perovskite model

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A theoretical model of the Earth's composition suggesting that the mineral perovskite (CaTiO3) makes up most of the lower part of the mantle between 600 and 2800 km depth, at 2000–2500 °C. Perovskite has been made artificially by compressing olivine, pyroxene, and garnet, and has been shown to withstand temperatures of 2000 °C in the laboratory.

Subjects: Earth Sciences and Geography.

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