Radiometric age dating for kids


07-Oct-2015 10:42

radiometric age dating for kids-74

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A fossil will always be younger than fossils in the beds beneath it and this is called the principle of superposition.

Suppose a dinosaur fossil has been found in the beds of an ancient delta (the mouth of a river leading to the sea).The sediment of this area was laid down after ammonite A appeared 199 million years ago, and before ammonite B became extinct 195 million years ago.



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