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Divergent plate boundaries in oceans Two ocean plates move apart from each other. Hot upwelling mantle material forms magmas that continuously produce new oceanic crust. An ocean widens.
Desert, Salt & Volcanoes One of our best volcano expeditions! Stay 3 full days / nights at the active lava lake of Erta Ale, explore the wonders of Dallol and the Danakil desert in northern Ethiopia. 14 days expedition during Nov-March, small groups, guided by geologist.