摘要
总结了中国西南云、贵、川、渝三省一市各主要含煤时代的主要煤层和各煤类煤中砷含量及其分布特征,并与国内外的资料进行了对比。通过分析,认为西南各省中以云南省砷含量最高,各成煤时代以寒武纪老地层中的石煤含量最高,而各煤种中以石煤和褐煤砷含量最高。(重庆煤田地质研究所,重庆400042)
The article has summarized content and distributive properties of arsenic in coal of main coalbeds and each coal type of main coal-bearing age in Southwestern China area(Yunnan,Guizhou,Sichuan and Chongqing),and correlation with the informa-tions of home and abroad.From analyses discovered that in the Southwestern China area,the richest content of arsenic located in Yunnan province;in each age of coal-bearing strata,the richest content of arsenic located in stone-like coal of cambrian system;in the each coal type,the richest content of arsenic located in Yunnan Province;in each age of coal-bearing strata,the richest content of arsenic located in stone-like coal of Cambrian system;in the each coal type,the richest content of arsenic located in stone-like coal and lignite.
出处
《中国煤田地质》
2003年第1期15-16,共2页
Coal Geology of China