Friday Photo (20) - Ol Doinyo Lengai

TANZANIA: Ol Doinyo Lengai From the EGU Open Access Image Repository, the Ol Doinyo Lengai volcano in Tanzania is special and unique due it being the only active volcano to produce natrocarbonatite lava, rather than the common silicate lavas.
Source: Julie Albaric , Domaines Oceaniques/CNRS - France