Yamashiro Granite

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Yamashiro Granite (Nakajima, 1960) Ozaki et al., 2000

Invalid synonym: Narukawa Granite

Plutonic rocks
Late Cretaceus (143, 70 Ma, K-Ar; 84 Ma, Rb-Sr)
Intruded by: Ideminami Granite
Intruded in: Ryoke Metamorphic Rocks

Lithofacies: Hornblende biotite granite, Granodiorite
Structures: weakly Foliated

Distribution: ca. 7 x 5 km²
Distribution: ca. 5 x 3 km²

Younger Ryoke Granitoids (Kizugawa, Kyoto pref.)
[ Young ]
~~~~~~~~~~~~~~
Koya Granite
~~~~~~~~~~~~~~
Ideminami Granite
~~~~~~~~~~~~~~
Yamashiro Granite
~~~~~~~~~~~~~~
[ Old ]

Ryoke Belt
~~~~~~~~~~~~~~
Ryoke Metamorphic Rocks
~~~~~~~~~~~~~~
Younger Ryoke Granitoids
~~~~~~~~~~~~~~
Older Ryoke Granitoids
~~~~~~~~~~~~~~

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

Distribution: Hokkejino - Nishio, Kizugawa city, Kyoto pref.; Higashinarukawa town, Nara city, Nara pref.

Ozaki et al. (2000) Geology of the Nara District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 162p. (in Japanese with English abstract 5p.)