Extended Data Fig. 4: Long-term results of measurements of NBS 4321 (5.2919 × 10−5 ± 0.013 × 10−5 (0.25%)) at UCSC using an IsotopX X62, TIMS.
From: Ice retreat in Wilkes Basin of East Antarctica during a warm interglacial
All uncertainties are absolute 2σ.
