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Strong, Multi-Scale Heterogeneity in Earth's Lowermost Mantle

Tkalcic, Hrvoje; Young, Mallory; Muir, Jack; Davies, Rhodri; Mattesini, M.


The core mantle boundary (CMB) separates Earth’s liquid iron outer core from the solid but slowly convecting mantle. The detailed structure and dynamics of the mantle within ~300 km of this interface remain enigmatic: it is a complex region, which exhibits thermal, compositional and phase-related heterogeneity, isolated pockets of partial melt and strong variations in seismic velocity and anisotropy. Nonetheless, characterising the structure of this region is crucial to a better understanding...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Scientific Reports
DOI: 10.1038/srep18416
Access Rights: Open Access


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