silicify

Where there is silicify arsenopyrit and pyriteization sometimes forms make of ore.

化、毒砂黄铁化集中发育地方往往构成工业。

Silicify or silicified rock is one more efficacious sign for exploring mine in Xikuangshan antimony deposit.

化/化岩石是锡山锑一种很有找标志。