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Lear etal figb. en From Lear et al Figure Cibicidoides spp Mg calibration Compilation of corrected FAAS ICPAES and ICPMS data for wuellerstorfi pachyderma compressus and wuellerstorfilike Cibicidoides Triangles represent rejected data lying in the upper percentile of the standard error Benthic forminiferal Mg revised coretop