This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Catalan translation. The original can be viewed here: Oceanic spreading.svg: . Modifications made by Jagons.
I, the copyright holder of this work, hereby publish it under the following licenses:
2007-08-17T02:49:50Z Surachit 600x450 (36049 Bytes) == Summary == {{Information |Description=Shows how ocean ridges are formed, lithosphere subducted at trenches; good for understanding plate tectonics. |Source=self-made SVG, based on the public domain USGS image found here [h
2007-08-17T02:41:00Z Surachit 600x467 (41716 Bytes) {{Information |Description=Shows how ocean ridges are formed, lithosphere subducted at trenches; good for understanding plate tectonics. |Source=self-made SVG, based on the public domain USGS image found here [http://earthqua