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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.
Volcanoes & Cultures The contrast between unspoiled rain-forest, coconut palm beaches, primitive culture and moon-like landscapes surrounding lava-spitting volcanoes could not be bigger: join us on an expedition to the two most active volcanoes of Vanuatu: Ambrym and Yasur.