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Breakup and Assembly of Pangaea

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Presentation on theme: "Breakup and Assembly of Pangaea"— Presentation transcript:

1 Breakup and Assembly of Pangaea

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7 Locating the Continents
Since 200 m.y. ago: Magnetic Stripes In Pangaea: Fit of Edges Before Pangaea Fossil Assemblages Collision History Climate Indicators Paleomagnetism

8 Magnetic Dip The earth’s magnetic field has both a horizontal and a vertical direction

9 Locating the Ancient Continents
Paleomagnetism gives paleolatitudes accurate to about 10 degrees There is no way of determining paleolongitude The further back we go, the more pieces are unaccounted for

10 and data

11 Assembly of Pangaea

12 Rodinia

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