State geological sample is found to have a pb-206/u-238 mass

Reference no: EM13490088

A geological sample is found to have a Pb-206/U-238 mass ratio of 0.337/1.00. Assuming there was no Pb-206 present when the sample was formed, how old is it? The half-life of U-238 is 4.5 × 109 years. Answer 7.1 × 109 years 7.3 × 1011 years 2.1 × 109 years 1.4 × 1010 years 2.4 × 1010 years

Reference no: EM13490088

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