silicified

This sandstone unit is commonly thick-bedded and massive, with silty and carbonaceous laminations. The presence of fragments of silicified siltstone retains their original bedding.

该砂层单元通常为厚层或块状，具粉砂质和碳质纹层。硅化粉的砂岩碎块保留有原始层面。

Most of them are highly silicified and sometimes mineralized with pyrite and chalcopyrite.

大部分的扭折条带遭受强烈的硅化作用,有时还具有矿化现象,并含黄铁矿和黄铜矿.

A kind of silicified fossil wood with mixed pits on the radial tracheid wall is described.

报道了一种具混合型纹孔(互列式纹孔和对列式纹孔)的化石木.

Most of them are highly silicified and sometimes mineralized with pyrite and chalcopyrite. Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.

大部分的扭折条带遭受强烈的硅化作用，有时还具有矿化现象，并含黄铁矿和黄铜矿。黄铁矿很多，并且含钴，在硫化物块体中成稠密的斑块。

The presence of fragments of silicified siltstone retains their original bedding.

硅化粉的砂岩碎块保留有原始层面.

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。

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

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。

Silicified wood is wooden fossil from ancient tree formed by geological process and mainly consists of SiO_ ( 2).

硅化木是古代树木经地质作用而形成的木化石，其主要化学成分为SiO2。

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。

The silicified wood is told in terms of wood although the shape exists, and die actually.

硅化木从木旳角度讲是形虽存, 而实则亡矣.

Mineralization relates closely to the silicified rock.

金矿化与早期灰白色硅化岩密切相关.

Silicified limestone is extensively developed in the Xikuangshan antimony deposit.

锡矿山锑矿硅化灰岩发育广泛.