Maalegh Fm
    Period: 
    
  
  
      Neogene    
    
    Age Interval: 
    
  
  
      Langhian – Serravallian, Lb3
    
    Province: 
    
  
  
      Libya    
    Type Locality and Naming
Column: Cyrenaica Basin
Synonym:
Lithology and Thickness
Limestone
    Lithology Pattern: 
    
   
  
  
      Limestone
    
Relationships and Distribution
Lower contact
Regionally, the schematic strat column indicates the next older unit as Porto Bardia Fm
Upper contact
Regionally, the schematic strat column indicates the next younger unit as Alueolina Brady I Limestone Fm
Regional extent
GeoJSON
      {"type":"Feature","geometry":{"type":"MultiPolygon","coordinates":[[[[16.77,28.92],[17.75,23.9],[18.77,23.18],[19.83,23.81],[20.54,23.72],[21.92,24.26],[23.03,26.98],[23.27,30.13],[21.58,30.61],[20.73,31.1],[20.43,32.4],[20.36,33.26],[19.37,33.11],[18.07,33.46],[18.09,34.15],[17.64,35.35],[16.6,34.88],[14.9,33.89],[13.92,32.67],[15.59,31.26],[15,30.64],[16.77,28.92]]]]}}    
    Fossils
Age
      Langhian – Serravallian    
    
     Age Span: 
    
          
    
  
  
        Beginning stage: 
    
  
  
      Langhian    
    
        Fraction up in beginning stage: 
    
  
  
      0.5    
    
        Beginning date (Ma): 
    
  
  
      14.91    
    
        Ending stage: 
    
  
  
      Serravallian    
    
        Fraction up in the ending stage: 
    
  
  
      0.5    
    
        Ending date (Ma):  
    
  
  
      12.72    
    Depositional setting
    Depositional pattern:  
    
      
    
   
  
Additional Information
    Compiler:  
    
  
      Chart derived from: USGS Correlation Chart and Columnar Section for Rocks in Libya, 1963. Descriptions from: Hallet, Don: Petroleum Geology of Libya, 2002.