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Panottia – Gondwana End of Proterozoic 500 my ago

Panottia – Gondwana End of Proterozoic 500 my ago. Rifting: Gondwana and Laurentia. Taconic Island Arc moves toward Laurentia from 510 mya to 450 mya.

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Panottia – Gondwana End of Proterozoic 500 my ago

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  1. Panottia – GondwanaEnd of Proterozoic 500 my ago

  2. Rifting: Gondwana and Laurentia

  3. Taconic Island Arc moves toward Laurentiafrom 510 mya to 450 mya

  4. Alleghenian OrogenyAfrica collides with Laurentiabut does not subduct.Hits Greenland first, thenrotates in toward eastern North America.Final collision to form the Present day Appalachians. Sediments uplifted; basement rocks folded and upliftedIapetus Ocean closedPangea formed

  5. PANGAEA - 255 million years agoYellow = North AmericaGreen = South AmericaLight blue = Africa Red = EurasiaDark blue = AustraliaFuchsia = Antarctica

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