Hydrogeochemical similarities and differences between high temperature geothermal systems with similar geologic settings in the Buyuk Menderes and Gediz Grabens of Turkey

Basit Öğe Kaydı
dc.WoS.categoriesEnergy & Fuels; Geosciences, Multidisciplinaryen_US
dc.authorid0000-0002-9469-8870en_US
dc.contributor.authorHaklıdır, Füsun Servin Tut
dc.contributor.authorŞengün, Raziye
dc.date.accessioned2020-12-22T09:41:08Z
dc.date.available2020-12-22T09:41:08Z
dc.date.issued2020-01
dc.description.abstractThe Buyuk Menderes Graben (BMG) and the Gediz Graben (GG) are two major graben systems and they have important medium-high temperature geothermal systems, with suitable reservoir temperatures (e.g. 170-276 degrees C) for electricity production such as Kizildere (Denizli city), Germencik, Salavath, Pamukoren (Aydin city) in the BMG and Alsehir (Manisa city) in the GG. These high temperature geothermal systems are located in a highly fractured zone because of the Aegean Extensional Zone effect. Although the main reservoir rocks retain similar compositions for each graben system, the geothermal fluids chemistry characterization can vary along the BMG and GG as a result of differing variables such as a paleo sea effect, the concentration of non-condensable gases (NCG), as well as mineral effects. The water chemistry results and delta O-18-delta D isotope values show remarkable differences within the Germencik and Kizildere systems along the BMG, while the main reservoir rocks are of a similar composition. Chemical, isotope compositions and pH values of thermal waters in Alasehir differ from those in the BMG geothermal systems. Results for delta C-13 isotopes indicate that the origin of the large amounts of CO2 is the marble in metamorphic rocks in the reservoirs in both graben systems. delta S-34, delta S-34- SO4 and delta O-18-SO4 values indicate that the origin of SO4 indicates gypsum and also bacteria effect in the eastern part of the BMG, while different mechanisms such as; oxidation of sulfur, pH, temperature and possible buffer mineral effects on H2S dissolution to the west of the BMG and GG display a greater impact.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1016/j.geothermics.2019.101717en_US
dc.identifier.issn1879-3576
dc.identifier.issn0375-6505
dc.identifier.scopus2-s2.0-85071528415en_US
dc.identifier.urihttps://hdl.handle.net/11411/2944
dc.identifier.urihttps://doi.org/10.1016/j.geothermics.2019.101717
dc.identifier.wosWOS:000500050300005en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors2en_US
dc.publisherPergamon-Elsevier Science Ltd.en_US
dc.relation.ispartofGeothermicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectWestern anatoliaen_US
dc.subjectBuyuk Menderes Grabenen_US
dc.subjectGediz Grabenen_US
dc.subjectGeothermal systemsen_US
dc.subjectHydro-geochemistryen_US
dc.subjectStable isotopesen_US
dc.subjectNon-condensable gasesen_US
dc.subjectSulfuren_US
dc.titleHydrogeochemical similarities and differences between high temperature geothermal systems with similar geologic settings in the Buyuk Menderes and Gediz Grabens of Turkeyen_US
dc.typeArticleen_US
dc.volume83en_US

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