Funding for this research was provided by:
Japan Agency for Marine-Earth Science and Technology
Japan Society for the Promotion of Science (16H01765, 16J02142)
Text and Data Mining valid from 2019-01-15
Received: 28 September 2017
Accepted: 12 December 2018
First Online: 15 January 2019
: KS is a student of TR. TR was co-chief scientist of IODP Expedition 346. IT and LJ were shipboard scientists of IODP Expedition 346. MKM was a JSPS Postdoctoral researcher under TR, now assistant professor at the University of Tokyo.
: The authors declare that they have no competing interests.
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