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Where can we find more natural diamonds?


Image of a garnet mineral inclusion in diamond by Anetta Banas (University of Alberta).



Natural diamonds are rare.

Where should diamond exploration geologists go to find new deposits? What rock types should they consider as diamond prospective?


Thomas Stachel and his co-workers at the University of Alberta show that a rock type in the mantle called lherzolite can also host economic quantities of diamond. Lherzolite was previously overlooked in favour of harzburgite and eclogite.

Read more about this study in the original article. Plain language summaries can be found here and here.