Depositional ages of sedimentary rocks obtained from the sea floor around the Tokara Islands during GB22-1, GB22-2 and KH23-1 cruises, based on calcareous microfossil assemblages

GB22-1， GB22-2 及び KH23-1 航海においてトカラ列島周辺海域で採取された 堆積岩の石灰質微化石に基づく堆積年代 有元 純 1, ＊ ・田中 裕一郎 2 ARIMOTO Jun and TANAKA Yuichiro (2024) Depositional ages of sedimentary rocks obtained from the sea floor around the Tokara Islands during GB22-1, GB22-2 and KH23-1 cruises, based on calcareous microfossil assemblages.Bulletin of the Geological Survey of Japan, vol.75 (5/6), p. 209-222, 1 fig and 3 tables.