Tsuyagawa Diorite

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Tsuyagawa Diorite Takeuchi and Mikoshiba, 2002

Plutonic rocks
Late Cretaceous
Intruded by: Porphyrite
Intruded in: Hiraiso Formation, Senmatsu Formation

Lithofacies: Diorite, Quartz diorite
Lithofacies (Minor): Diorite porphyry

Distribution (East-West): 2.5 km
Distribution (South-North): 1 km

VIb Zone (Iwate pref.)
[ North ]
~~~~~~~~~~~~~~
Uchino Body
~~~~~~~~~~~~~~
Tabashine Granites
~~~~~~~~~~~~~~
Orikabe Plutonic Complex
~~~~~~~~~~~~~~
Tsuyagawa Diorite
~~~~~~~~~~~~~~
Shinchitoge Gabbro
~~~~~~~~~~~~~~
Shinchi Gabbro
~~~~~~~~~~~~~~
[ South ]

Kitakami mountains plutonic rocks
[ East ]
~~~~~~~~~~~~~~
I Zone
~~~~~~~~~~~~~~
II Zone
~~~~~~~~~~~~~~
III Zone
~~~~~~~~~~~~~~
IV Zone
~~~~~~~~~~~~~~
V Zone
~~~~~~~~~~~~~~
VIa Zone
~~~~~~~~~~~~~~
VIb Zone
~~~~~~~~~~~~~~
[ West ]

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

Distribution: Tsuya river, Murone town, Ichinoseki city, Iwate pref.

Takeuchi and Mikoshiba (2002) Geology of the Senmaya District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 76p. (in Japanese with English abstract 3p.)