29 September 2014

Charnockite at Swift Run Gap

Posted by Callan Bentley

Over the weekend, I ran a 1-credit field course for NOVA, on the geology of Shenandoah National Park. I was about eight minutes early getting to the meet-up location, so that allowed me to check out a promising new outcrop of rock along the road (route 33, ~100 m west of Swift Run Gap). Here are two photos of it: charnockite (pyroxene-bearing granitoid or meta-granitoid), with weak foliation:



This is what my free-time geologizing has been reduced to: squeezed in to a few spare minutes here, a few spare minutes next week. No time for any more than that…