Hydrogeochemistry, environmental isotopes and the origin of the Hamamayagi-Ladik thermal spring (Samsun, Turkey)

Gültekin, Fatma; Hatipoglu, Esra; Ersoy, Arzu Fırat

doi:10.1007/s12665-010-0621-4

Cited by 22 publications

(3 citation statements)

References 13 publications

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“…Consequently, the shallow circulation of groundwater probably results in a short residence time, whereas long residence times may be related to deep groundwater circulation [34]. Thus, we can infer that the Group I samples occur in the shallow cold aquifer related to the local groundwater system, whereas the thermal springs of Group II rising from the deep groundwater system are recharged by deeply circulating meteoric water and are heated by the geothermal reservoir.…”

Section: Source Of Rechargementioning

confidence: 95%

Hydrogeochemistry and Genesis Analysis of Thermal and Mineral Springs in Arxan, Northeastern China

Zhang

Cui

et al. 2017

Water

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Abstract:In this work, the hydrogeochemistry and environmental isotopic compositions of thermal and mineral springs in Arxan, northeastern China, were used to assess the genesis of the thermal system hosted by deep-seated faults. The reservoir temperature was calculated using the mineral saturation index and geothermometers. According to isotopic analysis, the spring water was of meteoric origin. Sixteen springs in the Arxan geothermal system with outlet temperatures ranging from 10.9 to 41.0 • C were investigated. The water samples can be classified into four groups by using a Piper diagram. The aquifer in which the Group I and Group III samples were obtained was a shallow cold aquifer of the Jurassic system, which is related to the local groundwater system and contains HCO 3 -Ca·Na groundwater. The Group II and Group IV samples were recharged by deeply circulating meteoric water with HCO 3 -Na and HCO 3 ·SO 4 -Na·Ca groundwater, respectively. The springs rise from the deep basement faults. The estimated thermal reservoir temperature is 50.9-68.8 • C, and the proportion of shallow cold water ranges from 54% to 87%. A conceptual flow model based on hydrogeochemical results and hydrogeological features is given to describe the geothermal system of the Arxan springs.

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Section: Source Of Rechargementioning

confidence: 95%

Hydrogeochemistry and Genesis Analysis of Thermal and Mineral Springs in Arxan, Northeastern China

Zhang

Cui

et al. 2017

Water

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“…5), which δ 34 S values resembling to arc volcanic magmas typically in a range between 0 and 10‰ (Ueda and Sakai 1984). On the other hand, elevated HCO3in High-HCO3fluid may be originated of CO2 gas released from some heat sources that was dissolved in waters and preferentially transported towards surface leaving SO2 and other gasses (e.g., Ohsawa et al 2002;Gultekin et al 2011). The use of δ 13 C tracer in dissolved inorganic carbon can provide clue to test this hypothesis (Chiodini et al 2000;Yamada et al 2011;Rive et al 2013).…”

Section: Deep Fluid Upwellingmentioning

confidence: 99%

Deep Crustal Fluid Upwelling through Structural Pathways Observed from Non-active Volcanic Regions, Western Kumamoto, Japan

Hosono

Yamanaka

2021

Preprint

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Natural springs containing volcanic and magmatic components occur along major volcano-seismotectonic regions over the worlds. However, features of the deep-originated waters were less documented from regions where active volcanic and magmatic activities are not distributed. To characterize the presence of deep fluids of non-volcanic origin 28 groundwater samples (~ 1,230 m deep) were collected from hot spring sites located at western coast of Kumamoto where the typical subduction related magmatisms are absent. The samples were measured for dissolved ion concentrations and stable isotope ratios (δ2HH2O, δ18OH2O, δ13CDIC and δ34SSO4) that were compared with data of 33 water samples from vicinity surface systems. The groundwaters were classified into three types based on major hydrochemistry: high Cl− fluid, low concentration fluid, and high HCO3− fluid. Our dataset suggests that the high Cl− fluid was formed by saline water mixing with aquifer waters of meteoric origin and subsequently evolved by reverse cation exchange. The low concentration fluid is identical to regional aquifer water of meteoric origin that was subjected to cation exchange. The high HCO3− fluid showed the highest HCO3− concentrations (~ 3,888 mg/l) with the highest δ13CDIC (-1.9‰). Taking recent geophysical mappings under the study area, we suggest that dissolved carbon was of mantle origin and fluids with high HCO3− generated in lower crust were transported towards surface through structural weakness under open tectonic setting. Observed δ2HH2O and δ18OH2O shifts support this scenario. The occurrence of deep crustal fluid discharges was sporadic and limited in surface in the study area. Their impacts on surface hydrological systems were minimal except few locations.

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“…Since the fossils in the study were found incidentally from the coal mines in that region, there is little information about the exact locality and stratigraphic level. Although there are various studies on the geology of the region (such as Öztürk, 1979;Aktimur et al, 1992;Gültekin et al, 2011), there is not enough study on the Quaternary.…”

Section: Localitymentioning

confidence: 99%

First Mammuthus findings from Samsun district (Türkiye)

Albayrak

2022

Bull.Min.Res.Exp.

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Located between Africa, Asia and Europe, Anatolia is a crossroads for the migration of many mammals such as elephantids. For this reason, important fossils belonging to different species of elephantids were found from various localities. In this study, mammoth molars found in Samsun-Ladik were examined. As a result of the examination, M. meridionalis and M. trogontherii were identified for the first time from this region. Although the number of fossils examined is very small, the results obtained are very important as Mammuthus was identified for the first time from Samsun. When considered together with the Mammuthus species identified from Anatolia so far, the results obtained from Samsun will provide information about the distribution of the Mammuthus genus in Anatolia and the changes it has undergone.

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Hydrogeochemistry, environmental isotopes and the origin of the Hamamayagi-Ladik thermal spring (Samsun, Turkey)

Cited by 22 publications

References 13 publications

Hydrogeochemistry and Genesis Analysis of Thermal and Mineral Springs in Arxan, Northeastern China

Hydrogeochemistry and Genesis Analysis of Thermal and Mineral Springs in Arxan, Northeastern China

Deep Crustal Fluid Upwelling through Structural Pathways Observed from Non-active Volcanic Regions, Western Kumamoto, Japan

First Mammuthus findings from Samsun district (Türkiye)

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