Cenozoic

Cretaceous

Jurassic

Triassic

Permian

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Kagio Formation

Kagio Fm

Period:

Jurassic

Age Interval:

Lower Jurassic (Sinemurian), (15b)

Province:
Kurosegawa Belt- Shikoku

Type Locality and Naming

Kurosegawa Belt-western Shikoku

Synonym:

Lithology and Thickness

This Fm is divided into the lower (sandstones and conglomerates) and upper (mudstone) members.

Lithology Pattern:

Claystone

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

Upper contact

Regionally, the schematic strat column indicates the next younger unit as Ryoseki Fm

Regional extent

Kurosegawa Belt-western Shikoku. Equivalent of Keta Fm in Central Shikoku

GeoJSON

null

Fossils

Lower Jurassic (Sinemurian)

Age Span:

Beginning stage:

Sinemurian

Fraction up in beginning stage:

0.0

Beginning date (Ma):

199.46

Ending stage:

Toarcian

Fraction up in the ending stage:

1.0

Ending date (Ma):

174.70

Depositional pattern:

Additional Information

Compiler:

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