Tanzania Geological Society
@t-gs.bsky.social
The Tanzania Geological Society (TGS) is a nonprofit professional organization of geoscientists in Tanzania.
Did you know Tanzania is home to the world’s only active carbonatite volcano — Ol Doinyo Lengai?
Unlike most volcanoes that erupt silicate lavas, Ol Doinyo Lengai erupts sodium-rich carbonatite lava that turns white when it cools — a true geological wonder active nowhere else on Earth.
Unlike most volcanoes that erupt silicate lavas, Ol Doinyo Lengai erupts sodium-rich carbonatite lava that turns white when it cools — a true geological wonder active nowhere else on Earth.
October 13, 2025 at 5:22 PM
Did you know Tanzania is home to the world’s only active carbonatite volcano — Ol Doinyo Lengai?
Unlike most volcanoes that erupt silicate lavas, Ol Doinyo Lengai erupts sodium-rich carbonatite lava that turns white when it cools — a true geological wonder active nowhere else on Earth.
Unlike most volcanoes that erupt silicate lavas, Ol Doinyo Lengai erupts sodium-rich carbonatite lava that turns white when it cools — a true geological wonder active nowhere else on Earth.