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  Sample n° 4811
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| GALENA | PbS | sulfides and sulfosalts | - | major | 
           Description
            
       
           
    
               Description:
               crystals
            
                         
                Information:
                geochronology - Cahen, L., Eberhardt, P., Geiss, J., Houtermans, F.G., Jedwab, J. & Signer, P., 1958. On a correlation between the common lead model age and the trace-element content of galenas. Geochimica et Cosmochimica Acta 14, 134-149. (Be 78)  //  Eberhardt, P., Geiss, J., Houtermans, F.G. & Signer, P., 1962. Age determinations on lead isotopes. Geologische Rundschau 52, 836-852. (Be 78)
                        
     
      Origin
    
   
  
    - Country: Morocco
- Region:
- Locality: Oued Chekrane, Sidi Hiah Mine
        Specification
    
    
      
    
 
    
  - 
          Donors: van LeckwijckDonation year: 1955
- 
          Sampling year:Registration date:
- 
          Quantity: 2Size: 2
- 
          Dimension code 1>2>3: 3Quality code 1>2>3: 1
- 
          Holotype: noParatype: noRadioactive: no
- 
          Thin section: noChemical analysis: noX-Ray spectra: no