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Honghutuhe Formation

Honghutuhe Fm

Period: 
Carboniferous

Age Interval: 
C1 (13a), late Tournaisian to Visean (middle Early Carboniferous)


Province: 
Heilongjiang

Type Locality and Naming

The type section is located at Nanshan (Mt.), Honghutu River, Heihe City, Heilongjiang Province. It was named by Tong Zhifang et al. in 1970, and formally cited Regional Geology of Heilongjiang Province in 1989.


Lithology and Thickness

Volcanic Tuff. Lower part is composed of vitric tuff and other tuffs, containing brachiopods. Upper part is dominated by rhyolitic crystal and vitric tuffs, intercalated with pebbled tuff. Thickness > 985 m.


Lithology Pattern: 
Volcanic ash


Relationships and Distribution

Lower contact

Uncertain: The bottom boundary is unclear

Upper contact

Conformable contact with the overlying Kunaerhe Fm

Regional extent

Distributed at Honghutu River, Kunaer River et al. of Heihe City


GeoJSON

null

Fossils

Brachiopods include: Fusella taidonensis, F. praeulbanensis, Syringothyris hannibalensis, Pugilis annae, etc.


Age 

late Tournaisian to Visean (middle Early Carboniferous)

Age Span: 

    Beginning stage: 
Tournaisian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
359.30

    Ending stage: 
Tournaisian

    Fraction up in the ending stage: 
0.3

    Ending date (Ma):  
355.53

Depositional setting

It is interpreted as a


Depositional pattern:  


Additional Information


Compiler:  

Liu Fa