单词 | oxygen isotope fractionation |
释义 | oxygen isotope fractionation [`äk·sǝ·jǝn `īs·ǝ´tōp ´frak·shǝ`nā·shǝn] GEOCHEMISTRY The use of temperature- dependent variations of the oxygen-18/oxygen-16 ratio in the carbonate shells of marine organisms, to measure water temperature at the time of deposition. |
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