Type: GIF image
Description: Mudcracks form when muddy sediment is exposed to the atmosphere and dries up. They have a characteristic polygonal shape when viewed from above, How is this process similar for cooling basalt?
Uploaded by: MaryAnn McGarry
Created: Monday, 24 October 2011, 7:34 AM
Last modified: Tuesday, 25 October 2011, 11:24 AM
Size: 407.7K (417464 bytes)
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