A Middle Miocene widespread tephra in the Nanatani Formation of the Niigata sedimentary basin, northeast Japan: Correlation between the Kbi tephra and the Muro Pyroclastic Flow Deposit in Kii Peninsula

Kudo, T., Danhara, T., Iwano, H., Yamashita, T., Miwa, M., Hiramatsu, C., & Yanagisawa, Y. (2011). A Middle Miocene widespread tephra in the Nanatani Formation of the Niigata sedimentary basin, northeast Japan: Correlation between the Kbi tephra and the Muro Pyroclastic Flow Deposit in Kii Peninsula. The Journal of the Geological Society of Japan, 117(5), 277–288. https://doi.org/10.5575/geosoc.117.277