石材分類=御影石, 写真横約=10cm

庵治石(中目)

Aji

岩石名:黒雲母花崗岩 biotite granite
産地:香川県高松市庵治
地質時代:中生代白亜紀
絶対年代:82.9Ma(Yuhara, et al., 2003)
地質体:領家花崗岩類
Ryoke-belt granitoid

利用例:パレスホテル、東京オペラシティ


Reference;
Yuhara et al. (2003) Rb-Sr and K-Ar geochronology and petrogenesis of the Aji Granite in the eastern Sanuki district, Ryoke Belt, southwest Japan. Journal of Mineralogical and Petrological Sciences, 98, 19-30.