Main body

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Main body

Plutonic rocks
Late Cretaceous

Lithofacies:

Main body
[ Young ]
~~~~~~~~~~~~~~
Sasamori type
~~~~~~~~~~~~~~
Orikabe type
~~~~~~~~~~~~~~
Tokusenjo type
~~~~~~~~~~~~~~
[ Old ]

Orikabe Plutonic Complex
[ North ]
~~~~~~~~~~~~~~
North body
~~~~~~~~~~~~~~
Main body
~~~~~~~~~~~~~~
[ South ]

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: Orikabe - Yagoshi - Mount Yagoshi - Mount Sasamori - Mount Kuromori, Murone town, Ichinoseki city, Iwate pref.; Mount Kumayama - Monomi, Kesennuma city, Miyagi 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.)