EESA06H3 Lecture Notes - Lecture 10: Mudstone, African Plate, Paleozoic
Document Summary
How north america got built, the basic process of deconstruction, it means taking something apart and seeing how its built and what its made out of. We now have the tools to figure all this out, the interpreted tool is plate tectonics for understanding how na got built. We can do exactly the same thing with any continent, cuz basically the same process everywhere. There are five main growth stages for na, oldest one is called artica (2. 7 giga annum), then columbia (1. 8ga), and very important one rodinia (1. 0ga, where life evolved), the first three combined to create the. Canadian shield (the craton) the core of na. Then we have the east side (maritime canada 350ma, when pangea is forming, during the appalachians. Orogeny- appalachian mountaints) and then the west (british columbia-200ma, as pangea broke up (the cordilleran orogeny-eg. rockies) Slide with na map, red area is the shield, blue area is appalachian belt.
