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Ino Formation

Ino Fm


Period: 
Jurassic

Age Interval: 
Early Jurassic (Pliensbachian), (15a)


Province: 
Kurosegawa Belt- Shikoku

Type Locality and Naming

Kurosegawa Belt-central Shikoku

Synonym: Younger Ino Metamorphic Complex


Lithology and Thickness

Composed of basic, peiitic, psammitic and siliceous schists.


Lithology Pattern: 
Gneiss


Relationships and Distribution

Lower contact

Regionally, the schematic strat column indicates the next older unit as Keta Fm

Upper contact

Regionally, the schematic strat column indicates the next younger unit as Miyako Gr but given an unconformity.

Regional extent

Kurosegawa Belt-central Shikoku


GeoJSON

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Fossils


Age 

Early Jurassic (Pliensbachian)

Age Span: 

    Beginning stage: 
Pliensbachian

    Fraction up in beginning stage: 
0.9

    Beginning date (Ma): 
185.07

    Ending stage: 
Kimmeridgian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
149.24

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Moreno, T., WALLIS, S., Kojima, T. & Gibbons, W. (Eds) 2016. The Geology of Japan. Geological Society. London. 1-24.