Head out with geology professor Shawn Willsey as he investigates the spectacular geology of the remote Henry Mountains and nearby Trachyte Mesa in southern Utah. Learn how a shallow magma body created these mountains and drastically altered the surrounding sequence of sedimentary rocks.

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Shawn Willsey
College of Southern Idaho
315 Falls Avenue
Twin Falls, ID 83303

Approximate GPS Location: 37.94236, 110.58613