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Talilai Formation

Talilai Fm

Period: 
Carboniferous

Age Interval: 
C12 (32), early Late Carboniferous


Province: 
Xizang (Tibet)

Type Locality and Naming

The type section is located at Riwancaka of Chabug District, 220 km north of Gerze County, Tibet. It was named by Fan Yingnian in 1988.


Lithology and Thickness

Limestone and Sandstone. Lower part is composed of moderately thick-bedded compact limestone with calcite veins, 74 m thick. Upper part is of gray-green siltstone, fine- to coarse-grained quartz sandstone intercalated with thin-bedded clayey limestone, thickness >65.1 m.


Lithology Pattern: 
Sandy limestone


Relationships and Distribution

Lower contact

Conformable over the Riwanchaka Fm

Upper contact

Unknown: The top boundary us unclear. But next younger unit in region is the glacial till of the Mushirabuka Gr.

Regional extent

Distributed at Riwancaka of the Gerze area, correlatable with the Aoqu Fm of the Jomda area in Qamdo.


GeoJSON

null

Fossils

Lower part yields Coral Haplolasma verticullatum mistam. Upper part yields Brachiopod Phricodothyris ovata.


Age 

early Late Carboniferous

Age Span: 

    Beginning stage: 
Bashkirian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
323.40

    Ending stage: 
Moscovian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
307.02

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Fan Yingnian