
            
            By: magic-gigapans
            
              Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
                
            
            
              License:
                 Creative Commons Non Commercial ⧉
              
            
          
            Uploaded: 13 Apr 2020
            Last Updated: 18 May 2020
          
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Can you estimate the amount of strain this sample has enjoyed by comparing the length of the original tourmalines to their stretched length? Avondale Quarry near Sparks, Maryland. A sample from the structural geology collection of Declan De Paor and Carol Simpson.