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| Description: Conduit, or pipe, carries gas-rich magma to the surface Vent, the surface opening (connected to the magma chamber via a pipe) Crater Steep-walled depression at the summit Caldera (a summit depression greater than 1 km diameter) Parasitic cones – may develop from fissures on volcano’s flanks Fumaroles – secondary vents that emit only gases Picture Stats: Views: 319 Filesize: 1.42MB Height: 921 Width: 887 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39607 |