Race Track in Death Valley (9112)

Moving rock at the race track in Death Valley. These rocks somehow manage to move and score the playa of the valley floor.

 

For more information:

 

jonsullivan.com/racetrack.php

 

geology.com/articles/racetrack-playa-sliding-rocks.shtml

 

www.nature.nps.gov/geology/usgsnps/deva/ftrac1.html

 

Done