silicified rock

So it has more important significance that how to recognize silicified rock from host rock and the extent of silicify.

因此，如何正确地识别硅化岩石与原岩，以及硅化的强弱对于找矿有着重要意义。

The prominent characteristic of the siliceous rock is the residual bioclastic structure, with plenty of silicified calcareous organisms, such as brachiopoda, encrinite caudex and coral, which are several millimeters in size.

其显著特征是，岩石具残余生物碎屑结构，见大量腕足类、海百合茎、珊瑚等钙质生物假象，主要为mm级完整个体，密集堆积。

The cardium sandstone is lithic, being composed of grains of chert, quartz, quartzite, silicified argillite, and other rock fragments.

卡迪砂岩是岩屑砂岩，由燧石，石英、石英岩、硅化泥板岩和其它岩石碎屑颗粒所组成。

Mineralization relates closely to the silicified rock.

金矿化与早期灰白色硅化岩密切相关.

Low temperature geochemical process of diwa stage and silicified ROCK-METASOMATIC quartzite, southern China

华南地洼阶段低温地球化学作用与硅化岩-交代石英岩