Tiantai Gr
Period:
Cretaceous
Age Interval:
mid-Cretaceous, (36b)
Province:
Zhejiang
Type Locality and Naming
Eastern Zhejiang. Upward succession of the Tangshang Fm, Liangtoutang Fm and Chichengshan Fm.
Lithology and Thickness
See individual formations
Lithology Pattern:
Sandstone
Relationships and Distribution
Lower contact
Its base marked by gray purple and purple red massive sediment tuff breccia with purple red and gray yellow tuffaceous feldspar fine sandstone is distinguished from light gray green analcitized breccia sediment tuff of the Xitoushan Fm of the Moshishan Gr, showing an unconformable contact with the latter.
Upper contact
The overlying strata are obscure. In the east coastal area, the Miocene Shengxian Fm lies unconformably on the Chichengshan Fm (upper formation of Tiantai Gr).
Regional extent
See individual formations
GeoJSON
null
Fossils
See individual formations
Age
Age Span:
Beginning stage:
Albian
Fraction up in beginning stage:
0.6
Beginning date (Ma):
105.58
Ending stage:
Coniacian
Fraction up in the ending stage:
0.7
Ending date (Ma):
86.81
Depositional setting
See individual formations
Depositional pattern:
Additional Information
Compiler: