Dayixikanghe Fm
Period:
Ordovician
Age Interval:
Middle Ordovician, (6)
Province:
Heilongjiang
Type Locality and Naming
Type section at Dayixikanghe in Xinglong Township, Huma County, Heilongjiang Province. Named by No.1 Heilongjiang Regional Geological Survey Team, 1983, Explanatory Text for 1:200 000 Scale Geological Map: Xinglonggou Sheet, Humazhen Sheet
Synonym:
Lithology and Thickness
Pebble-bearing sandstone with interbeds of siltstone and slate.
Lithology Pattern:
Coarse-grained sandstone
Relationships and Distribution
Lower contact
Regionally, the next older unit is the Huangbanji Fm
Upper contact
Regionally, the next younger unit is the Nanyanghe Fm
Regional extent
GeoJSON
null
Fossils
Age
Age Span:
Beginning stage:
Floian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
477.08
Ending stage:
Sandbian
Fraction up in the ending stage:
0.0
Ending date (Ma):
458.18
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Extracted from Geological Formation Names of China (1866-2000); Springer Publ.