Chishi Gr
Period:
Cretaceous
Age Interval:
Cretaceous, KcG, (37)
Province:
Fujian
Type Locality and Naming
Western Fujian. Chen Kai erected the Chishi bed in 1943 and attributed it to the Paleogene. In 1965 the Fujian Regional Geological Survey Team recalled it the Chishi Group. During the stratigraphic sorting of Fujian in 1994, the Chishi Group was divided in ascending order into three formations: the Junkou Fm, Shaxian Fm and Chongan Fm, and assigned them to Cretaceous.
Lithology and Thickness
See individual formations
Lithology Pattern:
Conglomerate
Relationships and Distribution
Lower contact
Its base built up by sandy conglomerate and conglomerate is in disconformable contact with the Baiyashan Fm.
Upper contact
Its top is unknown.
Regional extent
See individual formations
GeoJSON
null
Fossils
None listed
Age
Age Span:
Beginning stage:
Albian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
104.31
Ending stage:
Campanian
Fraction up in the ending stage:
0.1
Ending date (Ma):
82.50
Depositional setting
See individual formations
Depositional pattern:
Additional Information
Compiler:
Wan Xiaoqiao