(pronounced: gray-wak-ee) rock by seeping water. Graywacke is a type of sandstone made up primarily of sand-sized rock grains, it is common in the southern Appalachian mountains.
, a metamorphic rock formed from granite, note the stripes of the layers. This ancient rock is not found in many parts of Tennessee.
This Rockslide is located near the Sinks in the Smoky Mountains. I was standing at the base of it when I took this photo.
