A sequence of silica depositions in the agate occurred in rhyolites around the Bodai district, Ishikawa Prefecture, central Japan
石川県小松市菩提付近の中新世流紋岩類中のシリカ鉱物沈殿

Hisatada Akahane, Masaaki Shimizu, Hiroyuki Imai, Kenro Tsunoda
2015 Chishitsugaku zasshi  
doi:10.5575/geosoc.2015.0012 fatcat:jg2nfg5pjvcwnpi4db3lpzqbym