The Lucapa company searches for underground rock formations called " kimberlite pipes."

卢卡帕钻石公司寻找被称为“金伯利岩管道”的地下岩层。

At the surface, everything cooled really quickly to make these igneous rock formations called kimberlites, with diamonds hiding inside.

在地表，岩浆迅速冷却并形成名为金伯利岩的火成岩，钻石就藏匿其中。

The Lucapa company searches for underground rock formations called " kimberlite pipes." This is known to be a main source of diamonds, said Wetherall.

卢卡帕公司在搜寻被称为“金伯利岩管”的地下岩层。韦瑟尔说，众所周知，这是钻石的主要来源。