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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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Chatagai Formation
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Chatagai Fm base reconstruction

Chatagai Fm


Period: 
Jurassic

Age Interval: 
Middle-Late Jurassic (J2-3 Ct), BMP1; P1


Province: 
East Tajik (Central Pamir)

Type Locality and Naming

Includes in Bozbaital horst - Murghab basin, Karasu silver-Pangazdjilga thrust sheet

Synonym: Chatagai suite, Chatagay Fm

Reference section:


Lithology and Thickness

The lithology column of Rutte et al., 2017 indicates white limestone, black shale, pebbly sandstone and marl


Lithology Pattern: 
Clayey limestone


Relationships and Distribution

Lower contact

The schematic stratigraphic column indicates the lower contact as Murkallin Fm

Upper contact

Rutte'17 has unnamed Cret-Paleog? Murghab basin Congl, marl, sandstone, volcanics

Regional extent

It is widespread in the Central Pamir in area of the Soviet Officers Peak.


GeoJSON

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Fossils


Age 

Middle-Late Jurassic

Age Span: 

    Beginning stage: 
Bathonian

    Fraction up in beginning stage: 
0.0

    Beginning date (Ma): 
168.17

    Ending stage: 
Oxfordian

    Fraction up in the ending stage: 
1.0

    Ending date (Ma):  
154.78

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, Extracted from Baratov, R. B. (1976). Subdivisions of stratified and intrusive rocks of Tajikistan. Donish, Dushanbe, 276.