Deep mantle: Enriched carbon source detected
Nature Geoscience 10, 625 (2017). doi:10.1038/ngeo3001
Author: Peter H. Barry
Estimates of carbon in the deep mantle vary by more than an order of magnitude. Coupled volcanic CO2 emission data and magma supply rates reveal a carbon-rich mantle plume source region beneath Hawai’i with 40% more carbon than previous estimates.