Megami Formation

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Megami Formation

Some researchers interprets as a slab in Sagara Group

Accretionary complex
Accretion: middle Miocene

Sedimentary facies: Marine
Lithofacies: Limestone

Upper limit: Unconformity (Sagara Group)

Oigawa Group
[ Upper ]
/--/--/--/--/-
Megami Formation
/--/--/--/--/-
[ Lower ]

Shimanto Belt (Shizuoka pref.)
[ Upper ]
/--/--/--/--/-
Setogawa Group
/--/--/--/--/-
Oigawa Group
/--/--/--/--/-
Ryuso Group
/--/--/--/--/-
[ Lower ]

Shimanto Belt
[ Upper ]
/--/--/--/--/-
Northern Shimanto Belt
/--/--/--/--/-
Southern Shimanto Belt
?--?--?--?--?-
[ Lower ]

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

Distribution: Sagara, Makinohara city, Shizuoka pref.
Fossils: Calcareous algae, Corals
Fossils (Foraminifera): Lepidocyclina nipponica, Miogypsina kotoi

Sugiyama et al. (1982) Geology of the Shizuoka District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 82p. (in Japanese with English abstract 9p.)