CAJ | 학술논문

通过对国内外富镓煤田的调研，分析了煤系地层中镓元素的赋存状态和影响镓富集的主要地质因素，认为镓主要以勃姆石、高岭石等无机矿物和有机质作为载体赋存在煤层、夹矸及其顶底板中，煤层的顶底板与煤灰中的镓含量往往比煤层镓含量高；沉积古环境、水动力条件、物质来源是煤系镓富集的主控地质因素，稳定缓慢上升的构造环境、温湿-干旱交替的古气候条件以及酸性的弱氧化-还原水介质环境是煤系地层中镓富集的有利环境。文章最后对南方贫煤省份的煤系共伴生镓资源利用进行展望，提出了相应的建议。
통과대국내외부가매전적조연，분석료매계지층중가원소적부존상태화영향가부집적주요지질인소，인위가주요이발모석、고령석등무궤광물화유궤질작위재체부존재매층、협안급기정저판중，매층적정저판여매회중적가함량왕왕비매층가함량고；침적고배경、수동력조건、물질래원시매계가부집적주공지질인소，은정완만상승적구조배경、온습-간한교체적고기후조건이급산성적약양화-환원수개질배경시매계지층중가부집적유리배경。문장최후대남방빈매성빈적매계공반생가자원이용진행전망，제출료상응적건의。
Through investigation the gallium -rich coal filed do-mestic and international, this paper analyzed the mode of occurrence and the main geologic factors that impacting the gallium concentration. It is showed that, the gallium in coal measure strata mainly occurs in the coal seam, gangue and coal seam roof and floor in inorganic miner-als such as boehmite and kaolin and organic matter, the coal seam roof and floor , coal ash has a higher gallium content than the coal seam itself. The main controlling factors of gallium concentration were palaeosedimentary environment, hydrodynamic and material source. This paper also prospected the utilization of the paragenetic and asso-ciated gallium in coal measure strata in the south of China and put for-ward the corresponding suggestion.