[ Top ] [ Japanese ]

Neu Granite Research Group for Batholith in the San'in Zone, 1982

• Type locality: Asagane, Nanbu city, Saihaku county, Tottori prefecture
• Plutonic rocks
• Paleocene (66, 62, 61 Ma, K-Ar; 67.0 Ma, Rb-Sr; 66, 65 Ma, U-Pb)
• Correlation: Fube Granite
• Intruded by: Yokota intrusion, Diorite dikes, Rhyolite dikes, Tonalite dikes, Porphyritic granite dikes
• Intruded in: Ebi Granite, Suo Metamorphic Rocks, Shimohagi Granodiorite, Hobutsusen Granite, Kamiiwami Granite

• Sedimentary facies: Batholith
• Lithofacies: Biotite granite

• Distribution (Length): ca. 22 km
• Distribution (Width): ca. 16 km
• Upper limit: Unconformity (Hata Formation, Tsuruta Basalt, Older Volcanic Fan Deposit), Abut unconformity (Ijiri caldera, Yonago caldera)

------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Asagane - Asanabe dam - Takahime - Hosshoji, Nanbu city, Saihaku county, Tottori pref.; Kizumi - Udai, Hoki city, Saihaku county, Tottori pref.; Neu - Kamiiwami, Hino city, Hino county, Tottori pref.; Matsue city - Izumo city, Shimane pref.

• Kano et al. (2025) Geology of the Yonago District (2nd Ed.), Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 84p. (in Japanese with English abstract 4p.)
• Nishida (2013) Jour. Geol. Soc. Japan, vol.119, no.4, pp.229-248 DOI