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Global Volcanism Program | Image GVP-01225

The walls of Tiwu Nua Muri Kooh Tai, the middle of Kelimutu's three crater lakes, expose bedded hydrothermally altered rocks. Tiwu Ata Polo, the darker-colored crater lake to the SE, is visible beyond the far wall. Constant upwelling occurs at these two lakes, probably as a result of subaqueous fumaroles, directing floating sulfur in Tiwu Nua Muri Kooh Tai toward the crater walls. Photo by L.D. Reksowirogo, 1972 (Volcanological Survey of Indonesia).

The walls of Tiwu Nua Muri Kooh Tai, the middle of Kelimutu's three crater lakes, expose bedded hydrothermally altered rocks. Tiwu Ata Polo, the darker-colored crater lake to the SE, is visible beyond the far wall. Constant upwelling occurs at these two lakes, probably as a result of subaqueous fumaroles, directing floating sulfur in Tiwu Nua Muri Kooh Tai toward the crater walls.

Photo by L.D. Reksowirogo, 1972 (Volcanological Survey of Indonesia).

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Galleries: Craters

Keywords: crater | crater lake | stratigraphy


Kelimutu