Tamuragawa Formation

[ Top ] [ Japanese ]

Tamuragawa Formation Miyamura et al., 1981

Accretionary complex
Jurassic

Sedimentary facies: Marine
Lithofacies: Mudstone
Lithofacies (Minor): Sandstone, Chert, Limestone

Thickness: ca. 2,000 m
Lower limit: Transitional (Ozuchi Formation)

Yasugawa Group
[ Upper ]
/--/--/--/--/-
Tamuragawa Formation
--------------
Ozuchi Formation
--------------
Tsuchiyama Formation
/--/--/--/--/-
[ Lower ]

Mino Belt (Yasu, Shiga pref.)
[ Upper ]
/--/--/--/--/-
Yasugawa Group
/--/--/--/--/-
[ Lower ]

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

Distribution: Tamuragawa river - Uguigawa river - Tarodanigawa river - Hinogawa river, Tsuchiyama town, Koka city, Shiga pref.; Mount Watamukiyama, Hino city, Gamo county, Shiga pref.

Harayama et al. (1989) Geology of the Gozaishoyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 145p. (in Japanese with English abstract 6p.)
Miyamura et al. (1981) Geology of the Kameyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 128p. (in Japanese with English abstract 9p.)