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