Figure 4: Pressure–temperature diagram showing generalised carbonate phase relations in subducted, carbonated oceanic crust. The melting curves of carbonated basalt at upper mantle and transition zone ...
Formation of continental and oceanic crust depletes the convecting mantle ... possible to analyse individual minerals constituting the basalts as well as melt inclusions trapped within the minerals.
It has created the oceanic and, ultimately, the continental crust, as well as the Earth's ... isotopic composition of abyssal peridotites and basalts from the southwest Indian ridge 8 has shown ...