Usugatani Fm
Period:
Triassic
Age Interval:
Ladinian, (15c)
Province:
Kurosegawa Belt- Shikoku
Type Locality and Naming
Kurosegawa Belt-eastern Shikoku
Synonym:
Lithology and Thickness
Mudstone dominated
Lithology Pattern:
Claystone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Haigyu Gr
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Sabudani Fm
Regional extent
Kurosegawa Belt-eastern Shikoku
GeoJSON
null
Fossils
Age
Triassic (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.