The zircons we studied were depleted in oxygen 18 relative to the mantle, and such depletion occurs only if the crystals formed from rocks that interacted with rain or snow.
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因为相较于地函,我们所研究的锆石,氧18含量偏低,而这种情形只有可能是晶体的母岩曾经和雨水或雪发生交互作用。
单词 The zircons we studied were depleted in oxygen 18 relative to the mantle, and such depletion occurs only if the crystals formed from rocks that interacted with rain or snow. 的词典定义。@海词词典-最好的学习型词典
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