Tategami Fm
Period:
Cretaceous
Age Interval:
Early Cretaceous (Valanginian), (8f)
Province:
South Kitakami Belt-Western Sub-belt
Type Locality and Naming
Shizugawa (Shizukawa)-Hashiura Sub-belt; Hashiura area
Synonym:
Lithology and Thickness
It consists of alternating beds of quartzose sandstone and mudstone
Lithology Pattern:
Sandy_claystone
Relationships and Distribution
Lower contact
The Tategami Fm rests conformably on the Tsukihama Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Jusanhama Gr
Regional extent
Shizugawa (Shizukawa)-Hashiura Sub-belt; Hashiura area
GeoJSON
null
Fossils
It has yielded Late Jurassic-Early Cretaceous brackish water molluscs (Hayami 1960).
Age
Shown as Early Cretaceous, hence placed Base of Valanginian
Age Span:
Beginning stage:
Valanginian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
137.70
Ending stage:
Albian
Fraction up in the ending stage:
1.0
Ending date (Ma):
100.50
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.