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柴达木盆地卤水钾盐迁聚规律与找矿新突破

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文章导航 > 地球学报 > 2024 > 45(5): 643-650

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张永生, 侯献华, 郑绵平, 陈安东, 乜贞, 袁文虎, 施林峰, 宋高, 牛新生, 樊馥, 汪万录, 马宏涛, 王云生, 曾思敏, 商雯君. 2024. 柴达木盆地卤水钾盐迁聚规律与找矿新突破[J]. 地球学报, 45(5): 643-650. doi: 10.3975/cagsb.2024.090201
引用本文: 张永生, 侯献华, 郑绵平, 陈安东, 乜贞, 袁文虎, 施林峰, 宋高, 牛新生, 樊馥, 汪万录, 马宏涛, 王云生, 曾思敏, 商雯君. 2024. 柴达木盆地卤水钾盐迁聚规律与找矿新突破[J]. 地球学报, 45(5): 643-650. doi: 10.3975/cagsb.2024.090201
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ZHANG Yongsheng, HOU Xianhua, ZHENG Mianping, CHEN Andong, NIE Zhen, YUAN Wenhu, SHI Linfeng, SONG Gao, NIU Xinsheng, FAN Fu, WANG Wanlu, MA Hongtao, WANG Yunsheng, ZENG Simin, SHANG Wenjun. 2024. Migration and Accumulation Patterns of Potassium Salts in Brine from the Qaidam Basin and New Breakthroughs in Mineral Exploration. Acta Geoscientica Sinica, 45(5): 643-650. doi: 10.3975/cagsb.2024.090201
Citation: ZHANG Yongsheng, HOU Xianhua, ZHENG Mianping, CHEN Andong, NIE Zhen, YUAN Wenhu, SHI Linfeng, SONG Gao, NIU Xinsheng, FAN Fu, WANG Wanlu, MA Hongtao, WANG Yunsheng, ZENG Simin, SHANG Wenjun. 2024. Migration and Accumulation Patterns of Potassium Salts in Brine from the Qaidam Basin and New Breakthroughs in Mineral Exploration. Acta Geoscientica Sinica, 45(5): 643-650. doi: 10.3975/cagsb.2024.090201
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柴达木盆地卤水钾盐迁聚规律与找矿新突破

  • 1. 中国地质科学院 自然资源部深地科学与探测技术实验室, 北京 100037;

  • 2. 中国地质科学院矿产资源研究所 自然资源部盐湖资源与环境重点实验室, 北京 100037;

  • 3. 青海省柴达木综合地质矿产勘查院, 青海格尔木 816099;

  • 4. 中国地质调查局西宁自然资源综合调查中心, 青海西宁 810000

  • 基金项目:

    本文由自然资源部“高原荒漠区战略性矿产勘查开发技术创新中心”开放研究课题(编号: KFKT20230103)和中国地质调查局地质调查项目(编号: DD20230755)联合资助。获中国地质科学院2023 年度十大科技进展第六名

详细信息
    作者简介: 张永生, 男, 1963 年生。博士, 研究员, 博士生导师。主要从事盐类矿床地质与“油钾兼探”研究。E-mail: zys_601@126.com
    通讯作者: 侯献华, 男, 1972 年生。博士, 正高级工程师。主要从事盐类资源调查评价与古环境研究。E-mail: hxh2858@126.com

  • 中图分类号: P631

Migration and Accumulation Patterns of Potassium Salts in Brine from the Qaidam Basin and New Breakthroughs in Mineral Exploration

  • 1. MNR SinoProbe Laboratory, Chinese Academy of Geological Sciences, Beijing 100037;

  • 2. MNR Key Laboratory of Saline Lake Resources and Environments, Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037;

  • 3. Qaidam Comprehensive Geological and Mineral Exploration Institute of Qinghai Province, Golmud, Qinghai 816099;

  • 4. Xining Center of Natural Resources Comprehensive Survey, China Geological Survey, Xining, Qinghai 810000

More Information
    Corresponding author: HOU Xianhua

    摘要
  • 钾盐是我国大宗紧缺战略性“粮食”矿产, 对保障国家粮食安全具有重要意义。我国钾盐资源具有需求量大、对外依存度高等特点, 寻找新的钾盐矿床、形成新的大型钾盐资源基地刻不容缓。2023 年, 中国地质调查局组织开展青海柴达木盆地钾盐“增储保供”地质调查工作, 在前期对柴达木盆地成盐聚钾规律性认识的基础上, 于柴西北大浪滩—黑北凹地部署实施了“探采一体化”柴钾1 井, 钻获1 021.95 m(井深111.54～1 133.49 m)巨厚松散砂砾储卤层, 全井段抽卤试验获日稳定涌水量8 586 m3/d、水位降深11.3 m、单位涌水量759.89 m3/d·m、氯化钾平均含量为0.54%的高产工业品位“砂砾型”卤水钾矿, 取得了柴达木盆地陆相深层卤水钾盐找矿新突破, 为形成中国新的亿吨级大型钾盐基地夯实了资源基础。
    In China, potash resources are crucial strategic minerals that play a vital role in ensuring national food security.With the significant demand for and high external dependence on potash resources, there is an urgent need to explore new potash deposits and establish new large-scale potash resource bases.In 2023, the China Geological Survey organized geological surveys focusing on “increasing reserves and ensuring the supply” of potash resources in the Qaidam Basin, Qinghai Province.Building on a previous understanding of salt formation and potassium aggregation in the basin, the integrated drilling and exploration project, CK1 well, was successfully executed in Dalangtan–Heibei concave in the northwestern Qaidam Basin.The well penetrated a thick layer of loose sand and gravel brine reservoirs, reaching a depth of 1 021.95 meters (111.54–1 133.49 m).Pumping tests revealed a stable daily water inflow of 8 586 m³/d with a drawdown of 11.3 m and a specific yield of 759.89 m³/d·m.The average content of potassium chloride was 0.53%, representing a high-yield industrial-grade “sand-gravel type” potassium brine deposit.This achievement marks a significant breakthrough in deep-seated terrestrial brine potash resource exploration in the Qaidam Basin, laying a solid foundation for establishing a new billion-ton-scale potash resource base in China.
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收稿日期:  2024-08-07
修回日期:  2024-08-22

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