Matsuyama Granodiorite

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Matsuyama Granodiorite (Momoi, 1957) Okamura, 1967

Invalid synonym: Matsuyama Granite, Matsuyama-type granodiorite

Plutonic rocks
Late Cretaceus
Intruded by: Kure Granite, Utazaki Granite, Yuyama Granite, Kasamatsuyama-Kazuratani Granite, Diorite porphyry dikes
Intruded in: Kuga Group, Kono Diorite

Lithofacies: Clinopyroxene-bearing hornblende biotite granodiorite, Hornblende biotite granodiorite, Tonalite
Structures: Foliated

Younger Roke Granitoids (Matsuyama, Ehime pref.)
[ Young ]
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Namikata Granodiorite
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Hojo Granodiorite
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Takanawa Granodiorite
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Matsuyama Granodiorite
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[ Old ]

Ryoke Belt
[ Young ]
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Ryoke Metamorphic Rocks
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Younger Ryoke Granitoids
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Older Ryoke Granitoids
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[ Old ]

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

Distribution: Tatsuyama - Takanawa - Nakashima island - Odachibajima island - Kotachibajima island, Matsuyama city, Ehime pref.; Nonoezaka - Kaminagase - Saizaki, Omishima town, Imabari city, Ehime pref.; Boyo islands, Ehime pref. - Yamaguchi pref.

Shinjoe and Saito (2017) Jour. Geol. Soc. Japan, vol.123, no.8, pp.571-584 DOI
Matsuura (2001) Geology of the Mitsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 58p. (in Japanese with English abstract 4p.)
Matsuura (1997) Geology of the Kurahashi Jima and Hashira Jima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 53p. (in Japanese with English abstract 4p.)