This distribution reflects the last two supercontinent cycles over the past ... During this period, two supercontinents emerged: Rodinia, which formed approximately 1.2 billion years ago and ...
This reflects the last two supercontinent cycles ... in a slightly different form once the supercontinents were assembled: Ocean crust on the edges of Rodinia, and later Pangaea, subducted under ...
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HowStuffWorks on MSNHow Pangaea Became 7 Separate ContinentsThe planet the oldest supercontinent is known as Rodinia, and it formed about 1 billion ... Three large continental plates ...
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