
            
            By: magic-gigapans
            
              Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
                
            
            
              License:
                 Creative Commons Non Commercial ⧉
              
            
          
            Uploaded: 30 Apr 2020
            Last Updated: 19 May 2020
          
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Fossil gas bubbles (vesicles) in this ancient lava flow were later infilled with mineral deposits, making amygdules.