Possible chemical leftovers from early Earth sit near the core

Journal Reference: Surya Pachhai, Mingming Li, Michael S. Thorne, Jan Dettmer, Hrvoje Tkalčić. Internal structure of ultralow-velocity zones consistent with origin from a basal magma ocean. Nature Geoscience, 2021; DOI: 10.1038/s41561-021-00871-5 Down near the core, there are zones where seismic waves slow to a crawl. New research from the University of Utah finds that these … Read more

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