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内蒙古林西县水头萤石矿床地质特征、类型及其开发利用价值

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张彦生, 王亮, 高永璋. 2023. 内蒙古林西县水头萤石矿床地质特征、类型及其开发利用价值[J]. 中国地质, 50(3): 795-805. doi: 10.12029/gc20200715001
引用本文: 张彦生, 王亮, 高永璋. 2023. 内蒙古林西县水头萤石矿床地质特征、类型及其开发利用价值[J]. 中国地质, 50(3): 795-805. doi: 10.12029/gc20200715001
shu
ZHANG Yansheng, WANG Liang, GAO Yongzhang. 2023. Geological characteristics, types and development and utilization value of Shuitou fluorite deposit in Linxi, Inner Mongolia[J]. Geology in China, 50(3): 795-805. doi: 10.12029/gc20200715001
Citation: ZHANG Yansheng, WANG Liang, GAO Yongzhang. 2023. Geological characteristics, types and development and utilization value of Shuitou fluorite deposit in Linxi, Inner Mongolia[J]. Geology in China, 50(3): 795-805. doi: 10.12029/gc20200715001
shu

内蒙古林西县水头萤石矿床地质特征、类型及其开发利用价值

  • 1.

    内蒙古自治区有色地质勘查局一〇八队, 内蒙古 赤峰 024000

  • 2.

    中国地质调查局西安矿产资源调查中心, 陕西 西安 710100

  • 3.

    中钢矿业开发有限公司, 北京 100083

  • 基金项目:
    林西县自然资源局财政项目(LZC-2019-180)资助
详细信息
    作者简介: 张彦生，男，1967年生，高级工程师，主要从事勘查技术与工程专业研究；E-mail: 393454876@qq.com

  • 中图分类号: P619.21+5

Geological characteristics, types and development and utilization value of Shuitou fluorite deposit in Linxi, Inner Mongolia

  • 1.

    No. 108 Team of Nonferrous Geological Exploration Bureau, Inner Mongolia Autonomous Region, Chifeng 024000, Inner Mongolia, China

  • 2.

    Xi'an Center of Mineral Resources Survey, China Geology Survey, Xi'an 710100, Shaanxi, China

  • 3.

    Sinosteel Group Corporation Limited, Beijing 100083, China

  • Fund Project: Supported by the finance project of Linxi County Natural Resources Bureau (No.LZC-2019-180)
More Information
    Author Bio: ZHANG Yansheng, male, born in 1967, senior engineer, mainly engaged in exploration technology and engineering; E-mail: 393454876@qq.com .

    摘要
  • 研究目的

    为了充分合理地开发利用内蒙古水头萤石矿，本文对其矿床地质特征、成因及矿床类型进行了系统的分析。

     研究方法

    本文基于对水头萤石矿床地质特征分析、矿床成因探讨、矿石开发利用现状及潜力分析研究，总结其矿床类型及进一步开发利用价值。

     研究结果

    水头萤石矿床形成于早白垩世，矿体主要赋存于上二叠统林西组凝灰质粉砂岩中，并严格受断裂构造控制，矿床类型为中低温热液充填型脉状萤石矿床；矿区保有资源/储量矿石量1700.48 kt，CaF2平均品位62.27%，CaF2资源量1058864 t，为大型萤石矿床。光谱分析显示矿石中有（益）用组分为CaF2，矿石可浮性较好，通过1次粗选、2次扫选、4次精选可获得CaF2品位97.56%，回收率87.07%的萤石精矿。

     结论

    综合以上分析表明，水头萤石矿床为为断裂控矿、中低温热液充填型脉状萤石矿床。选矿试验表明，水头萤石矿石可浮性较好，属于易选矿石，本矿具有很好的开发利用价值。

    This paper is the result of mineral exploration engineering.

     Objective

    The geological characteristics, genesis and deposit types of Shuitou fluorite deposit are systematically studied to fully and rationally develop and utilize its resources.

     Methods

    Based on the analysis of the geological characteristics, ore genesis and current situation of ore development-utilization, we summarized ore types and development-utilization value of Shuitou fluorite deposit.

     Results

    Shuitou large fluorite deposit was formed in the early Cretaceous, which ore bodies mainly existed in the upper Permain Linxi Formation tuffaceous siltstone. It's a fault-control, medium-low-temperature hydrothermal, fracture-filling type deposit. The reserve resources/reserves of fluorite ores are 1700.48 kt, with a CaF2 average grade 62.27% and CaF2 mineral content of 1058864 t. The spectral analysis shows that useful component is CaF2, and the ore has good floatability and belongs to the easy separation ore. Fluorite concentrate with CaF2 grade 97.56% and recovery rate 87.07% can be obtained by one state rougher, two states scavenger and four states cleaner.

     Conclusions

    The comprehensive analysis indicate that Shuitou large fluorite deposit has good development-utilization value.
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  • 图 1  林西地区大地构造位置图（a）与水头萤石矿床地质简图（b）（底图据张寿庭等, 2014修改）

    Figure 1. 

    下载: 全尺寸图片 幻灯片

    图 2  水头萤石矿床1号勘探线剖面图

    Figure 2. 

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    图 3  萤石矿颜色与矿石结构

    Figure 3. 

    下载: 全尺寸图片 幻灯片

    图 4  萤石矿的矿石构造

    Figure 4. 

    下载: 全尺寸图片 幻灯片

    图 5  林西地区多金属矿床与萤石矿床年龄图谱（据宋开瑞，2019）

    Figure 5. 

    下载: 全尺寸图片 幻灯片

    表 1  矿石光谱半定量分析

    Table 1.  The chemical results of semiquantitative spectrometric analysis

    下载: 导出CSV

    表 2  化学全分析结果（%）

    Table 2.  The chemical results of complete chemical analysis(%)

    下载: 导出CSV

    表 3  组合样分析结果表（%）

    Table 3.  The chemical results of compound samples(%)

    下载: 导出CSV
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收稿日期:  2020-07-15
修回日期:  2020-08-01
刊出日期:  2023-06-25

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