存在于侵入岩体或围岩中的典型煌斑结构的细粒致密块状暗色基性脉岩lamprophyre

• 钻石原生矿新类型钾镁煌斑岩被发现。

  New forms of lamproites have been discovered in diamond primary deposits.

• 金刚石矿主要附着于金伯利岩和钾镁煌斑岩上。

  Diamond deposits are primarily attached to kimberlites and lamproites.