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Cenozoic
Cretaceous
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Permian
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Devonian
Silurian
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Neoproterozoic


Main source = Baratov, R.B., et al. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Publishing House "Donish", Dushanbe, 269 pp. plus tables. Provided by Dr. Jovid Aminov, Nazarbayev University, Astana, Kazakhstan Translated to English by the GeoGPT group, Zhejiang Lab, Hangzhou, China--see About

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Zortashkol Formation
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Zortashkol Fm base reconstruction

Zortashkol Fm


Period: 
Silurian

Age Interval: 
Llandovery (S?zt), Z1


Province: 
East Tajik (NE Pamir)

Type Locality and Naming

Synonym: Zortashkol Suite

Reference section:


Lithology and Thickness

Strat column indicates chlorite-sericite-albite schists, quartzite, lenses of conglomerate


Lithology Pattern: 
Gneiss


Relationships and Distribution

Lower contact

This is the lowest formation in the Zortashkol thrust sheet

Upper contact

The schematic strat column indicates the upper formation as Sorkolska Fm

Regional extent

This unit is part of the Eastern Pamir Plateau. The Zortashkol thrust sheet (sometimes called the Zortashkul nappe) lies in the Rangkul–Shorkul area, NE Tajikistan, not far from the Karakul basin.


GeoJSON

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Fossils


Age 

Llandovery

Age Span: 

    Beginning stage: 
Rhuddanian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
443.07

    Ending stage: 
Telychian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
432.93

Depositional setting


Depositional pattern:  


Additional Information


Compiler:  

Extracted from Rutte, D., L. Ratschbacher, S. Schneider, K. Stübner, M. A. Stearns, M. A. Gulzar, and B. R. Hacker (2017), Building the Pamir-Tibetan Plateau—Crustal stacking, extensional collapse, and lateral extrusion in the Central Pamir: 1. Geometry and kinematics, Tectonics, 36, 342–384, doi:10.1002/2016TC004293.