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Valdosta State University Glen McDonald MGMS 7401.

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Presentation on theme: "Valdosta State University Glen McDonald MGMS 7401."— Presentation transcript:

1 Valdosta State University Glen McDonald MGMS 7401

2 Precambrian The Precambrian eon is one of Earth’s earliest Eons and is actually a Supereon with smaller divisions. Not much is known about this eon though it does cover 88% of geologic time.

3 Precambrian4600-540 MYA The Precambrian is broken in to the smaller divisions of Hadean, Archean, and Proterozoic periods. In this picture of the Proterozoic is the supercontinent Rodinia.

4 This Era was divided up into periods called the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and the Permian. Paleozoic Era

5 The major land mass that occupied the Earth’s surface for the majority of the Paleozoic Era was Gondwana. Paleozoic Era: Cambrian

6 Gondwana is still dominate at this time with smaller continents around. The major ocean of the time is the Panthalassic Ocean. Paleozoic Era: Ordovician

7 During the Early Carboniferous period the continents of Euramerica and Gondwana begin to collide forming the Appalachian Mountains 356 MYA. Paleozoic Era: Early Carboniferous

8 Many plants began to form during the Carboniferous periods. These plants flourished in the warmer climate provided by being closer to the equator. Modern coal was created from the plants of this period. Paleozoic Era: Late Carboniferous

9 The major land mass at the end of the Paleozoic Era was Pangea. While some continents look intact this land doesn’t look much like the continents of today. Located around the equator these tropical conditions would be much different from ice covered southern part located near the pole. Paleozoic Era: Permian

10 Dominated by cycads and ferns. The massive plant life gave rise to coal swamps and increased the oxygen in the atmosphere. Carboniferous Forests http://youtu.be/c2lJbjoOuNs

11 The Mesozoic Era is broken into smaller periods similar to the Paleozoic. These periods are the Triassic, Jurassic, and the Cretaceous. Mesozoic Era

12 At the end of the Triassic Period Pangea begins to break apart starting the formation of the Atlantic Ocean. Mesozoic Era: Triassic

13 During the late Jurassic Period Pangea is being torn apart revealing more of the Atlantic. India begins its separation from Africa too. Mesozoic Era: Jurassic

14 This time period gave rise to the Dinosaurs. Early Jurassic –Cretaceous http://youtu.be/D3MI7BkFdUI

15 India is fully separated from Africa and Antarctica. The Tethys and Panthalassic Oceans gave rise to the Indian and Pacific Oceans.. Mesozoic Era: Cretaceous

16 During the majority of this Era the climate was warm with climates getting cooler after the separation of Pangea. Majority of continent was fixed above the equator providing the warmer temperature. In the Cretaceous we can see the formation of the Rockies too.

17 The Cenozoic was broken into three period. The Paleogene, Neogene, and smaller Quaternary. Cenozoic Era

18 When India separated from Antarctica and Africa it collided with Asia forming the Himalayans. Cenozoic Era: Paleogene Period: Eocene Epoch

19 The Continents are finally resembling how they appear today during the middle Miocene. Some 14 MYA. Cenozoic Era: Neogene Period: Milocene Epoch

20 By the end of this future world scenario almost all land has recombined. Australia and Antarctica form one continent and the others form a larger continent. A small inland sea exist as well as a large pacific ocean. Climate will be extremely warm in this future scenario. Large areas of land close to the equator and in tropical regions. Future World+250 Ma

21 Scotese, C. (2010). Paleomar project: Earth history. Retrieved from http://www.scotese.com/earth.htm Google images. Retrieved from www.google.comwww.google.com Wikipedia resources. Retrieved from www.wikipedia.comwww.wikipedia.com Mesozoic Era the time of the Kings. Youtube. Video Retrieved from http://youtu.be/D3MI7BkFdUI http://youtu.be/D3MI7BkFdUI First life with David Attenborough. Youtube. Video Retrieved from http://youtu.be/c2lJbjoOuNs http://youtu.be/c2lJbjoOuNs Work Cited


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