Miyanaro Fm
Period:
Permian
Age Interval:
early-middle Middle Permian (Asselian), (15b)
Province:
Kurosegawa Belt- Shikoku
Type Locality and Naming
Kurosegawa Belt-western Shikoku
Synonym:
Lithology and Thickness
mainly consist of sandstone, mudstone and alternating beds of sandstone and mudstone, in association with conglomerate and rare acidic tuff.
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates this is the oldest unit
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Tsurukoba Fm
GeoJSON
null
Fossils
Age
Shown as early-middle Middle Permian, hence placed Base of Asselian
Age Span:
Beginning stage:
Asselian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
298.89
Ending stage:
Asselian
Fraction up in the ending stage:
1.0
Ending date (Ma):
293.52
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.