Asked Jan 6, 2020

 How is the uranium to lead ratio in a rock used to estimate its age? How does this dating technique provide an estimate for Earth’s age? How old is Earth according to this dating method?< 


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Uranium-lead dating is the oldest dating method to calibrate the age of the matter.  It is used to measure the age of rocks that formed about 1 million years to more than 4.5 billion years ago.  This method usually worked on zirchon which is a mineral ore.&nb...

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