Discrimination of the Volcanic Ash Layers by Means of the Features of Volcanic Glass, with Special Reference to the Difference of the Titanium Contents in the Volcanic Glass of the Plio-Pleistocene Osaka Group, Japan
- 1 January 1972
- journal article
- Published by Japan Association for Quaternary Research in The Quaternary Research (Daiyonki-Kenkyu)
- Vol. 11 (4), 247-253
- https://doi.org/10.4116/jaqua.11.247