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5 Cards in this Set
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large igneous provinces |
large volumes of basaltic extrusive/intrusive rock created by other than normal seafloor spreading. can be ocean/continental crust or both |
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plateaus |
lava eruption from plumes on continents |
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features of plateaus |
1. basalt =entire rock suite 2. eruption=subaerial (in air) with only local subaqueous condition 3. each plateau=formed with short period of time (less tahn 1m years)
correlation with periods of major rifting (continents breaking apart) |
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Laki |
iceland 14.7 KM3 primarily fluorine lower temp by 1 for a year greatest erupted volume of basalt greatest climate change |
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columbia river plateau |
175000 KM3, 12000x than Laki
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