Evidence for magmatic carbon bias in ¹⁴C dating of the Taupo and other major eruptions.

Results Radiocarbon ages versus distance from vent We re-examined the corpus of 14 C ages for the Taupo eruption, and found a highly significant relationship between the median calibrated SHCal13 18 calendar ages and distance from the assumed vent position 17 , for sites within 60 km from the vent (Fig. 1a ).

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