Yaeyama Gr
Period:
Neogene
Age Interval:
Miocene
Province:
Shimanto Belt
Type Locality and Naming
Synonym:
Lithology and Thickness
It is composed mainly of sandstone associated with shale, limestone conglomerate and coal beds.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Daijima Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Shimajiri Gr
Regional extent
It is exposed in the South Ryukyus, and has been found beneath the shelf off Miyako-jima.
GeoJSON
null
Fossils
Age
Age Span:
Beginning stage:
Messinian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
7.25
Ending stage:
Messinian
Fraction up in the ending stage:
0.5
Ending date (Ma):
6.29
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.