Murogamiyama Formation

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Murogamiyama Formation Mizuno et al., 1994

Type locality: Mount Murogamiyama, Gotsu city, Shimane prefecture
Coherent formation
Pliocene - middle Pleistocene

Sedimentary facies: Marine
Sedimentary facies: Seashore, Offshore
Sedimentary facies: Transgression - Regression deposits
Lithofacies: Sands, Interbedded sands and mud
Sedimentary structures: Parallel stratification, Low-angle cross stratification

Thickness: 20 m or thinner
Lower limit: Unconformity (<Shimanohoshi Formation, Gotsu Volcanic Rocks)

Tsunozu Group
[ Upper ]
~~~~~~~~~~~~~~
Murogamiyama Formation
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Shimanohoshi Formation
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Tsunozu Formation
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[ Lower ]

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

Distribution: northwestern slope of Mount Murogamiyama, Gotsu city, Shimane pref.

Kano et al. (2001) Geology of the Yunotsu and Gotsu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 129p. (in Japanese with English abstract 5p.)
Kano et al. (1998) Geology of the Iwami-Oda and Oura District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 118p. (in Japanese with English abstract 5p.)