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Fossils are the preserved impressions or remains of a living organism such as a plant, fish, reptile, bird, insect etc. Someone who studies fossils is called a palaeontologist. There are many types of fossil including remains preserved in ice or amber.
This model shows how fossils can be cast from an impression of an animal’s bones in sedimentary rock such as limestone or sandstone. The model shows the fossilisation process of a Triceratops skeleton. This might take thousands of years but Triceratops is much older - it died out at the end of the Cretaceous period - around 65 Million years ago.
Design: Ben Hughes
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License