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HomeNewsRare metamorphic diamonds discovered could reveal early history of Australia

Rare metamorphic diamonds discovered could reveal early history of Australia

In collaboration with a colleague from the University of Adelaide, three James Cook University academics have discovered metamorphic diamonds in rocks close to Australia’s northeast coast. Alexander Edgar, Ioan Sanislav, Paul Dirks, and Carl Spandler explain how they discovered the small diamonds in their research, which was published in the journal Science Advances. They also explain why they think the discovery will help shed light on Australia’s early history and creation.

Diamonds that have undergone metamorphism only occasionally develop in very specific locations. They range in size from microscopic to nanoscale. The rare diamonds are formed at subduction zones, where the pressure of opposing plates grinding against one another over millions of years creates diamonds that are so small that they cannot be seen with the human eye. On Earth, they have only ever…

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