LATE ORDOVICIAN (HIRNANTIAN) EXTINCTION EVENT Flashcards

1
Q

super continent in the late ordovician period

A

godwana located on the south pole durin late ordovicain

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2
Q

causes of the late ordovician extinction event

A

glaciers & gamma ray burst hypothesis

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3
Q

cause of the late ordovician extinction event: glaciers

A

massive glaciers formed casuing sea level to drop

like to have caused mass extinction at end of ordovician in which 60% of all marine invertebrate genera and 25% of all families went extinct

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