Global Volcanism Program | Image GVP-06484
Reddish scoria and ash forms the surface of the Ulug-Arginsky scoria cone, located about 200 km WNW of the SW tip of Lake Baikal. The red color is from oxidation when the clasts were erupted at high temperatures.
Photo by Sergei Arzhannikov, 1997 (Siberian Branch, USSR Academy of Sciences).
This image is made available under the Creative Commons BY-NC 4.0 license terms.
Keywords: scoria cone