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    王珍珍, 李进孝, 张珂, 马家亮, 张绍韡, BlokhinMaksim G, 张飘飘, 蔺敬妍, 孙明晓, 申伟刚, 赵存良. 山西沁水煤田首阳山矿15#煤的稀土元素分布规律、赋存状态及其对成煤环境的指示[J]. 中国地质, 2021, 48(3): 777-784. DOI: 10.12029/gc20210308
    引用本文: 王珍珍, 李进孝, 张珂, 马家亮, 张绍韡, BlokhinMaksim G, 张飘飘, 蔺敬妍, 孙明晓, 申伟刚, 赵存良. 山西沁水煤田首阳山矿15#煤的稀土元素分布规律、赋存状态及其对成煤环境的指示[J]. 中国地质, 2021, 48(3): 777-784. DOI: 10.12029/gc20210308
    shu
    WANG Zhenzhen, LI Jinxiao, ZHANG Ke, MA Jialiang, ZHANG Shaowei, Blokhin MaksimG, ZHANG Piaopiao, LIN Jingyan, SUN Mingxiao, SHEN Weigang, ZHAO Cunliang. Distribution and occurrence of rare earth elements in No.15 coal in Shouyangshan Mine, Qinshui Coalfield, Shanxi Province and its indication to the coal-forming environment[J]. GEOLOGY IN CHINA, 2021, 48(3): 777-784. DOI: 10.12029/gc20210308
    Citation: WANG Zhenzhen, LI Jinxiao, ZHANG Ke, MA Jialiang, ZHANG Shaowei, Blokhin MaksimG, ZHANG Piaopiao, LIN Jingyan, SUN Mingxiao, SHEN Weigang, ZHAO Cunliang. Distribution and occurrence of rare earth elements in No.15 coal in Shouyangshan Mine, Qinshui Coalfield, Shanxi Province and its indication to the coal-forming environment[J]. GEOLOGY IN CHINA, 2021, 48(3): 777-784. DOI: 10.12029/gc20210308
    shu

    山西沁水煤田首阳山矿15#煤的稀土元素分布规律、赋存状态及其对成煤环境的指示

    Distribution and occurrence of rare earth elements in No.15 coal in Shouyangshan Mine, Qinshui Coalfield, Shanxi Province and its indication to the coal-forming environment

      摘要
    • 摘要: 文章以沁水煤田长治首阳山矿15号煤为研究对象，运用电感耦合等离子体质谱（ICP-MS）和X射线荧光光谱（XRF）等方法对煤中的稀土元素进行测试和分析。探讨了15号煤中稀土元素的富集机理、配分模式、赋存状态以及成煤环境等地球化学特征。结果表明：（1）研究区煤层中的稀土元素含量均值为49.28 μg/g，整体含量较低；（2）15#煤（除SYS15-2外）和夹矸中稀土元素均为轻稀土富集型（LREY），并且夹矸中轻稀土富集更加明显；（3）稀土元素主要赋存在黏土矿物中；（4）成煤环境整体上以弱还原环境为主，稀土元素物质来源主要为陆源碎屑。

       

      Abstract: Inductively coupled plasma mass spectrometry (ICP-MS) and X-ray fluorescence (XRF) were used to quantitatively analyze rare earth elements of the No. 15 Coal in Changzhi Shouyang Mine, Qinshui Coalfield for discussing its enrichment mechanism, distribution pattern, occurrence state and coal-forming environment. The results show that the average content of rare earth elements in the coal seam of the study area is 49.28 μg/g, and the overall content is relatively low. Except for SYS15-2, the rare earth elements of No.15 coal seam and gangue are all enriched in light rare earth (LREY), and the accumulation of light rare earth in gangue is more obvious. Rare earth elements occur mainly in clay minerals. On the whole, the coal-forming environment is dominated by weak reduction environment, and the source of rare earth elements is mainly terrigenous debris.

       

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