1·The thin-beded siliceous -rocks include chert and depositional quartz with textures of oolite and pebble.
矽质岩包括燧石和沈积石英岩，呈薄层状产出，沈积石英岩具鲕状、砾状结构。
2·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。
3·In limestone of Taiyuan Group, Origin of nodular chert and banded chert is that they had been replaced in diagenesis phase.
太原群灰岩中的燧石结核或条带是在成岩作用阶段经硅质交代成因的。
4·If chert does not contain impurities and the age spectrum is very precise, the minimum apparent age in middle temperature may have geochronological implication.
当燧石纯度很高，加热阶段划分得很细时，马鞍形谱线中温区间最小视年龄具有某种年代学意义。