Kofu Granodioritic Complex

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Kofu Granodioritic Complex Hara et al., 2010

Plutonic rocks
late Miocene (ca. 9.7 - 8.9 Ma)
Intruded by: Andesite dykes, Tokusatoge volcano
Intruded in: Koreisan Unit, Kobotoke Group

Lithofacies (Center): Magnetite series)
Lithofacies (Marginal): Ilmenite series)
Lithofacies: Hornblende biotite granodiorite, Biotite hornblende tonalite
Lithofacies (Minor): Hornblende gabbro, Hornblende diorite

Upper limit: Unconformity (Taragatoge Volcanic Rock, Tokuwa Volcanic Rock, Odaira Welded Tuff, Yamaguchi Pumice Tuff, Kengamine volcano, Tokusatoge volcano), Abut unconformity (Baba Welded Tuff)

Kofu Granodioritic Complex
[ Young ]
~~~~~~~~~~~~~~
Kawaura type
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Kogarasu type
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Ashikawa type
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Tokuwa type
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Mitakeshosenkyo type
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[ Old ]

Kofu Granodioritic Complex
[ Young ]
~~~~~~~~~~~~~~
Sampo Granodiorite
~~~~~~~~~~~~~~
[ Old ]

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

Distribution: Karisaka pass, Yamanashi city, Yamanashi pref. - Chichibu city, Saitama pref.; Nareisawa creek, Mitomi, Yamanashi city, Yamanashi pref.

Hara et al. (2010) Geology of the Mitsumine District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 110p. (in Japanese with English abstract 4p.)
Mimura et al. (1984) Geology of the Mitake-Shosenkyo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 61p. (in Japanese with English abstract 4p.)