GEG-1 Lecture Notes - Lecture 4: Red Deer River, North American Plate, Innuitian Mountains
Document Summary
Marked the beginning of the breakup of pangaea. Began in the mesozoic era and continued into the cenozoic era. While this area was under water, new layers of sedimentary rock formed on top of. As pangaea broke up, the north american plate moved westward and collided with the. Seas and swamps covered much of central and western canada those formed in the paleozoic era. This caused huge amounts of magma to rise within a few kilometres of the surface. Here, it cooled and solidified into a large mass of granite. This granite structure was later uplifted and formed the coast range mountains. The tremendous tectonic forces began to fold the earth"s surface to form the rocky. Mountains toward the end of the mesozoic era. The innuitian mountains were formed in the eastern arctic as the north american plate moved in a northward direction. Shallow seas were in the interior of north america.
