EESA06H3 Lecture : Lecture 1
Document Summary
Geoscience: the study of geology; study of the earth started in the 19th century. Environmental science vs. geoscience = great overlap btwn the 2. Try to look at what the earth looked like in the past. That"s quite a lot when it adds up. Earth"s history - 4. 6 billion years pressure. Crustal rocks that lay below grenville mountains were formed as a result: mountains are continuously eroded overtime. Niagara escarpment example of a hard edge of one of these layers. Contain a lot of fossils helps with reconstruction. Erratics: these rocks have wandered here (originated from other places) Take in how many times the earth"s surface has changed itself over history. Eventually all the continents will come together to form a supercontinent just as they were back then. When they break up myriad of small ocean good, because life flourishes. Plate tectonics movement of plates on earth.
