Assedjefar Fezzan Basin Fm
    Period: 
    
  
  
      Carboniferous    
    
    Age Interval: 
    
          
    
  
  
    Province: 
    
  
  
      Libya    
    Type Locality and Naming
      Column: Fezzan Basin    
    Lithology and Thickness
      Assedjefar Fm  LITHOLOGY= USGS Chart places this unit at the base of the Namurian, base of the Pennsylvanian. Incomplete and truncated cycles of shaley limestones, siltstones, and cross-bedded sandstones with occasional conglomeratic intervals. Fossiliferous, containing faunal remnants of brachiopods, pelecypods, coral, and foramanifera.   CALIBRATION = Base of Early Pennsylvanian (Bashkirian).  REFERENCE = Chart derived from: USGS Correlation Chart and Columnar Section for Rocks in Libya, 1963. Descriptions from: Hallet, Don: Petroleum Geology of Libya, 2002.    
    
    Lithology Pattern: 
    
   
  
  
      Sandy claystone    
    Relationships and Distribution
Lower contact
Upper contact
Regional extent
GeoJSON
      {"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[15,29],[14,28],[15,27],[16,28],[15,29]]]]}}    
    Fossils
Age
     Age Span: 
    
          
    
  
  
        Beginning stage: 
    
  
  
      Bashkirian    
    
        Fraction up in beginning stage: 
    
  
  
      0    
    
        Beginning date (Ma): 
    
  
  
      323.40    
    
        Ending stage: 
    
  
  
      Moscovian    
    
        Fraction up in the ending stage: 
    
  
  
      0    
    
        Ending date (Ma):  
    
  
  
      315.15    
    Depositional setting
    Depositional pattern:  
    
          
    
   
  Additional Information
      long: 15 lat: 28    
    
    Compiler: