- authigenic element
- 自生元素
English-Chinese geology dictionary (英汉地质大词典). 2013.
authigenic element
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Cerium anomaly — The Cerium anomaly, in geochemistry, is the phenomenon whereby Cerium (Ce) concentration is either depleted or enriched in a rock relative to the other rare earth elements (REEs). A Ce anomaly is said to be negative if Ce is depleted relative to… … Wikipedia
