Shihuichang Fm
Period:
Ordovician
Age Interval:
Late Ordovician, (25)
Province:
Qinghai
Type Locality and Naming
The type section is at Shihuichang in Golmud City, Qinghai Province. It was named by Li Guangcun, Lin Baoyu, 1982, in Contribution to the Geology of the Qinghai-Tibet Plateau, (1), Beijing: Geological Publishing House.
Synonym:
Lithology and Thickness
Gray, grayish green volcanic clastic rocks, carbonate rocks, metamorphic clastic rocks, tuffite and marble lenticle
Lithology Pattern:
Volcanic ash
Relationships and Distribution
Lower contact
Overlies the Shuinichang Fm
Upper contact
Regional extent
GeoJSON
null
Fossils
Age
Age Span:
Beginning stage:
Katian
Fraction up in beginning stage:
0.7
Beginning date (Ma):
447.47
Ending stage:
Hirnantian
Fraction up in the ending stage:
1.0
Ending date (Ma):
443.07
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Extracted from Geological Formation Names of China (1866-2000); Springer Publ.