File:Ocean-birth hg.png

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DescriptionOcean-birth hg.png	The genesis of an ocean: In plate tectonics, the formation of an ocean starts with a rifting process in the crust as a result of mantle convection. An example of this is the African Rift Valley. In the next stage, the valley has opened up until sea water enters; a good example is the Red Sea. The spreading process continues, the ocean becomes wider and forms a mature ocean like the Atlantic.
Date	20 June 2007
Source	Own work
Author	Hannes Grobe, Alfred Wegener Institute for Polar and Marine Research
Permission (Reusing this file)	Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5)
Other versions	Derivative works of this file: Ocean-birth he.jpg Ocean-birth.svg

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	Date/Time	Dimensions	User	Comment
current	21:29, 29 October 2007	1,614 × 2,312 (301 KB)	Hgrobe	{{Information \|Description=to be done \|Source=own work \|Date=2007-08-31 \|Author=~~~~ \|Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) \|other_versions= }} {{self\|cc-by-sa-2.5}}
	08:59, 23 June 2007	806 × 1,155 (131 KB)	Hgrobe	{{Information \|Description=to be defined \|Source=own work \|Date=2007-06-20 \|Author=~~~~, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany \|Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) \|
	19:13, 20 June 2007	806 × 1,155 (131 KB)	Hgrobe	{{Information \|Description=to be defined \|Source=own work \|Date=2007-06-20 \|Author=~~~~, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany \|Permission=Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5) \|