Zohoin Fm
Period:
Triassic
Age Interval:
Middle Triassic (Ladinian), (15a)
Province:
Kurosegawa Belt- Shikoku
Type Locality and Naming
Kurosegawa Belt-central Shikoku
Synonym:
Lithology and Thickness
Consists of mudstone with sandstone and rare tuffaeeous mudstone
Lithology Pattern:
Clayey sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Ichinose Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Upper subgroup Fm
Regional extent
Kurosegawa Belt-central Shikoku
GeoJSON
null
Fossils
Age
Shown as Middle Triassic, hence placed Base of Ladinian
Age Span:
Beginning stage:
Ladinian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
241.46
Ending stage:
Ladinian
Fraction up in the ending stage:
1.0
Ending date (Ma):
237.00
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.