A new study led by a University of Alberta PhD student--and published in Nature--is examining the Earth's Carbon Cycle in new depth, using diamonds as breadcrumbs of insight into some of Earth's deepest geologic mechanisms. Diamonds from Kankan, Guinea, analyzed in this study The imperfections inside the diamond are small inclusions of a mineral called ferropericlase, which is from the lower mantle [Credit: Anetta Banas] ...

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