Boulder Fields and Rock Hammers

Seventh graders explored Bucks County geology with visits to Ringing Rocks County Park and Lost River Caverns. There's nothing like putting "boulder field" and "rock hammer" in the same sentence to guarantee fun for middle schoolers! Students explored the diabase boulders, many of which "ring" when struck with a hammer. Students then hiked to the waterfall made of hornfels, a rock that was originally sedimentary but was morphed by the diabase magma that intruded about 200 million years ago. For the second part of the day, we journeyed to Lost River Caverns, a limestone cave in nearby Hellertown. The cave's geology gives evidence of a massive ocean that once covered much of North America. Our fossil trip to Deer Lake next week will provide even more support!