2005/06/15 | 金伯利岩[Kimberlite]
类别(℃〖化学〗) | 评论(0) | 阅读(42) | 发表于 20:02
A volcanic eruption which brings diamonds up. Kimberlites are prevalent in Australia and South Africa. Kimberlites can be prospected by searching for garnets with high concentrations of niobium and zirconium, which are enriched in kimberlites.
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