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Morgo Formation
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Morgo Fm base reconstruction

Morgo Fm

Period: 
Triassic

Age Interval: 
Early-Middle Triassic


Province: 
NW Himalaya Karakoram-east

Type Locality and Naming

Upper Shyok Valley: Type section is exposed at Morgo and the uppermost part at Burtsa Yoma. [Original Publication: Gergan, J. T. & Pant, P. C., 1983. Geology and stratigraphy of eastern Karakoram, Ladakh. In: Thakur, V. C. and Sharma, K. K., (eds), Geology of Indus Suture Zone of Ladakh, Wadia Institute of Himalaya Geology, Dehra Dun, India, 99-106; Juyal, K.P. 2016. Lithostratigraphy, biostratigraphy and palaeogeography of the Eastern Karakoram, India. WIHG Monograph series, No. 3. 1-126. ]


Lithology and Thickness

Clayey limestone. Comprises grey to pink massive limestone and thinly bedded calcareous shale. Over 920 m.


Lithology Pattern: 
Clayey limestone


Relationships and Distribution

Lower contact

Morgo Formation overlies the Chhongtash Fm (Carboniferous-Permian)

Upper contact

It overlain by the Burtsa Fm (Upper Triassic-Lower Cretaceous).

Regional extent

Upper Shyok Valley: Not defined.


GeoJSON

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Fossils

Boat-shaped conodonts recovered from Morgo Formation indicate a lower-middle Triassic age (Juyal, 2018)


Age 

On stratigraphic grounds, this formation is tentatively assigned to Lower-Middle Triassic age.

Age Span: 

    Beginning stage: 
Induan

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
251.90

    Ending stage: 
Ladinian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
237.00

Depositional setting

Not available.


Depositional pattern:  


Additional Information


Compiler:  
:

K.P.Juyal and Birendra P. Singh