Serie D'ln Akamil Gr
    Period: 
    
  
  
      Cretaceous    
    
    Age Interval: 
    
       
    
  
  
    Province: 
    
  
  
      Northern Africa: Illizi Basin    
    Type Locality and Naming
Synonym:
Lithology and Thickness
    Lithology Pattern: 
    
   
  
  
      Gypsum
    
Relationships and Distribution
Lower contact
Upper contact
Regional extent
        Illizi Basin
      
GeoJSON
      null    
    Fossils
Age
     Age Span: 
    
          
    
  
  
        Beginning stage: 
    
  
  
      Cenomanian    
    
        Fraction up in beginning stage: 
    
  
  
      0    
    
        Beginning date (Ma): 
    
  
  
      100.50    
    
        Ending stage: 
    
  
  
      Turonian    
    
        Fraction up in the ending stage: 
    
  
  
      0    
    
        Ending date (Ma):  
    
  
  
      93.90    
    Depositional setting
    Depositional pattern:  
    
      
    
   
  
Additional Information
    Compiler:  
    
  
      Rebecca Bobick (and Wen Du), modified from Klett, T.R. "Total Petroleum Systems of the Grand Erg/Ahnet Province, Algeria and Morocco - The Tanezzuft - Timimoun, Tanessuft-Ahnet, Tanezzuft-Sbaa, Tanezzuft-Mouydir, Tanezzuft-Benoud, and Tanezzuft Bechar/Abadla" Bulletin 2202-B, U.S. Geological Survey