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Tsukuba Granite (Shibata, 1944) Miyazaki et al., 1996

• Type locality: Tsukuba city, Ibaraki prefecture
• Plutonic rocks
• Paleocene - Eocene (63, 59.6, 53 Ma, K-Ar)
• Intruded by: Kabasan Granite
• Intruded in: Tukubasan Gabbroic Body, Tsukuba Metamorphic Rocks

• Lithofacies: I-type (Ilmenite series)?
• Lithofacies: Biotite granodiorite, Biotite tonalite, Muscovite-biotite granite, Granite

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

• Distribution: Momoyama, Sakuragawa city, Ibaraki pref.; Hojo - Oda, Tsukuba city, Ibaraki pref.; Saikoin Temple, Yoshiu, Ishioka city, Ibaraki pref.; Yukiiri, Kasumigaura city, Ibaraki pref.

• Takahashi et al. (2011) Jour. Geol. Soc. Japan, vol.117, Supplement, pp.21-31 DOI
• Miyazaki et al. (1996) Geology of the Makabe District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 103p. (in Japanese with English abstract 4p.)