ESS102H1 Lecture : Geology Lecture 1
7 Feb 2012
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video record: beaker with an ice cube. water comes up to about 300 ml with a large ice cube in it. there tend to be edges of continents that line up. the location of volcanoes can hint to where the continents used to line up. a similar pattern is when we look at the location of earthquakes y both volcano and earthquake locations tend to line up y also the mid-ocean ridges are locations of earthquakes. Asthenosphere y will eventually turn into an ocean face. y there will be volcanic activity before the ocean starts to form. y some examples of divergent plate boundaries: j the mid-ocean ridges in. africa and asia/australia which goes up into the red sea , and. This will cause a deep-sea trench y ocean-continent j the ocean always goes beneath the continent y continent-continent j the two collide, one doesn t go beneath, and they become a large mountain.
