Sand Dunes on Hawaii's Big Island? Random Roadcuts #29

Learn to "READ" the rocks with this innovative video series designed to help you learn geology. Join geology professor Shawn Willsey and investigate a random roadcut, make observations, and formulate basic interpretations. Here in Episode #29, we investigate an interesting roadcut on Old Saddle Road on Hawaii's Big Island. GPS Location: 19.83457, -155.63936

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