Shitara Sills

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Shitara Sills

Intrusive rocks
middle Miocene (15.1, 12.6 Ma, K-Ar)
Intruded in: Shitara Igneous Complex, Mitsuhashi Granodiorite, Ryoke Metamorphic Rocks

Facies: Dikes
Lithofacies: Tholeiite
Lithofacies: Andesite - Dacite

Nansetsu Subgroup (Intrusive rocks)
[ Upper ]
?--?--?--?--?-
Central dikes
?--?--?--?--?-
Otoge Cone Sheet
?--?--?--?--?-
Shitara Sills
~~~~~~~~~~~~~~
[ Lower ]

Shitara Group
[ Upper ]
?--?--?--?--?-
Nansetsu Subgroup (Shitara Volcanic Rocks)
~~~~~~~~~~~~~~
Hokusetsu Subgroup
~~~~~~~~~~~~~~
[ Lower ]

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

Distribution: Shitara region, Aichi pref.

Yamasaki and Ozaki (2012) Geology of the Asuke District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 76p. (in Japanese with English abstract 4p.)