chert

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.

Chert with good abrasion the major content in conglomerate and diamonds are contained in it generally.

砾岩主要砾石成分为燧石,磨圆度较好,普遍含金刚石.

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 thin bedded 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.

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.

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.