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