The volcanic origin of these mountains is evidenced by the numerous hot springs and rivulets in the area, as well as red volcanic rhyolite stone the mountains are composed of.
The volcanic origin of these mountains is evidenced by the numerous hot springs in the area, as well as red volcanic rhyolite stone. The volcanic origin of these mountains is evidenced by rivulets in the area, as well as red volcanic rhyolite stone. The mountains are composed of red volcanic rhyolite stone.