Atetsu Limestone Fm
Period:
Carboniferous
Age Interval:
Gzhelian, (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 this is the oldest unit
Upper contact
Akiyoshi Belt Limestone subfacies. Regionally, the schematic strat column indicates the next younger unit as Taishaku Limestone Fm
Regional extent
GeoJSON
null
Fossils
Age
Shown as Carboniferous, hence placed Base of Gzhelian
Age Span:
Beginning stage:
Gzhelian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
303.68
Ending stage:
Gzhelian
Fraction up in the ending stage:
1.0
Ending date (Ma):
298.89
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.