山西省煤系伴生三稀矿产资源研究现状及找矿前景
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摘要
为进一步勘探和开发山西省煤系伴生的稀有、稀土、稀散元素(简称三稀元素)矿产资源,在综合以往研究的基础上,统计了山西省煤系伴生三稀元素的含量和赋存特征,同时结合山西省煤炭资源分布特征探讨了煤系伴生三稀矿产资源的找矿前景。结果表明,山西省宁武煤田平朔矿区为煤系伴生锂超大型矿床,北部煤炭基地部分矿区和西山煤田部分矿区具备煤系伴生锂成矿潜力;宁武煤田北部、大同煤田北部、河东煤田北部及西山煤田局部地区具备煤系伴生镓成矿潜力;沁水煤田和西山煤田山西组含煤岩系的伴生稀土元素均有一定的工业开发利用价值;省内六大煤田含煤岩系中尚未发现其他达到工业利用品位的伴生三稀元素矿床。初步研究成果对指导山西省煤系伴生矿产资源开发、煤炭资源可持续发展和粉煤灰高效利用具有实际意义。
For further exploration and exploitation of the new kind of mineral resources, the content and occurrence of coal-associated rare earth, rare metals and rare-scattered elements in Shanxi Province were analyzed on the basis of previous research. According to analysis of the distribution characteristics of coal resources in Shanxi, the prospecting potentiality of coal-associated mineral resources was discussed. The results show that the coal measures in Pingshuo mine in Ningwu coalfield are a super large deposit of coal-associated lithium, and coal producing base in northern part of Shanxi Province and local mines in Xishan coalfield may also have the accompanying lithium metallogenic potential. The north of Ningwu coalfield, north of Datong coalfield, north of Hedong coalfield and the local area of Xishan coalfield have accompanying gallium metallogenic potential. There is certain industrial development and utilization value of rare earth elements in Qinshui coalfield and Shanxi Formation in Xishan coalfield. The present study shows that no other elements in coal can achieved the industrial utilization level in all the six coalfields of Shanxi Province. This research has significance to guide the exploitation of mineral resources, sustainable development of coal resources and efficient utilization of fly ash in coal industry of Shanxi Province.
For further exploration and exploitation of the new kind of mineral resources, the content and occurrence of coal-associated rare earth, rare metals and rare-scattered elements in Shanxi Province were analyzed on the basis of previous research. According to analysis of the distribution characteristics of coal resources in Shanxi, the prospecting potentiality of coal-associated mineral resources was discussed. The results show that the coal measures in Pingshuo mine in Ningwu coalfield are a super large deposit of coal-associated lithium, and coal producing base in northern part of Shanxi Province and local mines in Xishan coalfield may also have the accompanying lithium metallogenic potential. The north of Ningwu coalfield, north of Datong coalfield, north of Hedong coalfield and the local area of Xishan coalfield have accompanying gallium metallogenic potential. There is certain industrial development and utilization value of rare earth elements in Qinshui coalfield and Shanxi Formation in Xishan coalfield. The present study shows that no other elements in coal can achieved the industrial utilization level in all the six coalfields of Shanxi Province. This research has significance to guide the exploitation of mineral resources, sustainable development of coal resources and efficient utilization of fly ash in coal industry of Shanxi Province.
引文
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[12]中国煤炭地质总局特种技术勘探中心.山西省平朔地区煤中锂镓资源调查评价项目技术研究报告[R].2012.
[13]蒲伟,孙蓓蕾,李珍,等.马兰2号煤层夹矸微量与稀土元素地球化学特征及其地质意义[J].煤炭学报,2012,37(10):1709–1716.PU Wei,SUN Beilei,LI Zhen,et al.Geochemistry of trace and rare elements in No.2 coal seam parting in Malan coal mine and its geological implication[J].Journal of China Coal Society,2012,37(10):1709–1716.
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[19]马鹏程.霍西煤田灵石矿区石炭–二叠纪主采煤层煤岩学及地球化学特征[D].太原:太原理工大学,2016.
[20]代世峰,任德贻,李生盛,等.华北地台晚古生代煤中微量元素及As的分布[J].中国矿业大学学报,2003,32(2):8–11.DAI Shifeng,REN Deyi,LI Shengsheng,et al.Concentrations of minor elements and regional distribution of arsenic in Late Paleozoic coals from North China platform[J].Journal of China University of Mining&Technology,2003,32(2):8–11.
[21]庄新国,杨生科,曾荣树,等.中国几个主要煤产地煤中微量元素特征[J].地质科技情报,1999,18(3):63–66.ZHUANG Xinguo,YANG Shengke,ZENG Rongshu,et al.Characteristic of trace elements in coals from several main coal districts in China[J].Geological Science and Technology Information,1999,18(3):63–66.
[22]刘胜,赵峰华,孙富民,等.山西大同侏罗纪煤中微量元素的分布特征[J].中国矿业,2009,18(2):98–100.LIU Sheng,ZHAO Fenghua,SUN Fumin,et al.Distribution of minor and trace elements in Jurassic coal from the Datong coalfield of Shanxi Province[J].China Mining Magazine,2009,18(2):98–100.
[23]庄新国,曾荣树,徐文东.山西平朔安太堡露天矿9号煤层中的微量元素[J].地球科学,1998,23(6):40–45.ZHUANG Xinguo,ZENG Rongshu,XU Wendong.Trace elements in No.9 coal from Antaibao open pit mine,Pingshuo,Shanxi Province[J].Earth Science,1998,23(6):40–45.
[24]唐修义,黄文辉.中国煤中微量元素[M].北京:商务印书馆,2004.
[25]任德贻,代世峰.煤和含煤岩系中潜在的共伴生矿产资源一个值得重视的问题[J].中国煤炭地质,2009,21(10):1–4.REN Deyi,DAI Shifeng.Potential coexisting and associated mineral resources in coal and coal-bearing strata:An issue should pay close attention to[J].Coal Geology of China,2009,21(10):1–4.
[26]武建斌.山西省交口县赵家圪垛稀土铌钽矿矿床特征[J].华北国土资源,2007(1):20–21.WU Jianbin.The characteristics of earth element Niobium-Tantalum ore deposit for Zhaojiakeduo in Jiaokou County of Shanxi[J].National Land&Resources of North China,2007(1):20–21.
[27]QIN Shenjun,SUN Yuzhuang,LI Yanheng,et al.Coal deposits as promising alternative sources for gallium[J].Earth–Science Reviews,2015,150:95–101.
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