Our key insight was the realization that different xenon isotopes in our oklo sample were created at different times ? following a schedule that depended on the half - lives of their iodine parents and tellurium grandparents 我们的关键性认知是理解到，欧克陆标本中各种氙同位素是在不同时间生成的，时程表取决于它们的母元素碘和再上一代元素碲的半衰期。
