Monday, 9 August 2010

Another supercontinent

Have you tried to reassemble this supercontinent? Try our latest Earthlearningidea 'The continental jigsaw puzzle'. What evidence is there that these continents were once joined together? Pupils might suggest fossils of comparable land animals that could not have swum across an ocean, rocks of the same type and age that match, fold belts which seem to stop at the coast only to reappear on the other side of the ocean, evidence of ancient climates such as red desert beds or rocks formed in tropical forest environments.
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Michael Welland said...

I don't see any mention of the fact that the fit is not the coastlines but the edges of the continental shelves. Maybe I missed something, but this is really important - particularly since that's what your reconstruction shows!

Michael Welland

Earthlearningidea team said...

Thanks Michael. Yes, it is really important and is explained on the diagram in the Earthlearningidea activity itself.