Miyako Gr
Period:
Cretaceous
Age Interval:
Early Cretaceous (Aptian), (15a)
Province:
Kurosegawa Belt- Shikoku
Type Locality and Naming
Kurosegawa Belt-central Shikoku
Synonym:
Lithology and Thickness
Comprises mainly storm dominated shallow-marine sequences
Lithology Pattern:
Shallow-marine marl
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Ino Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Kuji Gr
Regional extent
Kurosegawa Belt-central Shikoku
GeoJSON
null
Fossils
Age
Early Cretaceous (Aptian)
Age Span:
Beginning stage:
Aptian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
121.40
Ending stage:
Turonian
Fraction up in the ending stage:
1.0
Ending date (Ma):
89.39
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.