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College of Arts & Sciences

Climates Past

Climates Past

Icehouse…Greenhouse…Hothouse

The Earth’s climate has gone from Greenhouse to Hothouse more than dozen times this eon. Each time, researchers say, magma brought the heat.

Dr. David L. Kidder is helping to characterize the Hothouse planetary state by studying times when the Earth’s deep-level plumbing system sent large volumes of magma to the surface. Researchers call these short duration events “Large Igneous Provinces.” Igneous is Latin for “fire,” and igneous rock is cooled magma or lava.

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