EESA06H3 Lecture Notes - Lecture 10: Anthropocene, Sodium Chloride, Network Layer
Document Summary
By walter wally alanguilan and bansari shah in utsc intro to planet earth eesa06h3 (winter 2012) edit doc. Eesa06 exam: wednesday, april 25th 2pm-5pm ~120 multiple choice chapter 1-4 and 20 (11 and 19) and. Lectures 10 and 11 and figures 20. 4, 20. 6. Canada"s geological journey: the last 4. 5 billion years (chapter 20) Paradigm revolutionary idea that changes people"s views. Craton each continent has one, inner core of old crystalline rocks (igneous, metamorphic) all precambrian aged (~600 million years) They are underneath large areas of cover rocks. Cannot subduct continental crust cause low density: obduction continents grow through time; the accretionary process that builds continents from smaller crustal blocks, adding blocks to another one to make a bigger continent - called cratinization. Box 2. 5 peneplained craton and enlarged continent > early rifting > full ocean basin > subduction zone > closing ocean basin > collision orogeny (process of building mountains)
