Formation of continental and oceanic crust depletes the convecting mantle ... It has also become possible to analyse individual minerals constituting the basalts as well as melt inclusions trapped ...

Scientists use tiny minerals called zircons as geologic timekeepers ... where zircons form before they reach the surface, with oceanic crust entering the chamber ahead of continental crust.

The fate of carbonate in oceanic crust subducted into earth’s lower mantle ... We have also shown that diamonds from Juina, Brazil and their silicate mineral inclusions crystallised from just such a ...

During serpentinization, awaruite (Ni₃Fe) forms as a secondary mineral when liberated nickel (Ni 2+) and iron (Fe 2+) from the olivine, pyroxene, and chromite minerals react with the abundant hydrogen ...

The plate diving into Earth pulls down rocks and minerals full of water. When that water-rich rock gets put under pressure by the weight of the crust pressing ... the National Oceanic and ...