ESS104H1 Lecture Notes - Lecture 5: Oceanic Basin, Marine Geology, Lithosphere
Document Summary
October 17th expanding earth versus seafloor spreading. Poster outline: 2 pages single spaced or 4 pages double spaced, paraphrase everything, no quotations, proper citations in-text (basically every sentence, apa style, hand it in digitally, ulrich"s periodical directory. If multiple articles say the same thing, cite the oldest article. Traits of critical thinking: reasonable skepticism towards ideas, being open to reconsider one"s position, trust in reason, judgment not based on emotion. Expanding earth ott hilgenberg: german scientist, assistant at th berlin worked for oil companies in us 1925-28, argues for earth"s expansion, shows series of wooden globes. Jack tuzo wilson: first geophysics undergrad in canada, worked at the geological survey, physics prof at u of t. Matching observations: high heat flow at mid-ocean ridges, shallow earthquakes at mid-ocean ridges, buckling of earth away from mid-ocean ridges (distance to mor may be necessary condition) Pacific: discovered a chain of mountains in pacific (1953) with technology that was used to find.
