四川优势非金属矿产的开发利用

四川非金属矿产资源丰富，加强非金属矿的开发利用对促进四川经济发展意义重大。文章把储量大、开发利用条件好，经济效益位的硫铁矿、芒硝、磷矿、水泥灰岩、石英砂岩、石材、霞石正长岩等矿产列为四川的优势非金属矿产，综述了各矿种的资源特征、开发利用现状、存在的问题，提出了应注意的问题和有关对策。

EXPLOITATION AND UTILIZATION OF PREDOMINANT NONMETALLIC MINES IN SICHUAN

Nonmetallic mines are abundance in Sichuan province. It is important that exploitation and utilization is strengthen to speeding economic development of sichuan. The paper put forwards that predominant nonmetallic mine, which are pyrite, mirabilite, apatite, limestone for cement industry, quartz sand, stones, nepheline-syenite in sichuan ,should have large reserve and good condition of exploitation and utilization and good economic benefit.The author summarize resource characteristics and actuality of exploitation and utilization and existent problem . It suggest countermeasure on exploitation and utilization of predominant nonmetallic mines.