O-18 FRACTIONATION IN BARNACLE CALCITE - A BARNACLE PALEOTEMPERATURE EQUATION

O-18 FRACTIONATION IN BARNACLE CALCITE - A BARNACLE PALEOTEMPERATURE EQUATION
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藤壶方解石中的 O-18 分馏 - 藤壶古温度方程

DOI:
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发表时间:
1982
期刊:
影响因子:
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通讯作者:
W. Newman
W. Newman
中科院分区:
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文献类型:
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作者:
J. Killingley;W. Newman

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取自温度范围为 -2° 至 26°C 的海水的无柄藤壶 (Balanomorpha) 的方解石壳,与假设处于热力学平衡的软体动物值相比,富集度接近恒定为 18 0。富集度约为1.3%。为 8"0,将导致对化石藤壶壳的 O 分析估计的古代海洋温度过冷约 5°C,除非使用修改后的古温度方程。
The calcitic shells of sessile barnacles (Balanomorpha) taken from ocean waters ranging in temperature from -2° to 26°C have a near constant 18 0 enrichment compared with mollusk values assumed to be at thermodynamic equilibrium. The enrichment, about 1.3%. as 8"0, will cause estimates of ancient ocean temperatures from "O analyses on fossil barnacle shells to be about 5°C too cold unless a modified paleotemperature equation is used.