Ammonitic limestone in the Arena of Verona, Italy
Building Image
 
Building Image
 
      The images above are exterior and interior views of the Roman arena in Verona, in northern Italy. The arena was built in the first century A.D. and is still used for theatrical performances. Those performances account both for the stage seen at right and the extensive maintainence work.

      The Roman patrons of the arena and their modern counteparts sat and sit on stone blocks. Those stone blocks are limestones, probably of Jurassic age, in which ammonites are readily visible (there's a good example at the bottom center of the image below). Ammonites were coiled molluscs with internal chambers, analogous to the modern chambered Nautilus. Like dinosaurs, another group of famous Jurassic organisms, ammonites went extinct at the end of the Cretaceous. Millions of years later, their remains support the posteriors of theatre viewers in Verona.

 
Stone Image

 


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