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Journals / Maden Tetkik ve Arama Dergisi / 2019 / Cilt: 160 - Sayı: 160

Rare earth elements and yttrium geochemistry of the geothermal fields in the Eastern Black Sea Region (Ordu, Rize, Artvin), NE Turkey

Esra HATİPOĞLU TEMİZEL
Fatma GÜLTEKİN
Arzu FIRAT ERSOY
Pages
135–153
Publication Date
2019-12-27
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

According to the thermodynamic calculations, it was determined that the mobility of the REEs in geothermal fields were mainly controlled by Ln3+, LnOH2+, LnCl2+, Ln(SO ) -, LnSO +, LnHCO 2+, Ln(CO ) - and LnCO + complexes.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, behavior and migration processes of rare earth elements (REEs) were determined in the thermal and cold waters of the geothermal fields in the Eastern Black Sea Region.The temperatures of the geothermal waters are between the range of 38 and 60 °C.
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Key Findings & Data:The water types are Na-Ca-SO4 for Sarmaşık (Ordu) field, Na-Ca-HCO3 for Ikizdere (Rize) field, Na-Ca-CO3-SO4, for Ayder (Rize) field and Na-HCO3-Cl for Savsat (Artvin) field.
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Conclusion & Impact:According to the thermodynamic calculations, it was determined that the mobility of the REEs in geothermal fields were mainly controlled by Ln3+, LnOH2+, LnCl2+, Ln(SO ) -, LnSO +, LnHCO 2+, Ln(CO ) - and LnCO + complexes.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Geothermal water · REE geochemistry · Hydro geochemistry

Abstract

In this study, behavior and migration processes of rare earth elements (REEs) were determined in the thermal and cold waters of the geothermal fields in the Eastern Black Sea Region.The temperatures of the geothermal waters are between the range of 38 and 60 °C. The water types are Na-Ca-SO4 for Sarmaşık (Ordu) field, Na-Ca-HCO3 for Ikizdere (Rize) field, Na-Ca-CO3-SO4, for Ayder (Rize) field and Na-HCO3-Cl for Savsat (Artvin) field. All geothermal fields are in alkaline geothermal character (pH: 7-9.3) and have very low REE + Y concentrations, slightly significant Ce contens and significantly positive Eu anomalies (except for Ayder geothermal field). REE+Y content, fractionation and positive Eu anomalies of the investigated water are controlled by water/rock ratio, pH and minerals in the host rocks. According to the thermodynamic calculations, it was determined that the mobility of the REEs in geothermal fields were mainly controlled by Ln3+, LnOH2+, LnCl2+, Ln(SO ) -, LnSO +, LnHCO 2+, Ln(CO ) - and LnCO + complexes.

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Cite This Article

TEMİZEL, E. H., GÜLTEKİN, F., ERSOY, A. F. (2019). Rare earth elements and yttrium geochemistry of the geothermal fields in the Eastern Black Sea Region (Ordu, Rize, Artvin), NE Turkey. Maden Tetkik ve Arama Dergisi, Cilt: 160 - Sayı: 160, 135–153. https://ajindex.com/articles/53892

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