Geologic story behind the rock layers below the Perrine Bridge, near Twin Falls, in southern Idaho
Join geology professor Shawn Willsey as he takes you into the Snake River Canyon for an up close investigation of the distinct rock layers and their fascinating geologic story. Here we will explore the rocks below the iconic Perrine Bridge, near the town of Twin Falls, and its scenic canyon overlook and visitor center. These rocks start with the story of the Yellowstone volcano when it resided in the Twin Falls region and culminates with recent eruptions of fluid lava from local volcanoes. You can learn more about southern Idaho geology by purchasing Geology Underfoot in Southern Idaho and Roadside Geology of Idaho. Both available locally or on Amazon. Approximate GPS location: 42.60194, -114.45361

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