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15 Cards in this Set
- Front
- Back
late gulf of mexico triasic
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above sea level
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gulf of mexico formed
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when n and s america seperated
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evaporites ( definition )
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dry area with salt and gypsom deposition
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evaporites
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*thickness up to 1000m
*source of salt domes in gulf coast *petroleum traps |
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sonomon oregeny -
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eastward moving island arcwas thrust against the craton
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life in triasic
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frirst dinoaURAs
early mammals |
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life in jurassic
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first birds
first placental mammals |
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life in cretacous
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first flowering plants
extintion of dinasaurs |
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mollusks
3 classes |
major invertibrates of mesozoic
bivalvs cepholapods gastropods |
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diapids have what with skulls
and what are the two groups |
they have two fenestras
lepidosaurs - lizards and snakes archosaurs - ruling reptiles |
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how are dinosaurs classified and what are th 2 reasons
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saurischia lizard hipped
orthnisha - bird hipped |
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2 division of mammals
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monotremes (egg laying mammals)
Marsupials and placental |
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wat are 3 indicators that pangea was dry
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evaporites
red beds dunes |
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n america during triastic
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continental deposition
red beds |
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n america during jurrasic
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gulf in mexico
rising seal level w margin - oregin |