A schematic image of subducted oceanic crust inferred from this study. Basalt and harzburgite layers of the oceanic crust accumulate beneath and above the 660 km discontinuity, respectively.
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 ...
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Scientists discover giant blobs deep inside Earth are 'evolving by themselves' — and we may finally know where they come fromRelated: Scientists discover Earth's inner core isn't just slowing down — it's also changing shape Others have suggested that the blobs are huge chunks of oceanic ... of the crust, the team said. It ...
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