Caractérisation des eaux thermales de l'ensemble Sud sétifien. Est algérien

Boudoukha, Abderrahmane; Athamena, Malika

doi:10.7202/1011602ar

Cited by 13 publications

(6 citation statements)

References 11 publications

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“…The first is superficial with interstitial porosity in the formations of Mio-Pliocene-Quaternary. The second, in carbonate karstified formations and sandstone in permeability fractures which constitute a huge reserve [3][4][5]. (2) The existence of principal fault, which affecting the area from the NW to SE and producing tow hydrothermal system, one on the West and the other one on the East.…”

Section: The Little or No Training Tectonisedmentioning

confidence: 99%

Application of geothermometric and hydrochemical methods to the investigation of thermal water of sources in the Northeastern of Algeria case of Setif city

Djemmal

Khemissi

2022

J.Umm Al-Qura Univ. Appll. Sci.

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Thermal water in northeastern Algeria (Setif) is a promising, sustainable resource of energy. To date, thermal water has not been used as a source of renewable energy in Algeria as no clear strategy has yet been developed for its use. In this study, eight samples of thermal water springs distributed within the area of Setif city were assessed, and their physical and chemical parameters (such as temperature, potential of hydrogen, electrical conductivity, and major ionic composition, including the K+, Na+, Ca2+, Mg2+, Cl−, SO42− and HCO3−) were measured. The results show that the temperature, potential of hydrogen and the electrical conductivity range between 30 and 52 °C (as measured in field), 6.92 and 7.35, and 1170 and 3160 µS/cm, respectively. Furthermore, the results indicate the existence of four hydrogeochemical facies dominating the hydrogeological system, which are SO4–Ca, Na–SO4, HCO3–Na and Cl–Na. The interaction with Jurassic limestone and the existence of evaporates along the upwelling system, respectively, control this. Due to the high variation of temperature, different geothermometers were used to estimate the geothermal reservoir temperature, the application of silica geothermometer (Quartz), because it is the most suitable in our case, gives temperatures estimated at the origin of the order of 80° C. It is higher than that measured at emergence, it reflects an average dissipation of 48° C. According to an analysis of these findings and the geothermal gradient in the area, two aquifer systems of the thermal complex are supplied by a reservoir that is stored in fissured Jurassic limestone that is more than 2600 m deep.

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Section: The Little or No Training Tectonisedmentioning

confidence: 99%

Application of geothermometric and hydrochemical methods to the investigation of thermal water of sources in the Northeastern of Algeria case of Setif city

Djemmal

Khemissi

2022

J.Umm Al-Qura Univ. Appll. Sci.

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“…The sulfate ( ) content of Lilida spring water was 62 mg/L. The major origin of sulfate in water is the dissociation of gypsum, anhydrite (Kumar, 2013) or pyrite (Boudoukha & Athamena, 2012). As the Ituri Province is auriferous, pyrite would be the most probable source of sulfate.…”

Section: Geochemistry and Geochemical Facies Of The Lilida Spring Watermentioning

confidence: 99%

Geochemical Analysis of Lilida geothermal spring

Luse¹,

Makonga²

2019

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Une étude géochimique a été effectuée sur l’eau d’une source géothermale appelé Lilida, située dans la province de l’Ituri, dans la partie nord-est de de la République Démocratique du Congo. Ses objectifs étaient de définir le faciès chimique de ladite eau, de déterminer la nature lithologique de son réservoir et d’estimer la température qu’elle possède dans son réservoir. Les échantillons d’eau ont été prélevés au mois de février de l’année 2017 et soumis à des analyses chimiques et physiques. En plus, les diagrammes de D’Amore et al. (1983), de Giggenbach (1991) et de Piper (1944) ont été élaborés pour obtenir la classification de cette eau thermale. Au terme de cette étude, l’eau de la source Lilida s’est révélée du type bicarbonaté calcosodique. Son facies géochimique étant pour les cations Na+ > Ca2+ > Mg2+ et pour les anions HCO3->SO4=>Cl-. Il s’est avéré que son réservoir était une formation argileuse peu profonde contenant certainement des calcaires dolomitiques et des dérivées des flyschs ou « volcanites ». L’application de la géothermométrie a révélé que l’eau étudiée aurait, dans son réservoir, une température de 45,7 °C. En tant que telle, elle ne peut faire objet que d’une exploitation géothermique basse énergie.

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“…In this context of understanding these hydrothermal systems, the surface sampling of hot springs is problematic due to the mixing of deep hot water with cold surface water, as well as the cooling of the water during ascent and potential re-equilibration with the host rock, both of which alter the geochemical information [13]. Given this challenging context, studies generally focus on local processes in a given hydrothermal system, including pollutants that may affect water quality [14][15][16][17], or concern the investigation of reservoir temperature using geothermometers, the location of recharge zones or water/rock interactions in the reservoir and groundwater mineralization [14,[18][19][20][21][22][23][24][25][26][27][28][29][30][31]. The mineralization and temperature of thermo-mineral waters can be explained by the circulation of groundwater at different depths, but these waters have long been recognized for the stability of their chemical composition and their protection from any risk of surface pollution [14,[25][26][27][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

Regional Hydro-Chemistry of Hydrothermal Springs in Northeastern Algeria, Case of Guelma, Souk Ahras, Tebessa and Khenchela Regions

Djaafri,

Seghir,

Valles

et al. 2024

Earth

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Hydrothermal units are characterized by the emergence of several large-flow thermo-mineral springs (griffons), each with varying temperature and physico-chemical characteristics depending on the point of emergence. It seems, however, that there is variability between the different systems, although it is not easy to characterize it because the variability within each system is high. The regional dimension of the chemical composition of thermal waters is, therefore, an aspect that has received very little attention in the literature due to the lack of access to the deep reservoir. In this study, we investigated the spatial variability, on a regional scale, in the characteristics of thermal waters in northeastern Algeria, and more specifically the hydrothermal systems of Guelma, Souk Ahras, Khenchela and Tébessa. Thirty-two hot water samples were taken between December 2018 and October 2019, including five samples of low-temperature mineral spring water. Standard physico-chemical parameters, major anions and cations and lithium were analyzed. The data were log-transformed data and processed via principal component analysis, discriminant analysis and unsupervised classification. The results show that thermal waters are the result of a mixture of hot waters, whose chemical profile has a certain local character, and contaminated by cold surface waters. These surface waters may also have several chemical profiles depending on the location. In addition to the internal variability in each resource, there are differences in water quality between these different hydrothermal systems. The Guelma region differs the most from the other thermal regions studied, with a specific calcic sulfate chemical profile. This question is essential for the rational development of these regional resources in any field whatsoever.

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Caractérisation des eaux thermales de l'ensemble Sud sétifien. Est algérien

Cited by 13 publications

References 11 publications

Application of geothermometric and hydrochemical methods to the investigation of thermal water of sources in the Northeastern of Algeria case of Setif city

Application of geothermometric and hydrochemical methods to the investigation of thermal water of sources in the Northeastern of Algeria case of Setif city

Geochemical Analysis of Lilida geothermal spring

Regional Hydro-Chemistry of Hydrothermal Springs in Northeastern Algeria, Case of Guelma, Souk Ahras, Tebessa and Khenchela Regions

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