Barind Clay Fm
    Period: 
    
  
  
      Quaternary    
    
    Age Interval: 
    
  
  
      late Pleistocene
    
    Province: 
    
  
  
      Bangladesh NW    
    Type Locality and Naming
Lithology and Thickness
Reddish brown to yellowish clay, silty clay and silty sand with minor pebbles. Overlain by Bengal alluvial.
    Lithology Pattern: 
    
   
  
  
      Soil
    
Relationships and Distribution
Lower contact
Conformable onto Dihing Fm of fluvial pebbly sands
Upper contact
Holocene alluvium of fluvial plain deposits
Regional extent
Stable platform of NW Bangladesh
GeoJSON
      {"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[89.25,23.94],[90.18,24.9],[90.59,25.17],[89.87,25.3],[89.8,25.59],[88.95,25.6],[89.022,25.26],[88.48,25.22],[87.95,24.64],[89.25,23.94]]]]}}    
    Fossils
Age
      Late Pleistocene    
    
     Age Span: 
    
          
    
  
  
        Beginning stage: 
    
  
  
      Calabrian    
    
        Fraction up in beginning stage: 
    
  
  
      0.5    
    
        Beginning date (Ma): 
    
  
  
      1.29    
    
        Ending stage: 
    
  
  
      Holocene    
    
        Fraction up in the ending stage: 
    
  
  
      1.0    
    
        Ending date (Ma):  
    
  
  
      0.00    
    Depositional setting
Floodplain and soils
    Depositional pattern:  
    
      
    
   
  
Additional Information
    Compiler:  
    
  
      Extracts from Md. Shamsul Islam and Md. Jahangir Alam (2009, "Geological aspects of soil formation in Bangladesh", conference paper in ResearchGate);  and from Md. Alam et al. (2003, "An overview of the sedimentary geology of the Bengal Basin in relation to the regional tectonic framework and basin-fill history", Sedimentary Geology, 155: 179-208.)