Sanogawa Intrusive Rocks

Intrusive rocks
late Miocene (18, 4.3 Ma, K-Ar)
Intruded in: Minobu Formation

Lithofacies: Magnetite series
Lithofacies: Andesite dykes, Basalt dykes
Lithofacies (Xenolith): Gabbro, Diorite, Granodiorite porphyry, Diorite porphyry

Sanogawa Intrusive Rocks
[ Upper ]
~~~~~~~~~~~~~~
Shishinsan Intrusive Rocks
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[ Lower ]

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

Distribution: Sanogawa river, Nanbu city, Minamikoma county, Yamanashi pref.

Ozaki and Sugiyama (2018) Geology of the Minobu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 169p. (in Japanese with English abstract 7p.)