Ch 12 Proterozoic Eon
Proterozoic Eon
Proterozoic Eon
- No tags were found...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Assembly of North America<br />
• Laurentia = <strong>Proterozoic</strong><br />
combined landmass of<br />
North America and<br />
Greenland<br />
– Core of Laurentia was<br />
North American craton<br />
(now exposed in Canadian<br />
Shield)<br />
• Throughout <strong>Proterozoic</strong><br />
time, Laurentia grew by<br />
continental accretion<br />
Earth History, <strong>Ch</strong>. <strong>12</strong> 28