Geology Era Notes
Geology Era Notes GEO 101
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This 3 page Class Notes was uploaded by Carter Cox on Monday April 11, 2016. The Class Notes belongs to GEO 101 at University of Alabama - Tuscaloosa taught by Keene in Spring2015. Since its upload, it has received 13 views. For similar materials see Dynamic Earth in Geology at University of Alabama - Tuscaloosa.
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Date Created: 04/11/16
Geology Era Notes Eras Paleozoic - Early o Break up of the supercontinent Pannotia o Epic Continental Seas o Taconic Orogeny o New England o Ends in glaciation - Life o Cambrian explosion Massive diversification of life - Plants o Ocean Algae Seaweed o Land Simple Fungi Algae Liverwort - Animals o Diverse shelled animals o Triobites, Sponges, Corals, Echinoderms o First Vertebrate Jawless fish - Middle - Paleogeography o Climate warmed and sea level rose Reefs and Progenies - Plants o Vascular Plants Woody tissue, seed, veins, but could grow larger o Large swampy forests (mosses and ferns) - Animals o Diverse shelled animals o Fish: jawed, lobe fin, ray fin o Spider and insects/ 1 amphibians - Tiktaalik o Cross between fish and tetrapod o Fish: fins, scales, and gills o Tetrapod- anything that has these four appendages Flat head, ribs, neck, and fins - Late - Paleogeography o Global cooling Sea level drop o Pangaea forms o Alleghanian orogeny Appalachians Ancestral Rockies - Plants o Gymnosperms Conifer, Cycads (palm like), Ginkgo - Animals o Amphibians diversify o 1 reptiles Eggs with shells - End o Giant extinction event at 248 million 96% of marine species 70% of terrestrial species Largest in history Mesozoic - Early - Paleogeography o Break up of Pangaea o North Atlantic ocean o Inland seas - Plants o Gymnosperms diversify - Animals o First swimming and flying reptiles o First turtles o Coral - Dinosaurs o Warm blooded o Huge sauropods o Feathered birds- last dinosaurs - Mammals o Very small o Not like modern - Late - Paleogeography o Pangaea broken India o Warming and sea level rise Inland seas o Laramide orogeny - Plants o First flowering plants o Flowering plants and hardwoods take over - Animals o Modern fish o Dinosaurs diversify as well as mammals - End o K-T boundary extinction Meteor 75% Plant Life Cenozoic - Paleogeography o Himalaya formation o Atlantic and Pacific separated - Climate o Cooler climate Grasslands o Ice age Creates land bridge - Plants o Flowering plants and gymnosperms diversify o First grasses - Animals o Mammals diversify and flourished Giant mammals at first
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