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15 Cards in this Set
- Front
- Back
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Orogeny in Devonian
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Acadian Orogeny
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Orogeny between Northern Appalachian and Newfoundland
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Acadian Orogeny
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Devonian cratonic sequence
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Kaskaskia
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Devonian unconformity
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Oriskany sandstone
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Michigan Basin
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Devonian, has evaporite deposits and surrounded by reefs
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Williston Basin
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Western Canada, High in oil and gas, rich in evaporites, 1/2 the world's potash
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Chattanooga Shale
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Black shale in Tennessee, extends across N.A.
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Antler Orogeny
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Caused the Antler Mountains
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Age devonian is known for
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Age of fishes
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3 types of devonian fish
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Sharks(teeth preserved)
Placoderms(Jawed fish, bony) Lobe-finned fish(Pectoral bone fine) |
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3 types of lobe finned fish
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Lungfish - freshwater, can "walk" on land
Coelacanth - Strong pectoral bones Crossopterygians - Ancestor of moder amphibeans |
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First amphibeans
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Ichtyhostega/Labyrinthodont
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Devonian land plants
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Sphenopsids- scouring rush
Spore bearing ferns- reproduce near water Seed ferns- can reproduce on land Forest(Evergreen and scale) |
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Related to nautiloids and found in devonian
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Ammonites
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Extinction in devonian
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Warm climate dies out, climate cooling cause large glacial deposits in brazil and S.A., Hydnocera(glass sponge) survives
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