Lava shaped Lake Tahoe

With its preternaturally clear blue waters, Lake Tahoe is tranquil today, but the deep lake straddling the border of California and Nevada was once the site of repeated lava flows. In a new study, researchers used radiometric argon dating to describe how episodes of volcanism created the landscape around the largest alpine lake in North America.

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Mary Caperton Morton

Mary Caperton Morton

Morton (https://theblondecoyote.com/) is a freelance science and travel writer based in Big Sky, Mont., and an EARTH roving correspondent.  

Monday, May 21, 2018 - 06:00