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File name:		 08-11CD
08_11CD.jpg		      
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Title: Continental rifting and the formation of a new ocean basin.
Caption: C. Further spreading generates a narrow sea. D. Eventually, an expansive ocean basin and ridge system are created.
Keywords: plate tectonics, tectonic plates, divergent plate boundaries, boundary, divergence, mid-ocean ridges, rift valleys, sea-floor spreading, magma, oceans