Basaltic crust in the Earth’s lower mantle
From Alberto De Lorenzi on May 31st, 2021
which shows that the Earth's surface rocks can reach great depths up to 700-800 km (“Sound velocity of CaSiO3 perovskite suggests th epresence of basaltic crust in the Earth’s lower mantle”).
Shooting and editing by Elisa Speronello
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