| 耿万青,田小伟,刘普峰,梅博,杨熙,黄鹏飞.环首都地区地热温泉典型理疗离子特征分析研究[J].地质找矿论丛,2026,41(1):173-181 |
| 环首都地区地热温泉典型理疗离子特征分析研究 |
| Analysis and Research on the Characteristics of Typical Physiotherapy Ions in Geothermal Hot Springs in the Areas Surrounding the Capital |
| 投稿时间：2025-08-04 修订日期：2026-01-16 |
| DOI：10.6053/j.issn.1001-1412.2026.01.016 |
| 中文关键词: 环首都地区 地热流体 理疗离子 氟 偏硅酸 水岩作用 |
| 英文关键词:areas surrounding the capital geothermal fluid physiotherapy ions fluoride metasilicic acid water-rock interaction |
| 基金项目:河北省山区地热温泉资源特征及开发利用前景研究项目（13000024P00329410311X）资助。 |
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| 中文摘要: |
| 为阐明环首都地区地热温泉中具理疗价值的优势离子（氟、偏硅酸、锂和锶）的富集规律及其控制机制，本研究系统分析不同热储类型下离子空间分异特征，揭示其水文地球化学成因，为地热医疗资源开发提供科学依据。基于山区与平原典型地热田水质数据，采用水化学统计及Na-K-Mg三角图解析水-岩相互作用过程；结合离子与溶解性总固体、水温的相关性，探讨理疗离子的赋存机制。结果表明：高浓度氟离子多分布于酸性侵入岩或变质岩热储；平原区氟离子随溶解性总固体升高呈负相关。偏硅酸在侵入岩、变质岩热储含量较高且不受溶解性总固体或温度影响；碳酸盐岩及平原蓟县系热储中随溶解性总固体或温度升高而增长。蓟县系热储为锂、锶离子富集热储。此外，岩性控氟理论分析，萤石溶解主导氟离子释放，碳酸盐岩中钙离子则抑制其溶解；水岩作用程度>80%水样处于未成熟-部分平衡状态，深循环高温促进锂、锶从云母、天青石中释放。平原区远源径流导致氟离子吸附衰减，而溶解性总固体升高推动偏硅酸、锂、锶离子的富集。环首都地热理疗离子受热储岩性、水岩作用强度及水文路径协同控制。侵入岩或变质岩区为优质氟硅复合医疗泉；平原蓟县系热储具锂锶提取潜力，但需人工增锶以满足理疗浓度需求。该成果为靶向开发医疗地热资源奠定了水文地球化学基础，助力构建环首都健康医养产业建设。 |
| 英文摘要: |
| To clarify the enrichment patterns and controlling mechanisms of therapeutic ions (fluoride, metasilicic acid, lithium, strontium) in geothermal springs around the capital region, this study systematically analyzes the spatial differentiation characteristics of ions under different reservoir types, revealing their hydrogeochemical origins and providing a scientific basis for the development of geothermal medical resources. Based on water-quality data from typical geothermal fields in mountainous and plains areas, the study uses hydrochemical statistics and Na-K-Mg ternary diagrams to analyze water-rock interaction processes. By examining correlations among ions, total dissolved solids (TDS), and water temperature, the study explores the mechanisms underlying the occurrence of therapeutic ions. The results indicate that high concentrations of fluoride ions are mostly distributed in acid intrusive or metamorphic rock reservoirs. In plain areas, fluoride ions show a negative correlation with increasing TDS. Metasilicic acid content is higher in intrusive and metamorphic rock reservoirs and is not influenced by TDS or temperature, whereas in carbonate rock and Jixian Formation reservoirs in the plain, it increases with higher TDS or temperature. Lithium and strontium ions are enriched in the deep Jixian Formation reservoirs of the plain, forming a core of lithium-strontium ion concentration. Additionally, lithology-controlled fluoride analysis shows that fluorite dissolution dominates fluoride ion release, while calcium ions in carbonate rocks inhibit its dissolution; the degree of water-rock interaction is >80 %, with water samples in an immature-to-partially balanced state, and deep high-temperature circulation promotes lithium and strontium release from mica and glauconite. Long-distance runoff in plain areas leads to attenuation of fluoride ions, whereas increasing TDS promotes enrichment of metasilicic acid, lithium, and strontium ions. Therapeutic ions in geothermal waters around the capital region are jointly controlled by reservoir lithology, the intensity of water-rock interaction, and hydrological pathways. Intrusive or metamorphic rock areas serve as high-quality fluoride-silica composite medical springs; plain Jixian Formation reservoirs have potential for lithium and strontium extraction but require artificial strontium supplementation to meet therapeutic concentration requirements. These findings provide a hydrogeochemical foundation for the targeted development of medical geothermal resources and support the construction of a health care industry around the capital. |
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