 | Guisseau, D., Mas, P. P., Beaufort, D., Girard, J. P., Inoue, A., Sanjuan, B., Petit, S., Lens, A., Genter, A. (2007) Significance of the depth-related transition montmorillonite-beidellite in the Bouillante geothermal field (Guadeloupe, Lesser Antilles) American Mineralogist, 92 (11) 1800-1813 doi:10.2138/am.2007.2398 | Journal (article/letter/editorial) | | montmorillonite-beidellite in the Bouillante geothermal field (Guadeloupe, Lesser Antilles) Delphine Guisseau...Poitiers Cedex, France 2 BRGM, 40 Avenue Claude Guillemin, BP 6009, 45060 Orléans Cedex, France 3 Department...chemistry of dioctahedral smectites in high-enthalpy geothermal systems were investigated through samples collected...collected in two wells drilled in the Bouillante geothermal area to understand the factors that control...beidellitic smectite precipitated from the hot geothermal fluid associated with minor amounts of residual |  | Vidal, Jeanne, Patrier, Patricia, Beaufort, Daniel, Maza, Santiago, Rivera, Germain, Volpi, Gianni, Morata, Diego (2022) Clay Minerals in the Deep Reservoir of the Cerro Pabellón Geothermal System (Northern Chile) Minerals, 12 (10) 1244 doi:10.3390/min12101244 | Journal (article/letter/editorial) | | Minerals in the Deep Reservoir of the Cerro Pabellón Geothermal System (Northern Chile) Jeanne Vidal 1, * , Patricia...Minerals in the Deep Reservoir of the Cerro Pabellón Geothermal System (Northern Chile). Minerals 2022, 12, 1244...3390/ min12101244 Department of Geology, Andean Geothermal Center of Excellence (CEGA), Facultad de Ciencias...UMR 7285, University of Poitiers, 86073 Poitiers, France ENEL Green Power Chile and Andean Countries, Santiago...alteration, and more specifically clays, in the geothermal reservoir of Cerro Pabellón in Andean Cordillera |  | | Journal (article/letter/editorial) | | chemical composition. These data are precious in geothermal exploration and in the study of hydrothermal...reconstruction of a conceptual model of both active (geothermal systems) and fossil (hydrothermal ore deposits)...hydrothermal alteration zoneography of active geothermal systems, is well evidenced in the examples shown...Cerro Prieto (redrawn from Elders et al. [36]) geothermal fields. from Cathelineau et al. [35]) and (b)...Cerro Prieto (redrawn from Elders et al. [36]) geothermal fields. 3. Hydrothermal Alteration Alteration |  | | Journal (article/letter/editorial) | | avenue de Bois Préau, 92852 Rueil-Malmaison Cedex, France e-mail: teddy.parra@ifpen.fr F. Bourdelle C....supérieure – CNRS, 24 rue Lhomond, 75231 Paris Cedex 05, France Present Address: F. Bourdelle (&) O. Beyssac...courrier 115, 4 Place Jussieu, 75252 Paris Cedex 05, France e-mail: franck.bourdelle@gmail.com content. This...alteration zones: the epidote ? chlorite ? quartz assemblage zone (zone 2), the epidote ? chlorite ? haematite...from hydrothermally altered rocks in the Toyoha geothermal system, south-western Hokkaido, Japan, from the |  | | Journal (article/letter/editorial) | | Université Lille 1, 59655 Villeneuve d’Ascq, France CNRS, CREGU, GeoRessources Laboratory, Université...Université de Lorraine, 54506 Vandœuvre-lès-Nancy, France *Corresponding author, e-mail: franck.bourdelle@univ-lille1...analyses: each set must refer to a defined geological field while covering a wide compositional range or a large...XAl;oct X½ ðXSi Þ XAl;tet Fig. 1. Projection field (R2þ–Si diagram) for chlorite compositions after...representative of the most complete T–composition field. The chlorites considered in Fig. 3 were extracted |  | Escobedo, David, Patrier, Patricia, Beaufort, Daniel, Gibert, Benoit, Levy, Léa, Findling, Nathaniel, Mortensen, Annette (2021) Contribution of the Paragenetic Sequence of Clay Minerals to Re-Examination of the Alteration Zoning in the Krafla Geothermal System. Minerals, 11 (9) 935 doi:10.3390/min11090935 | Journal (article/letter/editorial) | | Re-Examination of the Alteration Zoning in the Krafla Geothermal System David Escobedo 1,2 , Patricia Patrier...Re-Examination of the Alteration Zoning in the Krafla Geothermal System. Minerals 2021, 11, 935. https://doi.org/10...Eugène Bataillon, CEDEX 05, 34095 Montpellier, France; davidesco@hotmail.com (D.E.); benoit.gibert@umontpellier...Michel Brunet, TSA 51106, CEDEX 9, 86073 Poitiers, France; daniel.beaufort@univ-poitiers.fr ÍSOR—Iceland...Université Gustave Eiffel, CNRS, IRD, F-38000 Grenoble, France; Nathaniel.Findling@univ-grenoble-alpes.fr Landsvirkjun |  | | Journal (article/letter/editorial) | | Génie Civil et Géo-Environnement, F-59000 Lille, France; franck.bourdelle@univ-lille.fr ...diagenetic, and hydrothermal systems with a broad field of stability and a chemical composition partly dependent...and gas windows”) for decades, or geothermal energy (deep geothermal energy) in the context of ecological...present in all geological contexts, has a wide field of stability (from 80 ◦ C to more than 700 ◦ C)...to offer a reliable geothermometer with a wide field of applicability (in terms of chlorite compositions) |  | | Journal (article/letter/editorial) | | illite-smectite, smectite, calcite, hematite, and minor epidote. Many of these minerals have zoned distributions;...discrete zone below adularia at Scotia, and minor epidote is restricted to Sovereign and Jubilee. Illite... Although the former method is very useful for field mapping, the recognition and delineation of associations...of different minerals at different times. In geothermal fields, the active analogues of some epithermal...hydrothermal alteration has been broadly determined from field mapping based on limited outcrops (Brathwaite and |  | Glaas, Carole, Patrier, Patricia, Vidal, Jeanne, Beaufort, Daniel, Genter, Albert (2021) Clay Mineralogy: A Signature of Granitic Geothermal Reservoirs of the Central Upper Rhine Graben. Minerals, 11 (5) 479 doi:10.3390/min11050479 | Journal (article/letter/editorial) | | Article Clay Mineralogy: A Signature of Granitic Geothermal Reservoirs of the Central Upper Rhine Graben... A. Clay Mineralogy: A Signature of Granitic Geothermal Reservoirs of the Central Upper Rhine Graben...Strasbourg, France Department IC2MP UMR 7285, University of Poitiers, 86073 Poitiers, France; patricia...ES-Géothermie, 67450 Mundolsheim, France; albert.genter@es.fr Andean Geothermal Center of Excellence (CEGA)...Paleozoic granitic basement. In the new Illkirch geothermal well, GIL-1, drill-cuttings were studied with |  | Vidal, O., Baldeyrou, A., Beaufort, D., Fritz, B., Geoffroy, N., Lanson, B. (2012) Experimental Study of the Stability and Phase Relations of Clays at High Temperature in a Thermal Gradient. Clays and Clay Minerals, 60 (2) 200-225 doi:10.1346/ccmn.2012.0600209 | Journal (article/letter/editorial) | | rue de la piscine, BP 53, 38041 Grenoble Cedex, France 2 CNRS, Université de Strasbourg/EOST, LHYGES...LHYGES, 1 rue Blessig, 67084 Strasbourg Cedex, France 3 CNRS, Université Poitiers, Hydrasa, 40 avenue du recteur...recteur Pineau, 86022 Poitiers Cedex, France Abstract—Clays are involved in a variety of natural and...match to some degree those observed in active geothermal systems where clay minerals precipitate from...crystallization temperatures between sedimentary and geothermal settings remain difficult to explain. Vol. |
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