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Estimating age of crystals using radioactive decay

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Analysis of zircon crystals separated from the sandstone showed that the 206Pb/238U ratio was is 0.90, How do you work out an estimate for the age of the zircon crystallization assuming that the decay of 238U to 206Pb is 4.47x10^9 Years?

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The formula for radiometric decay is
The formula is
t = 1/k x ln (1+ D/P)
t = the age of the sample

Solution Summary

Estimating age zircon crystals separated from sandstone using radioactive decay is examined. Zircon crystals separated from the sandstones are determined.

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