The host rock conformably overlies a band of siliceous chertybrecia . 含矿主岩整合地上覆于硅质燧石角砾石带之上。
2.
The host rock conformably overlies a band of siliceous cherty breccia . 含矿主岩整合地上覆于硅质燧石角砾石带之上。
3.
Thus we can better understand the deformation of chert in a highly fluid form . 这样我们就能更好地理解燧石在高度流体状态时的变形情况。
4.
And some minutely crystalline varieties, such as flint, may be opaque and of a waxy luster . 某些细小的结晶变种，如燧石，可能是不透明的，并具有腊样的光泽。
5.
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。
