Journal Pre-proof Phase segregation, boiling, and reinjection at the Los Azufres Geothermal Field, Mexico, monitored by water stable isotopes, chloride, and enthalpy Sandra Nuñez-Hernández, Daniele L. Pinti, Aída López- Hernández, Orfan Shouakar-Stash, Marco Antonio Martínez- Cinco, Ahmad Abuharara, Mustafa A. Eissa, Maria Clara Castro, Miguel Ramirez-Montes PII: S0377-0273(19)30014-9 DOI: https://doi.org/10.1016/j.jvolgeores.2019.106751 Reference: VOLGEO 106751 To appear in: Journal of Volcanology and Geothermal Research Received date: 14 January 2019 Revised date: 5 December 2019 Accepted date: 6 December 2019 Please cite this article as: S. Nuñez-Hernández, D.L. Pinti, A. López-Hernández, et al., Phase segregation, boiling, and reinjection at the Los Azufres Geothermal Field, Mexico, monitored by water stable isotopes, chloride, and enthalpy, Journal of Volcanology and Geothermal Research(2018), https://doi.org/10.1016/j.jvolgeores.2019.106751 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2018 Published by Elsevier.