Thursday, February 25, 2010

Plate Tectonics


Pangea:
When Pangea was last formed as one conitnent it was about 235 million years ago.

Continental Breakup by Mantle Plumes:
This rift occured about 1.1 billion years ago.
The lava turned into a rock called basalt.

Cambrian era:
The late Cambrian about 425 million years ago.

Future World:
The major mountain range which is now in North Africa is The Medditerranean Mountain Range.
The two continents that North America will join are South America and Africa!

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