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单词
geochemical evolution
释义
geochemical evolution
geochemical evolution
[
¦jē·ō¦kem·ə·kəl ‚ev·ə′lü·shən
]
(geochemistry)
A change in any constituent of a rock beyond that amount present in the parent rock.
A change in chemical composition of a major segment of the earth during geologic time, as the oceans.
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更新时间:2025/11/28 17:56:48