Nature Communications (Aug 2017)
Seismological evidence for a localized mushy zone at the Earth’s inner core boundary
Abstract
The existence of a mushy zone in the Earth’s inner core has been suggested, but has remained unproven. Here, the authors have discovered a 4–8 km thick mushy zone at the inner core boundary beneath the Okhotsk Sea, indicating that there may be more localized mushy zones at the inner core boundary.