Thematic: Geo-Archeo-Anthropology Ambarita, dacitic lava dome Sipalaka Siallagan, Archaeological site Huta Siallagan Stone chair Anthropological site Tuktuk, dacitic dome Tomok, Arsophagus Tomok, lake sediment Geological Aspects Showing the landscape of a Rio-Dasitan lava dome partially covered by lake sediments (above) and a Rio-Dasitan lava outcrop
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