EESA06H3 Lecture 6: Lecture 6
Document Summary
Lecture 6: a seismic gap is a section of a fault that has produced earthquakes in the past but is now quiet. This reverses direction of continental movement and closes the ocean. The continent will begin to move back in towards the spreading center. Dying ocean: closure of the tethys oceans as pangea breaks up. India collides with asia after 25 ma closing the tethys ocean and creating the. Mediterranean sea is that last vestiges of the tethys ocean. In future, mediterranean sea will close, and alps gets bigger. (cid:858)pacific im of fi e(cid:859): i(cid:374)(cid:448)ol(cid:448)es (cid:449)idesp(cid:396)ead su(cid:271)du(cid:272)tio(cid:374) a(cid:374)d (cid:373)elt (cid:894)dest(cid:396)oyed(cid:895) of pa(cid:272)ifi(cid:272) Ocean crust below surrounding continents; continental crust is produced in the process: we(cid:859)(cid:396)e li(cid:448)i(cid:374)g i(cid:374) i(cid:374)te(cid:396)glacial now. Work suggest that we had ice ages because of the collision between india and asia and the building of the himalayas: rodinia: a lot of canada was added during that time.
