[ Top ] [ Japanese ]

Eshima Basalt

• Volcanic activity in Shinji Rift (Half graben)
• Volcanic rocks
• Pleistocene (0.19 Ma, K-Ar)

• Sedimentary facies: Terrestrial
• Lithofacies: Basalt lava

• Source: Mount Otsuka
• Upper limit: Unconformity? (Yasugi Formation, Nakaumi Formation)
• Lower limit: Unconformity? (Yumigahama Formation?)

• Distribution: Eshima island, Yatsuka village, Matsue city, Shimane pref.

• Sawada et al. (2009) Jour. Geol. Soc. Japan, vol.115, Supplement, pp.51-70 DOI