中国铯矿成矿规律概要
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中国地质科学院矿产资源研究所

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中国地质调查局项目“全国矿产资源潜力动态评价(2019-2021)”(DD0190193、DD20221694)资助.


Metallogenic regularity of caesium deposits in China
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1.MNR Key Laboratory of Metallogeny and Mineral Assessment,Institute of Mineral Resources,CAGS,Beijing,100037;2.China

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    摘要:

    【研究目的】文章对中国铯矿资源特征、铯矿类型、时空分布、成矿谱系进行分析与归纳,初步总结了中国铯矿成矿规律。【研究方法】文章对中国铯矿的资源特征进行了介绍;划分了铯矿类型,对铯矿形成时代和空间分布进行了统计。【研究结果】将中国铯矿划分为花岗岩型、花岗伟晶岩型、岩浆热液型、盐湖型、卤水型、硅华型、花岗岩风化壳型等7大预测类型,初步总结了各类型铯矿的时空分布特征;将中国铯矿成矿时代总结为古生代、中生代、新生代3个成矿期,划分了10个铯成矿带;厘定出31个与铯矿有关的成矿系列,建立了中国铯矿成矿谱系。【结论】通过综合研究得到,中国铯矿主要为中生代和新生代北阿尔泰和华北陆块的花岗伟晶岩型、花岗岩型和盐湖型铯矿,青藏高原的盐湖型,长江中下游的花岗伟晶岩、花岗岩铯矿、岩浆热液型铯矿。后期可加强在新疆地区、长江中下游、青藏高原以及潜江盆地的找矿工作。

    Abstract:

    [Objective] In the national dynamic evaluation project of potential mineral resources, the features, type and spatiotemporal distribution of caesium resource in China are studied, the metallogenic regularities of caesium deposits in China is summarized. [Methods] This paper introduces the resource characteristics of cesium deposits in China; Cesium deposit types are divided, and the mineralization age and spatial distribution of cesium ore are counted. [Results] Caesium deposits in China are divided into seven types, namely the granite type, granite pegmatite type, magmatic hydrothermal type, salt lake type, brine type, geyserite type, granite weathering crust type, the spatiotemporal distribution feature of each type of caesium deposits is preliminarily summarized. Based on the statistics, the metallogenic period of caesium deposits in China is divided into Paleozoic, Mesozoic and Cenozoic. 10 caesium metallogenic belts are divided. 31 caesium-related metallogenic series are determined and the metallogenic pedigree of caesium deposits in China is established. [Conclusions] China''s Cesium deposits are mainly Mesozoic and Cenozoic granite pegmatite type, granite type and salt lake type cesium deposits in north Altay and North China continental block, salt lake type in Qinghai Tibet Plateau, granite pegmatite, granite Cesium deposit and magmatic hydrothermal Cesium deposit in the middle and lower reaches of the Yangtze River. The exploration work in Xinjiang, the middle and lower reaches of the Yangtze River, the Qinghai-Tibet Plateau and the Qianjiang basin should be strengthened.

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  • 收稿日期:2022-03-21
  • 最后修改日期:2022-09-12
  • 录用日期:2022-12-06
  • 在线发布日期: 2023-02-28
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