The island is volcanic and had been thought to contain only igneous rocks.

昂儒昂岛由火山喷发形成，曾被认只含火成。

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

在地表，浆迅速冷却并形成名金伯利火成，钻石就匿其中。

He even had to park his car out in the street, as his garage was stacked up to the rafters with a multitude of samples of igneous rock.

甚至不得不把车停在大街上，因车库里堆满了各种各样火成标本，一直堆到房椽上。

Australian geologists summoned the hunt for precious minerals in Antartic say they have for the first time discovered the deposits of the igneous rock that yields diamonds.Here's Matt McGrath.

在南极洲寻找珍贵矿产澳大利亚地质学家们声称首次发现能制造钻石火成矿床，马修-麦格拉斯报道。