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Chemical Geothermometry And Fluid-Mineral Equilibria For The Omer-Gecek Thermal Waters, Afyon Area, Turkey
Abstract Thermal waters of the omer-Gecek geotherma
Thermal waters of the omer-Gecek geothermal field, Turkey, with temperatures ranging from 32 to 92°C vary in chemical composition and TDS contents. They are generally enriched in Na-Cl-HCO3 and suggest deep water circulation. Silica and cation geothermometers applied to the omer-Gecek thermal waters yield reservoir temperatures of 75-155°C. The enthalpy-chloride mixing model, which approximates a reservoir temperature of 125°C for the omer-Gecek field, accounts for the diversity in the chemical composition and temperature of the waters by a combination of processes including boiling and conductive cooling of deep thermal water and mixing of the deep thermal water with cold water. It is also determined that the solubility of silica in most of the waters is controlled by the chalcedony phase. Equilibrium states of the omer-Gecek thermal waters studied by means of the Na-K-Mg triangular diagram, Na-K-Mg-Ca diagram, K-Mg-Ca geoindicator diagram, activity diagrams in the systems composed of Na2O-CaO-K2O-Al2O3-SiO2-CO2-H2O phases, log SI diagrams, and finally the alteration mineralogy indicate that most of the spring and low-temperature well waters in the area can be classified as shallow or mixed waters which are likely to be equilibrated with calcite, chalcedony and kaolinite at predicted temperature ranges similar to those calculated from the chemical geothermometers. It was also observed that mineral equilibrium in the omer-Gecek waters is largely controlled by CO2 concentrations.
largely controlled by CO2 concentrations.  +
Author Halim Mutlu  +
Citation Halim Mutlu. 1998. [[Chemical Geothermom
Halim Mutlu. 1998. [[Chemical Geothermometry And Fluid-Mineral Equilibria For The Omer-Gecek Thermal Waters, Afyon Area, Turkey]]. Journal of Volcanology and Geothermal Research. <span title="Missing required info" style="font-weight:bold;color:red;">(!)[[Category:Missing Required Information]]</span> .
sing Required Information]]</span> .  +
Document type Journal Article  +
Name Chemical Geothermometry And Fluid-Mineral Equilibria For The Omer-Gecek Thermal Waters, Afyon Area, Turkey  +
PublicationDate 1998  +
Publisher Journal of Volcanology and Geothermal Research  +
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Chemical Geothermometry And Fluid-Mineral Equilibria For The Omer-Gecek Thermal Waters, Afyon Area, Turkey + , Chemical Geothermometry And Fluid-Mineral Equilibria For The Omer-Gecek Thermal Waters, Afyon Area, Turkey +
Categories References , Missing Required Information
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03:08:44, 19 September 2014  +
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