Sampo Granodiorite

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Sampo Granodiorite

Plutonic rocks
late Miocene (10.8 Ma, K-Ar)
Intruded in: Mitakeshosenkyo type

Lithofacies: Tonalite, Granodiorite

Kofu Granodioritic Complex
[ Young ]
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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: Mount Kokushidake, Yamanashi city, Yamanashi pref. - Kawakami city, Minamisaku county, Nagano pref.; Mount Sanpozan, Chichibu city, Saitama pref. - Kawakami city, Minamisaku county, Nagano pref.; Kanaishizawa creek, Kofu city, Yamanashi pref.

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.)