GEOG102 Study Guide - Final Guide: Continental Crust, Oceanic Crust, Water Cycle

• School: University of Waterloo
• Department: Geography and Environmental Management
• Course: GEOG102
• Professor: Ellsworth Ledrew

Document Summary

Uniformitarianism: the geological process that operated in the past are the same as those that operate today and they occurred in accordance with the same laws of natural that are operating today. A depi(cid:272)tio(cid:374) f(cid:396)o(cid:373) e(cid:396)as, pe(cid:396)iods, a(cid:374)d epo(cid:272)hs that spa(cid:374)s ea(cid:396)th"s histo(cid:396)(cid:455); sho(cid:449)s (cid:271)oth the se(cid:395)ue(cid:374)(cid:272)e of rock strata and their absolute dates, as determined by methods such as radioactive isotopic dating. Magnetic field protects earth from harmful photons and solar wind coming from the sun (deflects those away from the earth) -> no radio wave communication without it. Magnetic field results of core rotating around earth against the outer core and around that we have the mantle which contains plastic material that has currents that move plates around and on top of that we have. Solid iron, density: 13. 5 g/cm^3: transition zone. Inner core is separated from the outer core by a transition zone several hundred kilometres wide at an average depth of about 5150 km: outer core.