Kuma Fm
Period:
Permian
Age Interval:
late Middle-Late Permian (Wuchiapingian), (15b)
Province:
Kurosegawa Belt- Shikoku
Type Locality and Naming
Kurosegawa Belt-western Shikoku
Synonym:
Lithology and Thickness
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Kozaki Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Lower subgroup Fm
Regional extent
Kurosegawa Belt-western Shikoku
GeoJSON
null
Fossils
Age
Shown as Late Middle-Late Permian, hence placed Base of Wuchiapingian
Age Span:
Beginning stage:
Wuchiapingian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
259.55
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.