Korama Fm
    Period: 
    
  
  
      Quaternary    
    
    Age Interval: 
    
  
  
      Quaternary (7a, 7b, 7c)
    
    Province: 
    
  
  
      East Niger Rift Basin - Termit Sub-basin    
    Type Locality and Naming
Saley, 2018
References:
Synonym:
Lithology and Thickness
[Not given; but "unclear if part of Chad", then sandy claystone?]
    Lithology Pattern: 
    
   
  
  
      Sandy claystone
    
Relationships and Distribution
Lower contact
Upper contact
None
Regional extent
East Niger Rift Basin - Termit Sub-basin (near Lake Chad)
GeoJSON
      {"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[10.98,17.2],[10.92,16.77],[11.93,15.49],[13.22,14.16],[13.39,13.43],[13.91,13.27],[14.5,13.11],[14.81,14.16],[14.7,14.96],[14.94,15.31],[14.66,15.37],[14.53,15.86],[13.18,17.57],[12.76,17.58],[12.67,17.91],[12.33,17.86],[11.77,17.8],[11.35,17.64],[10.98,17.2]]]]}}    
    Fossils
Age
      [Not given; but "unclear if part of Chad", then upper Pleistocene?]    
    
     Age Span: 
    
          
    
  
  
        Beginning stage: 
    
  
  
      Chibanian    
    
        Fraction up in beginning stage: 
    
  
  
      0.0    
    
        Beginning date (Ma): 
    
  
  
      0.77    
    
        Ending stage: 
    
  
  
      Holocene    
    
        Fraction up in the ending stage: 
    
  
  
      0.0    
    
        Ending date (Ma):  
    
  
  
      0.01    
    Depositional setting
Continental
    Depositional pattern:  
    
      
    
   
  
Additional Information
Aquifer near the Lake Chad dependent on the fossilization of the rivers feeding it, and the rainfall deficit. In exhaustion at the Zinder AEP catchment.
    Compiler:  
    
  
      Jacques LeBlanc (2022), Stratigraphic Lexicon: The Sedimentary Formations of The Republic of Niger, Africa. Colnes Publishing (Tallin, Estonia), 365 pp. https://doi.org/10.47909/978-9916-9760-6-7 (or via https://sites.google.com/site/leblancjacques)