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Geothermal-gradients.gif(790 × 513 pixels, file size: 36 KB, MIME type: image/gif)

High heat flow is associated with the Earth's "hot spots" (also called melting anomalies or thermal plumes), whose origins are somehow related to the narrowly focused upward flow of extremely hot mantle material from very deep within the Earth.

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current14:25, 16 April 2012Thumbnail for version as of 14:25, 16 April 2012790 × 513 (36 KB)Samc (Talk | contribs)
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