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The Geochemistry of the Mineral Waters and Hydrogenic Sediments of the Antonovsky Hydrosulfuric Mineral Spring, Sakhalin Island
Russian Journal of Pacific Geology ( IF 0.8 ) Pub Date : 2020-12-10 , DOI: 10.1134/s1819714020060020
G. A. Chelnokov , I. V. Bragin , N. A. Kharitonova , K. Yu. Bushkareva , V. Yu. Lavrushin , R. V. Zharkov , B. I. Chelnokova , A. A. Karabtsov

Abstract

Original data on the isotope and chemical compositions of mineral springs, cold ground and surface waters, as well as hydrogenic deposits of the Antonovsky manifestation of hydrosulfuric mineral waters (the coast of the Tatar Strait, Sakhalin Island), are presented. The data on the contents of oxygen and hydrogen isotopes in ground and surface waters, as well as the volumetric activity of radon and rare-earth elements are obtained for the first time. Based on automatic monitoring of the physical parameters of the mineral water, its hydrogeological characteristics are determined and balneological properties are assessed. It is found that the mineral waters of the spring are weakly alkaline, hydrocarbonic–chloride calcium–sodium with total dissolved solids (TDS) of up to 1 g/L. According to the isotope data, the genesis of the waters is atmospheric and the circulation time is less than 60 years. The gas composition is dominated by nitrogen of atmospheric genesis (δ15N = 0.0). High contents of organic carbon (Corg = 56.6 mg/L) are explained by the processes of interaction between groundwater and organic matter in water-bearing rocks. When organic matter is decomposed in the presence of sulfates and without access to oxygen, hydrosulfuric acid is released, producing several intermediate and stable sulfur compounds in hydrogenic sediments and bacterial mats. Elemental, sulfide, and sulfate forms of sulfur have been detected in the bottom sediments and in the new formations of the mineral spring, using electron microscopy. The interaction of waters with organic matter of rocks plays a significant role in the formation of the elemental composition of hydrogenic and biogenic deposits of the Antonovsky hydrosulfuric mineral spring and their enrichment with such metals as Zn, Ge, As, Sr, Ba, U, and Th. One characteristic feature of the mineral waters is the presence of a markedly pronounced positive europium anomaly, which is typical of waters with low Eh values.



中文翻译:

萨哈林岛安东诺夫斯基氢硫矿物泉矿泉水和水生沉积物的地球化学

摘要

给出了有关矿泉,寒冷的地面和地表水的同位素和化学组成以及氢硫矿泉水(萨哈林岛塔塔尔海峡海岸)的Antonovsky表现形式的氢沉积物的原始数据。首次获得了地下水和地表水中氧和氢同位素含量以及of和稀土元素的体积活性数据。在自动监测矿泉水物理参数的基础上,确定其水文地质特征并评估古生物性质。发现春季的矿泉水是弱碱性的碳氢化合物-氯化钙-钠,总溶解固体(TDS)高达1 g / L。根据同位素数据,水的成因是大气,循环时间少于60年。气体成分以大气成因氮(δ15 N = 0.0)。高有机碳含量(C org= 56.6 mg / L)是由含水岩中地下水与有机物之间的相互作用过程解释的。当有机物在硫酸盐的存在下分解而无法接触氧气时,会释放出氢硫酸,从而在氢沉积物和细菌垫中产生几种中间体和稳定的硫化合物。使用电子显微镜,已在底部沉积物和矿泉的新地层中检测到元素形式的硫,硫化物和硫酸盐形式的硫。水与岩石有机质的相互作用在Antonovsky氢硫矿物泉水的氢和生物成因元素的形成以及富含锌,锗,砷,锶,钡,铀,和Th。

更新日期:2020-12-10
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