Articles | Volume 34, issue 1
https://doi.org/10.5194/ejm-34-19-2022
https://doi.org/10.5194/ejm-34-19-2022
Research article
 | 
21 Jan 2022
Research article |  | 21 Jan 2022

Effect of chlorine on water incorporation in magmatic amphibole: experimental constraints with a micro-Raman spectroscopy approach

Enrico Cannaò, Federica Schiavi, Giulia Casiraghi, Massimo Tiepolo, and Patrizia Fumagalli

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Cited articles

Adam, J. and Green, T. H.: The effects of pressure and temperature on the partitioning of Ti, Sr and REE between amphibole, clinopyroxene and basanitic melts, Chem. Geol., 117, 219–233, 1994. 
Adam, J., Oberti, R., Cámara, F., and Green, T. H.: An electron microprobe, LAM-ICP-MS and single-crystal X-ray structure refinement study of the effects of pressure, melt-H2O concentration and fO2 on experimentally produced basaltic amphiboles, Eur. J. Mineral., 19, 641–655, https://doi.org/10.1127/0935-1221/2007/0019-1750, 2007. 
Benard, A., Koga, K. T., Shimizu, N., Kendrick, M. A., Ionov, D. A., Nebel, O., and Arculus, R. J.: Chlorine and fluorine partition coefficients and abundances in sub-arc mantle xenoliths (Kamchatka, Russia): Implications for melt generation and volatile recycling processes in subduction zones, Geochim. Cosmochim. Ac., 199, 324–350, 2017. 
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Short summary
Detailed knowledge of the mechanisms ruling water incorporation in amphibole is essential to understand how much water can be fixed at upper-mantle conditions by this mineral. We provide the experimental evidence of the Cl effect on the oxo-substitution and the incorporation of water in amphibole. Finally, we highlight the versatility of confocal micro-Raman spectroscopy as an analytical tool to quantify water in amphibole.