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Ch 12 Proterozoic Eon

Proterozoic Eon

Proterozoic Eon

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End of Precambrian<br />

• By end of Precambrian time, Laurentia,<br />

Baltica, and Siberia were distinct<br />

continents<br />

• Pan-African suturing resulted in the<br />

formation of the supercontinent<br />

“Gondwanaland” (Africa, South America,<br />

India, Australia, Antarctica)<br />

Earth History, <strong>Ch</strong>. <strong>12</strong> 42

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