Supervolcanoes

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describing a supervolcano

تطابق النص (انقر واسحب)   

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تطابق النص

shape

size

scale of eruption

frequency of eruptions

scale of impact

انقر واسحب

all life gone within 200km

masive, violent, 1000km2 of material erupted

caldera and not usual cone shape

large magma chamber-yellowstone was 3000km2

millions of years


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