chert造句
Carbonate rocks are predominantly composed of intra - clastic dolostone,
chert dolostone and sand - bearing dolostone.
碳酸盐岩以内碎屑白云岩 、 燧石白云儿和含砂白云岩为主.
The sediments in this photo curve near the ends of
chert pods.
这沉淀物在这幅图片的曲线近似冷凝物的黑矽石的扁豆形矿体.
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.
Paleontologists know
chert as a good place to look for fossils.
古生物学者知道黑矽石同样的好地方去观看化石.