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Kalaw Red Beds Formation
Click to display on map of the Ancient World at:
Kalaw Red Beds Fm base reconstruction

Kalaw Red Beds Fm

Period: 
Cretaceous

Age Interval: 
Lower-Upper Cretaceous


Province: 
Myanmar Shan Region

Type Locality and Naming

Shan North Plateau, occurs to the east of the Pan Laung Fault. [Original Publication: Barber, A. J., Khin Zaw & Crow, M. J. (eds) 2017. Myanmar: Geology, Resources and Tectonics. Geological Society, London, Memoirs, 48, 317-342]


Lithology and Thickness

Conglomerate. Consists of breccias and conglomerates, containing clasts derived from the Permo-Triassic limestones. These deposits are thickest immediately to the east of the Pan Laung Fault, passing further east into red shales, siltstones and limestones.


Lithology Pattern: 
Conglomerate


Relationships and Distribution

Lower contact

Conformable with Plateau Limestone Gr

Upper contact

This is the youngest Fm in Shan North Plateau

Regional extent

This is developed in Shan North Plateau Region.


GeoJSON

{"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[96.99,23.34],[96.41,22.64],[96.72,22.32],[97.06,21.49],[97.3,22],[97.84,22.54],[97.89,23.17],[96.99,23.34]]]]}}

Fossils


Age 

Lower-Upper Cretaceous[Figure: Stratigraphical correlation of the Cambrian–Devonian rocks of Myanmar Shan region with those of northern Thailand and NW Malaysia. Asterisks indicate the levels at which fossils useful in correlation were found (after Aung&Cocks, 2017)]

Age Span: 

    Beginning stage: 
Albian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
113.20

    Ending stage: 
Cenomanian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
93.90

Depositional setting

Deposited in shallow-water, fluviatile or lacustrine environments (Mitchell et al. 2002)


Depositional pattern:  


Additional Information


Compiler:  

A. J. Barber, Khin Zaw and M. J. Crow (Aung & Cocks, Cambrian–Devonian stratigraphy of the Shan Plateau, Myanmar (Burma), Chapter 14 in Barber, A. J., Khin Zaw & Crow, M. J. (eds) 2017. Myanmar: Geology, Resources and Tectonics. Geological Society, London, Memoirs, 48, 317-342).