Senmaya Tonatilic Pluton

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Senmaya Tonatilic Pluton

Invalid synonym: Senmaya Granite

Plutonic rocks
Early Cretaceous (122 - 105 Ma, K-Ar; 107 Ma, Rb-Sr)
Intruded by: Granodiorite porphyry dikes
Intruded in: Orikabe Plutonic Complex, Senmatsu Formation

Lithofacies: Adakite
Lithofacies: Tonalite
Lithofacies (Minor): Granodiorite, Quartz diorite

Distribution (East-West): 11 km
Distribution (South-North): 25 km
Upper limit: Unconformity (Mataki Formation)

V Zone
[ North ]
~~~~~~~~~~~~~~
Kurihashi quartz diorite
~~~~~~~~~~~~~~
Tono Granodiorite
~~~~~~~~~~~~~~
Hitokabe Granite
~~~~~~~~~~~~~~
Goyosan Pluton
~~~~~~~~~~~~~~
Senmaya Tonalitic Pluton
~~~~~~~~~~~~~~
[ South ]

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

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

Distribution: Senmaya - Mount Monomiishi - Okutama, Senmaya town, Ichinoseki city, Iwate pref.; Sodeyama, Fujisawa town, Ichinoseki city, Iwate pref.; Surisawa - Mount Tendogamori - Sogei, Daito town, Ichinoseki city, Iwate pref.; Mount Monomiishi, Ichinoseki city, Iwate pref.

Ozawa et al. (2013) Jour. Geol. Soc. Japan, vol.119, Supplement, pp.134-153 DOI
Tsuchiya et al. (2008) Jour. Geol. Soc. Japan, vol.114, Supplement, pp.159-179 DOI
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.)