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Atali Quartzarenite Formation
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Atali Quartzarenite Fm base reconstruction

Atali Quartzarenite Fm


Period: 
Carboniferous

Age Interval: 
late Carboniferous


Province: 
Nepal Tethyan Himalaya

Type Locality and Naming

Dolpo region only. In that region, lowest formation in Thini Chu Gr


Lithology and Thickness

Sandstone. 100-m thick quartzarenite unit.


Lithology Pattern: 
Sandstone


Relationships and Distribution

Lower contact

Follows a major hiatus in Dolpo region. Overlies lowest Carboniferous Tilcho Lake Fm

Upper contact

Disconformity, overlain by Puchenpra Fm

Regional extent

"correlated petrographically with the Bangba Fm of the Manang region"


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[80.9,29.9],[81.03,29.45],[82.61,28.65],[84.89,27.99],[85.62,27.89],[86.24,27.65],[87.74,27.11],[87.96,26.99],[87.9,27.71],[87.23,27.61],[86.24,27.74],[85.64,28.03],[84.46,28.38],[82.74,29.23],[80.9,29.9]]]]}}

Fossils


Age 

Bashkirian-Moscovian

Age Span: 

    Beginning stage: 
Bashkirian

    Fraction up in beginning stage: 
0.5

    Beginning date (Ma): 
319.28

    Ending stage: 
Moscovian

    Fraction up in the ending stage: 
0.5

    Ending date (Ma):  
311.09

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Extracted from Garzanti (1999, "Stratigraphy and sedimentary history of the Nepal Tethys Himalaya passive margin", Jour. Asian Earth Sci., 17: 805-827]