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madreJ [45]
3 years ago
14

Which would be the best way to determine the absolute age of a collection of sedimentary rocks that are thought to be between 50

and 200 million years old?
Biology
1 answer:
Irina-Kira [14]3 years ago
7 0
This can be done by absolute dating technique. In this, the amount of radioactive material with a known half-life is measured. The measure of the radioactive decay of the elements present in the rock helps in the back calculation of the age of the rock. For older rocks, isotopes of Beryllium, Uranium, Argon etc. are used. 
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