EESA06H3 Lecture Notes - Lecture 1: Paleomagnetism, Laurasia, Declination
Document Summary
When garage chemical seeps in the ground, - like a teabag. Except i. e. rocky mountain may flip over. The course if focused on the history of planet earth, how it works internally and how continents and oceans have evolved (the geosphere) over the last 4 billion years. Rate of plate movement is the same growth of finger nails average 3. 7cm/year. Earth history : application of plate tectonic theory to the ancient past. Tarsands consume huge amounts of water, very inefficient) How planet earth works and the plate tectonic revolution . Collisional (obducting and subducting) margins and divergent (rifted) plate margins. The universe is 15-20 billion years old (ga) Solar system formed after 5 billion years ago. Oldest known rocks are 4. 7 billion years old (meteorites) Oldest rocks on earth are 4. 03 billion years old and occur in canada (acasta gneiss) found near. It"s hard to find really old rocks like these, because of the rock cycle.
