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       This 
        sample of Onaping Fall-back Breccia 
    is from the huge Sudbury impact structure, an ancient 62km crater in Ontario, Canada.  | 
     
      
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       Also 
        from the Sudbury impact structure, 
    Anthraxolite is an intriguing carbonaceous material, widely considered to derive from the body that created the second largest crater so far discovered on Earth.  | 
     
      
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       This 
        is a 'fladle' or pancake stone from  
    the Ries Crater. It is a flattened chunk of impact melt glass, ejected during the meteoric impact. Available in several sizes up to around 15cm. Super items!  | 
     
      
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       Suevite 
        fallback breccia from the Ries Crater. 
    The impact disrupted local Jurassic limestones, creatingshatter cones and breccias. Our samples have been polished on one surface to display the dark, glassy inclusions.  | 
     
      
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    Probably 
      unique to Spacerocks! We offer this set of nine different KT Boundary layer samples, each fully labelled in a padded acrylic case and presented in a hand-made glazed wooden box. The specimens have been collected for us on both sides of the Atlantic Ocean.  | 
     
      
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