Scientists have estimated that the earths crust was formed 4.3 billion years ago. The
Chapter 19, Problem 19.26(choose chapter or problem)
Scientists have estimated that the earths crust was formed 4.3 billion years ago. The radioactive nuclide 176Lu, which decays to 176Hf, was used to estimate this age. The half-life of 176Lu is 37 billion years. How are ratios of 176Lu to 176Hf utilized to date very old rocks?
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