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Muro Group (Suzuki, 1939) Kishu Shimanto Research Group, 1977

Invalid synonym: Kinan Group

• Accretionary complex
• middle - late Eocene
• Correlation: Mikura Group

• Sedimentary facies: Marine

• Northern limit: Hongu - Minachi fault
• Thickness: 7,500 - 9,000 m
• Upper limit: Unconformity (Koguchi Formation, Tanabe Group)

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

• Distribution: Wakayama pref.

• Bessho and Nakaya (2011) Jour. Geol. Soc. Japan, vol.117, no.8, pp.423-438 DOI
• Tokuoka et al (1981) Geology of the Ryujin District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 69p. (in Japanese with English abstract 6p.)
• Suzuki et al (1979) Geology of the Kurisugawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 54p. (in Japanese with English abstract 5p.)
• Murayama (1954) Shingu, Atawa, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 27p. (in Japanese with English abstract 6p.)