Sailing stones of Death Valley mystery solved

Sailing stones, also called sliding rocks and moving rocks, refer to a geological phenomenon where rocks move and inscribe long tracks along a smooth valley floor without human or animal intervention. The engraved trails of rocks on the nearly flat, dry mud surface have been observed since 1940s and studied in various locations, including Little Bonnie Claire Playa in Nevada, and most notably Racetrack Playa, Death Valley National Park, California.Rock movement has been variously attributed to high winds, liquid water, ice, or ice flotation, but has not been previously observed in action – until now.In a paper published in the journal PLOS ONE on August 27, a team led by Scripps Institution of Oceanography, UC San Diego, paleobiologist… »

Source: Solar News

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