Crystalline schist and crystalline limestone, Jimmu Mine, Hiroshima, 2021

Graphite-bearing crystalline schist, Jimmu Mine, Sogo, Mihara-shi, Hiroshima, 2021
石墨を含む結晶片岩(広島県三原市宗郷神武鉱山)

Outcrop of crystalline limestone, Jimmu Mine, Sogo, Mihara-shi, Hiroshima, 2021
結晶質石灰岩の露頭(広島県三原市宗郷神武鉱山)

Boulder of crystalline limestone, Jimmu Mine, Sogo, Mihara-shi, Hiroshima, 2021
結晶質石灰岩の転石(広島県三原市宗郷神武鉱山)

