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Advances in Geosciences An open-access journal for refereed proceedings and special publications
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Volume 45
Adv. Geosci., 45, 321-333, 2018
https://doi.org/10.5194/adgeo-45-321-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Adv. Geosci., 45, 321-333, 2018
https://doi.org/10.5194/adgeo-45-321-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

  13 Nov 2018

13 Nov 2018

Preliminary 3-D geological models of Los Humeros and Acoculco geothermal fields (Mexico) – H2020 GEMex Project

Philippe Calcagno1, Gwladys Evanno1, Eugenio Trumpy2, Luis Carlos Gutiérrez-Negrín3, José Luis Macías4, Gerardo Carrasco-Núñez5, and Domenico Liotta6 Philippe Calcagno et al.
  • 1Geothermal Division, BRGM, Orléans, 45060 cedex 2, France
  • 2Institute of Geosciences and Earth Resources, CNR, Pisa, 56124, Italy
  • 3Grupo Directivo, CeMIEGeo, Morelia, Michoacán, 58090, Mexico
  • 4Instituto de Geofísica, Universidad Nacional Autónoma de México, Campus Morelia, Michoacán, 58190, Mexico
  • 5Centro de Geociencias, Universidad Nacional Autónoma de México, Campus UNAM Juriquilla, Queretaro, 76230, Mexico
  • 6Department of Earth and Geo-Environmental Sciences, Bari University, Bari, 70125, Italy

Abstract. As part of the GEMex Project, an on-going European-Mexican effort to develop geothermal energy from non-conventional sources, preliminary geological models have been constructed for two sites located in the easternmost region of the Trans-Mexican Volcanic Belt. The first site, Los Humeros, which has produced geothermal electricity for decades, is investigated for its probable superhot geothermal resources. The second site, Acoculco, is a less known but promising area where application of an Enhanced Geothermal System is being studied. In order to have a coherent geological interpretation of both sites, preliminary 3-D models were constructed in a collaborative manner by European and Mexican partners. These models are based on data available at the start of the project, including geological maps, cross-sections and well logs. The data were mainly provided by the Comisión Federal de Electricidad (CFE), and the Mexican Centre for Innovation in Geothermal Energy (CeMIE-Geo consortium). A regional model was developed for each site and an additional local model was constructed for Los Humeros. The preliminary geological models serve as a framework for GEMex work on heat-transport and fluid-flow simulations; they will be updated and refined during the project, using new data and interpretations from ongoing and future field work on geology, geophysics, and geochemistry.

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Geothermal resource is heat energy that can be recovered from underground in the Earth. As part of the European H2020 GEMex project, 3D geological models were constructed for the geothermal sites of Los Humeros and Acoculco in Mexico. These models allow a better understanding of the rock types and structure when targeting deep sources of geothermal energy; they will be updated during the project, serving as a framework for simulating the geothermal system.
Geothermal resource is heat energy that can be recovered from underground in the Earth. As part...
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