Tamura, Tomonori https://orcid.org/0000-0001-5755-4715
Oohashi, Kiyokazu https://orcid.org/0000-0002-0064-547X
Otsubo, Makoto https://orcid.org/0000-0003-1222-2578
Miyakawa, Ayumu https://orcid.org/0000-0001-8089-6406
Niwa, Masakazu https://orcid.org/0000-0002-9714-5649
Funding for this research was provided by:
Fukada Geological Institute
Article History
Received: 3 October 2019
Accepted: 8 January 2020
First Online: 20 January 2020
Ethics approval and consent to participate
: Not applicable to this study.
: Not applicable to this study.
: The authors declare that they have no competing interests.