Figure 2
From: Timing of the Brunhes-Matuyama transition constrained by U-series disequilibrium
230Th/238U and 234U/238U ratios on the classical isotope evolution diagram. Light blue corresponds to TIMS, red to MC-ICP-MS, and green to alpha spectrometry data. (b) A close-up of the area indicated in (a), corresponding to the oldest samples.
