Tokura Ophiolite

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Tokura Ophiolite (Photo)

Invalid synonym: Tokura Ultrabasic-Basic Rocks

Plutonic rocks
Ophiolite

Lithofacies: Diorite, Gabbro, Basalt, Pyroxinite

Upper limit: Unconformity (Rhyolite, Andesite)

Katashina Belt
[ Upper ]
/--/--/--/--/-
Nakanotake Metagabbros
/--/--/--/--/-
Shibutsusan Ultramafic Rocks
/--/--/--/--/-
Tokura Ophiolite
/--/--/--/--/-
Kawaba Ultramafic Rocks-Metagabbro-Schist Complex
/--/--/--/--/-
Iwamurotoho Ultramafic Rocks
/--/--/--/--/-
[ Lower ]

Joetsu Belt
[ Upper ]
/--/--/--/--/-
Katashina Belt
/--/--/--/--/-
Tanigawadake Belt
/--/--/--/--/-
[ Lower ]

Maizuru Belt
[ North ]
/--/--/--/--/-
North zone
/--/--/--/--/-
Central zone
/--/--/--/--/-
South zone
/--/--/--/--/-
[ South ]

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

Distribution: Tokura - Katashina river, Katashina city, Tone county, Gunma pref.

Chihara and Komatsu (1992) Geology of the Hakkaisan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 107p. (in Japanese with English abstract 8p.)
Murayama and Kawata (1956) Hiuchi-dake, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 28p. (in Japanese with English abstract 4p.)