The Composition and Formation Conditions of Nitrogen–Siliceous Thermal Waters of the Amgu Group (Northeast of the Primorsky Krai)

IF 0.9 4区 地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY
I. V. Bragin, A. A. Pavlov, G. A. Chelnokov, V. Yu. Lavrushin, N. A. Kharitonova
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引用次数: 0

Abstract

This article presents new data on the ionic, microcomponent, and isotope compositions of thermal waters of the Amgu group classified as sodium-bicarbonate waters with low mineralization (up to 0.2 g/L), high contents of silica (up to 24 mg/L), lithium, tungsten, and molybdenum, and pH = 8.5–9.7. The influence of neotectonics and Quaternary magmatism on the composition and conditions of formation of nitrogen–siliceous thermal waters is shown. Using δD and δ18O values in thermal and background waters, their atmogenic origin was proved, and the source area of mineral waters was identified. The calculated deep reservoir temperature of 77–81°С indicates the formation of water resources in the crust at significant depths (as much as 2.5 km). The efficiency of using the multicomponent geothermometry method for low-temperature reservoirs is shown.

Abstract Image

阿姆古群(滨海边疆区东北部)含氮硅质热水的成分和形成条件
摘要 本文提供了关于安谷组热液的离子、微量成分和同位素组成的新数据,这些热液被归类为低矿化度(最高 0.2 克/升)、高二氧化硅含量(最高 24 毫克/升)、锂、钨和钼含量、pH = 8.5-9.7 的碳酸氢钠型热液。图中显示了新构造和第四纪岩浆活动对含氮硅质热海水成分和形成条件的影响。利用热水域和背景水域中的δD和δ18O值,证明了它们的大气成因,并确定了矿泉水的源区。计算得出的深层储层温度为 77-81°С ,表明在地壳相当深的地方(多达 2.5 千米)形成了水资源。使用多组分地热测量法测量低温储层的效率可见一斑。
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来源期刊
Russian Journal of Pacific Geology
Russian Journal of Pacific Geology 地学-地球科学综合
CiteScore
1.30
自引率
37.50%
发文量
34
审稿时长
>12 weeks
期刊介绍: Russian Journal of Pacific Geology publishes the results of research on the Earth crust and mantle composition and provides articles on the geological structure and patterns of distribution of mineral deposits in the Pacific Ocean, marginal seas and continental margins. It discusses the topics of stratigraphy, sedimentology, magmatic activity, and seismicity. The journal deals with the problems of lithosphere plates tectonics, and offers the results of neotectonic, geomorphological, geodesic, environmental and mining studies in the Pacific region. The journal accepts theoretical, methodical and philosophical articles covering general issues of geology, geophysics, geochemistry, geoecology and mining. The journal also publishes critical notes and comments, and reviews.
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