...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Earth and Planetary Science Letters: A Letter Journal Devoted to the Development in Time of the Earth and Planetary System >Comment on “Iron isotope fractionation during planetary differentiation” by S. Weyer et al., Earth Planet. Sci. Lett. V240, pages 251–264
【24h】

Comment on “Iron isotope fractionation during planetary differentiation” by S. Weyer et al., Earth Planet. Sci. Lett. V240, pages 251–264

机译：评论S. Weyer等人的《地球分化过程中的铁同位素分馏》，《地球行星》。科学来吧V240，第251–264页

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A review of published Fe isotope compositions measured for mantle xenoliths and massif-type peridotites demonstrates that the Fe isotope composition of the “mantle” is highly heterogeneous as compared to the narrow Fe isotope range measured for basaltic rocks. The greatest isotopic heterogeneity exists for samples derived from the lithospheric mantle, whereas basalts largely record the isotopic compositions of the asthenospheric mantle. These published Fe isotope data show that the variability measured in mantle samples is too large to be used to accurately determine a planetary Fe isotope composition, and, contrary to the assertions of Weyer et al. [S. Weyer, A. Anbar, G. Brey, C. Münker, K. Mezger, A. Woodland, Iron isotope fractionation during planetary differentiation. Earth Planet. Sci. Lett. 240 (2005) 251–264], there is no evidence that the bulk terrestrial mantle has a different Fe isotope composition relative to terrestrial basaltic magmas. We contend that similar rock types must be compared (i.e., basalt–basalt) when considering possible inter-planetary Fe isotope differences.
机译：对已发表的针对地幔异种岩和地块型橄榄岩的Fe同位素组成的综述表明，与针对玄武岩的狭窄Fe同位素范围相比，“地幔”的Fe同位素组成高度不均一。来自岩石圈地幔的样品存在最大的同位素异质性，而玄武岩在很大程度上记录了软流圈地幔的同位素组成。这些已发表的铁同位素数据表明，在地幔样品中测得的变异性太大，无法用来准确确定行星状铁同位素组成，这与韦耶尔等人的断言相反。 [S. Weyer，A。Anbar，G。Brey，C。Münker，K。Mezger，A。Woodland，行星分化过程中的铁同位素分馏。地球行星。科学来吧240（2005）251–264]，没有证据表明相对于陆基玄武岩浆，大陆陆幔具有不同的铁同位素组成。我们认为，在考虑可能的行星际铁同位素差异时，必须比较相似的岩石类型（即玄武岩-玄武岩）。

著录项

相似文献

  • 外文文献
  • 中文文献
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号