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| 1. |
a uranium mineral contains U^{238 }and Pb^{206 }in the ratio 4:1 by weight. Calculate the age of mineral (t_{1/2 }for U^{238}=4.5 × 10^9 years) |
| Answer» a uranium mineral contains U^{238 }and Pb^{206 }in the ratio 4:1 by weight. Calculate the age of mineral (t_{1/2 }for U^{238}=4.5 × 10^9 years) | |