yinmin

The Yinmin formation is one of the important host formations for iron and copper deposits in Sichuan and Yunnan provinces .

因民组是川滇地区重要的铁铜矿赋存层位之一。

The stability of south slope in Yinmin Coal and Electricity Company is analyzed and the stability of the slope is controlled by four weak layers and the restraining mining methods is effective .

对伊敏煤电公司露天矿南帮边坡稳定情况进行了实例分析，变形区边坡稳定性主要受四个泥岩弱层控制，采取内排压脚等控制开采的方法是有效的。

The volcanism and magmatism was violent in the Dongchuan rift at the Yinmin stage , when was also the important epoch for Fe and Cu mineralization .

东川裂谷因民期火山&岩浆活动强烈，也是重要的铁铜成矿期。

The metallogenic model is summarized as " pre-gathering of copper in Yinmin red bed → transportation of copper by transformation solutions → ore-forming at algae dolomite of Luoxue Formation " .

本文由此总结了东川式层状铜矿的成矿模式为“红层预集改造热液转移藻白云岩成矿”。