Mantle ‘Blobs’ Analyzed in New Research

Two Large Low-Shear-Velocity Provinces, or “blobs”, in Earth’s mantle turn out to have different compositions and possible different evolutions.

IMAGE: A 3D view of the blob in Earth’s mantle beneath Africa, shown by the red-yellow-orange colors. The cyan color represents the core-mantle boundary, blue signifies the surface, and the transparent gray signifies continents. CREDIT: Mingming Li/ASU

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Beth Johnson

Planetary scientist, podcast host. Communication specialist for SETI Institute and Planetary Science Institute. Buy me a coffee: https://ko-fi.com/planetarypan