Fig. 1From: Paleomagnetic direction and paleointensity variations during the Matuyama–Brunhes polarity transition from a marine succession in the Chiba composite section of the Boso Peninsula, central JapanLocation and stratigraphy of the studied site. a Tectonic setting. b Distribution of the Kazusa Group (Kanto Basin) and position of the Chiba composite section. The Chiba composite section comprises the Yoro (Yoro-River and Yoro-Tabuchi), Yanagawa, and Kokusabata sections, designated by stars Back to article page