Fig. 2From: A full sequence of the Matuyama–Brunhes geomagnetic reversal in the Chiba composite section, Central JapanLocation of the Chiba composite section (CbCS). a Geological map of the central Boso Peninsula after Suganuma et al. (2018). Red stars indicate locations of the sub-sections of the CbCS. b–d Detailed maps of the sub-sections of the CbCS, as indicated by the black squares in aBack to article page