ASTR 1101 Chapter : Motions Of The Planets 2

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15 Mar 2019
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Important concepts: recovery of life after k-t, begin: age of mammals , climates, eocene and oligocene shifts, oceanographic impact, regional events, linked to climate shifts, western na orogeny, interesting event producing chesapeake bay. Eocene mammals had diversified greatly to include: large whales flying bats: tree climbing primates, elephants and horses, insectivores, ungulates, marsupials, monotremes, the primate order, to which humans belong, evolved in the. Antarctica: physical isolation created a very cold circumpolar current, why didn"t ice sheet expansion occur earlier, although antarctica was at the south pole since the. Paleogene regional events: 5 major events, 1. Antarctica rifted from souther american and australia: 2. Northa america and eurasia further separated: 3. Laramide orogeny and associated events in the cordilleran region (na: 4. Rio grand rift in sw north america: 5. Mississippi embayment: failed arm of the gom triple junction filled with sediment: 6. Meteorite impact in the district of columbia and.

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