Dating a dinosaur bone

This is because new sediments are always laid down on top of sediments that have already been deposited.

Suppose a dinosaur fossil has been found in the beds of an ancient delta (the mouth of a river leading to the sea).However, Carboniferous coal was carefully extracted from deep within mines (far below the layers containing dinosaur remains) and fully sealed till lab analysis. C-14 dating revealed that they are less than 39,000 years old.These remarkable findings were presented by the German physicist Dr.There are some radioactive elements in rock that decay by giving off energy and turning into different, more stable elements.This radioactive decay takes place at a constant rate for each radioactive element.

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