Central Appalachian Mafic Nonvascular Cliff / Boulderfield – CEGL004143

Nonvascular boulderfield of mafic metamorphic rocks are rare in Virginia.  Because these rocks are less resistant to weathering than quartzite, most mafic boulderfields occur at high elevations of the Blue Ridge, where metabasalt strata are thickest and climatic stresses greatest.  Near Franklin Cliffs, Page County, Shenandoah National Park.