Taishaku Limestone Fm
Period:
Permian
Age Interval:
Middle-Lower Permian, (27a)
Province:
Akiyoshi Belt
Type Locality and Naming
Akiyoshi Belt Limestone subfacies
Synonym:
Lithology and Thickness
Limestone
[Figure 1: Stratigraphy of the typical shelf facies and oceanic facies Paleozoic rocks in Japan. Modified after Minato et al., (1965), Mori et al. (1992), Kanmera et al. (1990) and Regional Geology Series of the Geological Society of Japan (Asakura Shoten) (after M. Ehiro et al., 2016)]
Lithology Pattern:
Limestone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Atetsu Limestone Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Akiyoshi Limestone Fm
Regional extent
Akiyoshi Belt Limestone subfacies
GeoJSON
null
Fossils
Age
Shown as Middle-Lower Permian, hence placed Base of Kungurian
Age Span:
Beginning stage:
Kungurian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
283.30
Ending stage:
Wordian
Fraction up in the ending stage:
1.0
Ending date (Ma):
264.34
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.