Hydrothermal calcium-carbonate veins reveal past ocean chemistry

Hydrothermal calcium-carbonate veins reveal past ocean chemistry
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DOI:
10.1016/j.trac.2011.02.011
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发表时间:
2011-09
期刊:
Trends in Analytical Chemistry
影响因子:
--
通讯作者:
R. Coggon;D. Teagle
R. Coggon;D. Teagle
中科院分区:
其他
文献类型:
--
作者:
R. Coggon;D. Teagle

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过去的海洋化学记录提供了一个基本的地球过程的综合历史,包括其大陆,气候和生命的演变。在这里,我们描述了一个戏剧性的转变,最近在升值的价值和应用的海洋地壳热液过程的研究,它可以用来重建记录过去的海洋化学和破译过去的变化,全球条件负责这些记录中的任何变化。特别是,我们描述了一个最近开发的方法,用于确定过去的海水阳离子比率使用热液碳酸钙脉沉淀的海水衍生的流体在上大洋地壳。
Records of past ocean chemistry provide an integrated history of fundamental Earth processes, including the evolution of its continents, climate, and life. Here, we describe a recent dramatic shift in appreciation of the value and the application of studies of ocean crustal hydrothermal processes, which can be used to both reconstruct records of past ocean chemistry and decipher the past changes to global conditions responsible for any variations in these records. In particular, we describe a recently developed method for the determination of past seawater cation ratios using hydrothermal calcium-carbonate veins precipitated from seawater-derived fluids in the upper ocean crust.