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鄂尔多斯盆地中侏罗世延安组蕴藏着丰富的煤炭资源,国家已将其东北部的东胜煤田和神府煤田列为经济建设中重要的战略煤炭新基地,并已全面实施。本文重点对延安组煤中的主要稀散有益元素锗、镓的赋存规律进行了初步的探讨。研究结果表明,其煤中锗、镓含量,除局部地区达到工业品位要求外,一般含量均较低,未能达到工业综合利用的标准。
The middle Jurassic Yan’an Formation in the Ordos Basin contains abundant coal resources. The Dongsheng coalfield and the Shenfu coalfield in the northeast have been listed as important strategic coal new bases in economic construction and have been fully implemented. This paper focuses on the Yan’an Formation in the main beneficiation of rare-earth elements germanium, gallium were preliminarily discussed. The results show that the content of germanium and gallium in coal is generally lower than the industrial grade in some areas except for some areas, and the standard of industrial comprehensive utilization has not been reached.