石材分類=御影石, 写真横約=8cm

蛭川みかげ

Hirukawa

岩石名:黒雲母花崗岩 biotite granite
産地:岐阜県中津川市蛭川
地質時代:中生代白亜紀
絶対年代:72-70 Ma(Yuguchi et al., 2016)
地質体:苗木花崗岩体(山陽帯花崗岩)
Naegi granite, Sanyo-belt granitoid

利用例:中津川市鉱物博物館ロビー


Reference;
Yuguchi, T., Iwano, H., Kato, T., Sakata, S., Hattori, K., Hirata, T., Sueoka, S., Danhara, T., Ishibashi, M., Sasao, E., Nishiyama, T.: Zircon growth in a granitic pluton with specific mechanisms, crystallization temperatures and U-Pb ages: Implication to the ‘spatiotemporal’ formation process of the Toki granite, central Japan, Journal of Mineralogical and Petrogical Sciences, vol.111, pp.9-34, 2016.