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在矿体附近,有时能形成一个某种元素的含量比矿体上方的分散晕含量低,又比当地正常场含量高的一个带,这个带叫做分散流.它多沿着水系或固体流泻方向发育.它是分散晕或原生矿体降水等的冲刷作用而成的.在水系比较发育,且切割强烈的地区,金属由于水的作用会形成盐类或者细粒的固相物质,它沿着水系(不一定是常年有水)转移,对于那些机械性能比较强,化学性质比较稳定的金属矿物,可能就以细粒状态在细泥中自上游流下来.有些比较容易溶解的金属元素,也经常被水系底沉积中的粘士质所吸附.因此沿着水系,尤其是干谷涸河发育地带采取底沉积细粒物质(冲积物)就有可能找到分散流.在水系太
In the vicinity of the orebody, it is sometimes possible to form a zone with a certain elemental content lower than that above the ore body and higher than the local normal field. This zone is called a dispersed stream, Development is scattered scattered halo or primary ore body precipitation and other scouring effect in the more developed water system, and cutting a strong area, the role of water due to the formation of metal salts or fine-grained solid material along the Water systems (not necessarily perennial water) transfer, for those relatively strong mechanical properties, chemical properties of relatively stable metal mineral may be in a fine state in fine mud down from the upstream. Some of the more easily soluble metal elements, but also Is often adsorbed by clays in the sediments of the water system, so that it is possible to find dispersed flows along sediments of the river system, especially in the Dry Valley Dry Zone, with sediments of fine sediments (alluvial sediments)