How to Identify a Dinosaur Fossil

Written by paul lin
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How to Identify a Dinosaur Fossil
Dinosaur fossils can be found across the world. (skull of the dinosaur image by Natalia Pavlova from Fotolia.com)

Dinosaur bones and fossils are the remains of animals that walked our planet more than 65 million years ago. Species of dinosaurs lived and died through different time periods, but over time their bones remained and are fossilised for us to discover. To identify a dinosaur fossil that has been buried for millions of years takes research, having a trained eye and examining the physical attributes of the fossil. With a little bit of luck and knowledge, you may find a dinosaur fossil in your backyard.

Skill level:
Easy

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Things you need

  • Magnifying glass or microscope

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Instructions

  1. 1

    Analyse the physical characteristics of the dinosaur fossil. Dinosaur bones are sometimes bigger than animal bones unless fragments have been broken up during fossilisation. Match them with images of fossils found in the past using online resources or published materials to see if it is a genuine fossil.

  2. 2

    Familiarise yourself with the shape, texture and colour of a fossil bone. Some fossils can resemble rocks because over millions of year, rock formations have attached and engulfed themselves over the fossils. You can also look closely under a magnifying glass or microscope to see the particles and texture of the object. Rocks are made out of mud, dirt, volcanic material and materials that resemble the earth's crust and have been eroded by wind and water over millions of years. Fossils, however, are covered with a layer of silt that keeps the oxygen from decomposing the fossil. Bone textures are smooth and finished and contain carbon atoms.

  3. 3

    Compare images of fossil findings sketched or photographed by scientists that are published in journals and articles and on websites. Dinosaur fossils with distinct sizes and characteristics can be matched to find out exactly which dinosaur your fossil came from. For example, if the fossil is in the shape of a duckbill tooth, the surrounding findings in the area could be from the duckbill dinosaur.

  4. 4

    Examine the type of rock that surrounds the fossil. With scientific testing and carbon dating equipment, we can determine the age of the rock and can narrow down the type of dinosaur the fossil came from. Although it is difficult to determine the specific time period a fossil came from by just physically observing rock formations, you can examine the layering, physical traits and composition of the rock to determine if the fossils are from about the same time period as other fossils in the area.

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