ESS198_ Triassic Period Presentation

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School

Western University *

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SBI4U

Subject

Geology

Date

Oct 30, 2023

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pdf

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1

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Triassic Period Presentation Main cause - Global warming and carbon dioxide - Break apart of Pangea *Largest mass extinction - 99% species died - Terrestrial species died first (252 mya) then marine species died (251 mya) - Why? When volcanoes erupt, it creates a very warm environment and lots of CO 2 , so terrestrial animals died first Lystrosaurus (index fossil) - Herbivore - Lived on land from the middle of the Permian Period (298.9 - 251.9 mya) until the early triassic period (251.9 - 201.3 mya) - Survived the mass extinction bc of burrowing Permian mass extinction - 75% if all species died Condolences (index fossil) - Small microfossils Glossopteris (index fossil) - Tree
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