| 单词 |
uranium-lead dating |
| 释义 |
uranium-lead dating
uranium-lead dating[yə′rā·nē·əm ′led ′dād·iŋ] (geology) A method for calculating the geologic age of a material in years based on the radioactive decay rate of uranium-238 to lead-206 and of uranium-235 to lead-207. |
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