砾岩主要砾石成分为燧石，磨圆度较好，普遍含金刚石。
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。
Chert with good abrasion is 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。
Chert with good abrasion is the major content in conglomerate, and diamonds are contained in it generally.
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