Fig. 3: Correlation between mean olivine core and rim compositions in kimberlites worldwide.
From: Diamond preservation in the lithospheric mantle recorded by olivine in kimberlites
Olivine lamproites from South Africa and India are also included. Mg# = Mg/(Mg/Fe) as molar proportions. The black line shows a regression through the data and dotted lines bracket the related 1σ confidence interval. Red crosses indicate outliers representing magmas that may have lost part of their cargo of metasomatised (i.e., Fe-rich) xenocrystic cores23. The error bars represent 1 standard deviation of the mean.
