Related: Scientists discover Earth's inner core isn't just slowing down — it's also changing shape Others have suggested that ...

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Each of these locations contained fragments of ancient oceanic crust that helped piece together the plate’s story. One of the most crucial discoveries came from northern Borneo. Initial analysis ...

Scientists believe that the LLVPs are made up of accumulated oceanic crust subducted down into the mantle. Because seismic waves appear to travel through them in similar ways, it was long assumed ...

One common hypothesis is that the LLVPs are made up of oceanic crust that was pushed into the mantle at subduction zones. This crustal material was then stirred through the mantle over millions of ...

Drewitt, J. W. E., Walter, M. J., Zhang, H., McMahon, S. C., Edwards, D., Heinen, B. J., Lord, O. T., Anzellini, S., & Kleppe, A. K. (2019). The fate of carbonate in ...

Others have suggested that the blobs are huge chunks of oceanic crust that were pushed into the mantle when one tectonic plate slipped under another — a process known as subduction. The crust ...

One common hypothesis is that the LLVPs are made up of oceanic crust that was pushed into the mantle at subduction zones. This crustal material was then stirred through the mantle over millions of ...