EES 1030- Midterm Exam Guide - Comprehensive Notes for the exam ( 52 pages long!)

• School: University of Iowa
• Department: Earth & Environmental Sciences
• Course: EES 1030
• Professor: John Adrain

Document Summary

Origin of continents and oceans ~ challenged that the continents have always been where they are today continental drift. Evidence he used: animals & fauna (fossils)~ land bridges, but would need many land bridges, fit of edges of continents south america ts into africa when rearranged, matches between rock types and mountain belts. Mountain belts often on edge of continents where they could t with another continent"s mountains: past glaciations ~ tillites (big piles of unsorted sediment, glacial deposits don"t make sense given current position of continents. If continents are xed glaciers would have to have formed at equators and moved north, and would have to ow onto land and uphill from sea. If we reposition the continents into a supercontinent (pangea), the glaciers can behave in a normal fashion (form at high altitudes and ow from inland outwards) Geosphere- earth"s crust, mantle and inner metallic core. Crust: 7-40 km, low-density al, fe, mg, ca, k, na.