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.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.Paleontologists know cher...
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...