Shijonawate Granodiorite

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Shijonawate Granodiorite Iguchi and Tainosho, 1999

Type locality: Lake Takaraike, Shijonawate city, Osaka prefecture
Plutonic rocks
Late Cretaceus (81.5 Ma, U-Pb, ca. 80 Ma, SHRIMP)
Intruded in: Ryoke Metamorphic Rocks, Kisaichi Granite, Katano Granite

Sedimentary facies: Stock
Lithofacies: Hornblende biotite granodiorite, Tonalite

Distribution (East - West): ca. 2.5 km
Distribution (South - North): 4 km

Younger Ryoke Granitoids (Ikoma, Nara pref. - Osaka pref.)
[ Young ]
~~~~~~~~~~~~~~
Tsuda Granite
~~~~~~~~~~~~~~
Shijonawate Granodiorite
~~~~~~~~~~~~~~
Katano Granite
--------------
Tomio Granite
~~~~~~~~~~~~~
Tenno Granite
~~~~~~~~~~~~~~
Kisaichi Granite
~~~~~~~~~~~~~~
Ishikiri Tonalite
~~~~~~~~~~~~~~
[ Old ]

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

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

Distribution: Lake Takaraike, Shijonawate city, Osaka pref.

Miyachi et al. (2001) Geology of the Osaka-Tohokubu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 130p. (in Japanese with English abstract 6p.)