Bayanhushu Fm
Period:
Ordovician
Age Interval:
Middle Ordovician, (9)
Province:
Inner Mongolia
Type Locality and Naming
Type section at Bayanhushu, north of Bayan Bulug Sum, Sonid Zuo Banner, Inner Mongolia Autonomous Region. Named by Nan Runshan, Guo Shengzhe, et al., 1992, Paleozoic Biostratigraphy and Paleogeophysics in Geosynclinal Area of Inner Mongolia and Northeast China, Beijing: Geological Publishing House.
Synonym:
Lithology and Thickness
Metamorphic mudstone, siltstone, quartzose sandstone and slate, intercalated with limestone lenticle.
Lithology Pattern:
Sandy claystone
Relationships and Distribution
Lower contact
Upper contact
Regionally, the next younger unit is the Wubinobo Fm
Regional extent
GeoJSON
null
Fossils
Age
Age Span:
Beginning stage:
Darriwilian
Fraction up in beginning stage:
0.0
Beginning date (Ma):
469.42
Ending stage:
Katian
Fraction up in the ending stage:
0.0
Ending date (Ma):
452.75
Depositional setting
Depositional pattern:
Additional Information
Compiler:
Extracted from Geological Formation Names of China (1866-2000); Springer Publ.