Ancient high Pt/Os crustal contaminants can explain radiogenic 186Os in some intraplate magmas
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DOI: 10.1016/j.epsl.2019.04.039
Abstract: Abstract The origin of variations in 186 Os/ 188 Os ratios amongst mantle-derived basaltic and komatiitic lavas remains controversial, with opposing models arguing for deep core-mantle versus shallow mantle sources. Crustal contamination has generally not… read more here.
Keywords: crustal contamination; variations 186; ancient high; explain radiogenic ... See more keywords