Geology of the Appalachians
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The geology of the Appalachians dates back more than 1.2 billion years to the Mesoproterozoic era when two continental cratons collided to form the supercontinent Rodinia. The rocks exposed in today's
Looking Glass Rock from the Art Loeb Trail.
The "Pennsylvania Salient" in the Appalachians appears to have been formed by a large, dense block of mafic volcanic rocks that became a barrier and forced the mountains to push up around it. 2012 image from NASA's Aqua satellite.
Looking Glass Rock
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Looking Glass Rock is a pluton monolith in the Appalachian Mountains of western North Carolina, United States.
Geology of the Appalachians
…Looking Glass Rock from the Art Loeb Trail. The geology of the Appalachians dates back more than 1.2 billion years to the Mesoproterozoic era when two continental cratons…
Looking Glass Rock
Looking Glass Rock in the rain
Panorama taken from Looking Glass Rock, 2013