The K-T boundary in your hands.

65 million years ago, a gigantic asteroid collided with the planet, causing the extinction of the dinosaurs. This event was recorded in the stratigraphy of the entire planet, and has been found in outcrops in different countries, millions of years later, as a layer of iridium-rich materials. These materials are highly coveted by scientists and collectors.
They are the most truthful and valuable testimony of the event that produced the great extinction of the dinosaurs.
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Видео The K-T boundary in your hands. канала Revista METEORITOS