Main Body

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Main Body Takizawa et al., 1990

Plutonic rocks
Cretaceous

Lithofacies: Clinopyroxene gabbro, Hornblende gabbro, Quartz diorite
Structure: Comb layering

Okayazawa Mass
[ East ]
~~~~~~~~~~~~~~
Yatamaru Body
~~~~~~~~~~~~~~
Main Body
~~~~~~~~~~~~~~
[ West ]

VIb Zone (Miyagi pref.)
[ North ]
~~~~~~~~~~~~~~
Harioka Mass
~~~~~~~~~~~~~~
Ohta Mass
~~~~~~~~~~~~~~
Tatebitoge Mass
~~~~~~~~~~~~~~
Okayazawa Mass
~~~~~~~~~~~~~~
Sobanokami Mass
~~~~~~~~~~~~~~
Numazu Mass
~~~~~~~~~~~~~~
Hamada Mass
~~~~~~~~~~~~~~
Ojika Mass
~~~~~~~~~~~~~~
Kasagai-jima Mass
~~~~~~~~~~~~~~
[ 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: Mount Monomiishi, Okayasawa, Tsuyama town, Tome city, Miyagi pref.

Takizawa et al. (1990) Geology of the Toyoma District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 126p. (in Japanese with English abstract 8p.)