一种中、低温热液蚀变作用。主要为粘土化作用和绢云母化作用，常分布在蚀变带的上部。
misc. pelitization
软岩的崩解、泥化往往给工程带来困难和损失。
The disintegration of soft rock often causes great difficulty to engineering.
在实验的基础上，通过自主设计建成了新的转炉尘泥化渣剂球团生产线；
On the base of experiments , a new plant processing utilization of converter residue designed was set up.
岩性主要为砾岩、泥岩、碳质泥岩、硬脆性泥岩、玄武岩、泥化玄武岩、石英岩及花岗岩等。
The lithology consists of conglomerate, shale, carbonolite, hard brittle shale, basalt, pelitized basalt, quartzite and granite, etc.
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