Curious about some rocks you found? Confused about tuff, sandstone, basalt, and diorite? Geology professor Shawn Willsey launches a new video series on how to identify rocks. We will cover each major group of rocks, showcasing basic types, to help you properly ID your rocks and also interpret their fascinating stories. In this video, we cover the rock cycle, the three main groups, and some helpful tips and tricks for making good observations and interpretations with your rock samples.

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Shawn Willsey
College of Southern Idaho
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Twin Falls, ID 83303