Experimental partitioning of F and Cl between olivine, orthopyroxene and silicate melt at Earth's mantle conditions
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- 作者：Bastian Joachima ; b ; bastian.joachim@uibk.ac.at" class="auth_mail" title="E-mail the corresponding author ; Alison Pawleyb ; Ian C. Lyonb ; Katharina Marquardt (neé ; Hartmann)c ; d ; Torsten Henkelb ; Patricia L. Clayb ; Lorraine Ruzié ; b ; Ray Burgessb ; Christopher J. Ballentinea
- 关键词：Halogen ; Fluorine ; Chlorine ; Partitioning ; Earth's mantle ; Recycling ; TOF-SIMS ; Olivine ; Pyroxene ; Forsterite ; Mid Ocean Ridge Basalt (MORB) ; Ocean Island Basalt (OIB)
- 刊名：Chemical Geology
- 出版年：2015
- 出版时间：27 November 2015
- 年：2015
- 卷：416
- 期：Complete
- 页码：65-78
- 全文大小：1542 K
文摘
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New experimental data describe the F and Cl partitioning between mantle minerals and melt in MORB and OIB source regions.
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Introduction of a TOF-SIMS technique for measuring halogens
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Halogens are incorporated as point defects in the olivine and orthopyroxene lattice.
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Cl and F are both depleted relative to BSE in the MORB source but equal (Cl) or are greater (F) than BSE in the OIB source.
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Excess F in the OIB source suggests that F and Cl are partially separated during subduction.