Scoria High Resolution Stock Photography and Images - Alamy
The red scoria quarry at Puna Pau on the outskirts of Hanga Roa, Rapa Nui National Park, UN, Easter Island, Chile. ID: E4A6WT (RF) March 23, 2013 - Gas and ash stream from multiple craters on Sicily's Mount Etna. Dark lava, ash, cinders, and scoria (dense vol.