ptrgzrtr

Tectonic Events• Marked by the progretion of pangea• Present day northern hemishpere landmasses moved twords the equator to form Laurasia• Joined large southern hemispere landmass gondwana• Collision created the ural mountains• China was formed with collision of several microcontinents and Siberia• collision between Gondwana and Laurasia formed the Appalachian belt in North America...
April 4th, 2011 at 06:43pm