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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.
14-day geo tour The Canary islands boast spectacular scenery, wild nature, great culture and gorgeous cuisine. Get to know 4 jewels on one tour: Lanzarote, La Palma, El Hierro, and Tenerife., and discover some world-class geology with an expert!
Volcano Calendar 2018 We're proud to present our 2018 volcano calendar: 13 different and attractive images of volcanoes, volcanic landscapes and phenomena taken during volcano tours over the past few years.