宜春市苍前水泥用灰岩矿地质特征及找矿前景分析

Geological Characteristics and the Prospecting Prospect Analysis of Limestone for Cement in Cangqian Area in Yichun City

苍前水泥用灰岩矿位于二叠系上统长兴组,岩性为浅灰、灰白色厚-巨厚层状泥晶生物砂屑灰岩、微晶生物屑砂屑灰岩,局部含少量燧石团块,间夹不稳定薄层-中层含燧石灰岩夹层。矿石有益组分含量高,有害组分含量低。矿石为全区稳定分布单一的一品级。苍前水泥用灰岩矿属于浅海相碳酸盐岩类中型水泥用灰岩矿。

The Cangqian limestone for cement deposit locates in the Yichun of Jiangxi province. It occurs in Cangxin formation of upper Permian and shows layered type. Which is light gray to gray micritic calcarenite with heavy layer, and microcrystalline biological chip calcarenite, containing a small amount of flint briquette, unstable thin flint limestone layer as sandwich. Ore quality in west part is good without interlayer. This deposit belongs to marine facies sedimentary deposit.