Application of the new technology to the mud-like soft land foundations which that we dig and timber without precipitation 不降水开挖及支护新技术在淤泥质软土地基中的应用
Limonite was disseminated mainly distributed in the mud-like crystal-microcrystalline dolomite, some with detritus-like, pulse-like shape of output, the iron concentrate grade and recovery of the adverse effects can not be ignored; hematite mainly debris in the form of output. 褐铁矿主要呈浸染状分布于泥晶&微晶白云石中,部分以碎屑状、脉状的形产出,对精矿铁品位和回收率的不利影响不容忽视;赤铁矿主要以碎屑的形式产出。