Underground Discovery Rewrites Geological Understanding of Volcanoes and Diamond Formation
Jerusalem – A groundbreaking international study has revealed a previously unknown link between deep-Earth chemical reactions, diamond formation, and volcanic activity, potentially reshaping our understanding of planetary geology. Researchers from the Hebrew University of Jerusalem, the University of Nevada, and the University of Cambridge have discovered that elements enriched during diamond creation significantly influence the composition of volcanic magmas, offering clues to the origins of kimberlites – the igneous rocks frequently associated with diamond deposits. The findings, published in Nature Geoscience, suggest a direct pathway for diamonds to reach the Earth’s surface through volcanic eruptions.
The research centers on the identification of “impractical” metals within diamonds, indicating chemical reactions occurring at extreme depths within the Earth’s mantle. These reactions, involving carbonate fluids and other elements, alter the composition of magmas as they ascend, creating conditions conducive to diamond transport. Kimberlites, formed by magmas rich in carbonates, are now understood to be a direct result of these deep-seated processes.
“The study of diamonds and their inclusions doesn’t just illuminate the formation of diamonds themselves,but also provides a window into the mechanisms driving volcanic activity,” explained researchers involved in the project.
The discovery has significant implications for resource exploration, potentially aiding in the identification of new diamond deposits.Moreover, it opens avenues for future research into the interactions between the Earth’s mantle and carbonate fluids, and a deeper understanding of the planet’s internal dynamics. The collaborative effort underscores the importance of international cooperation in advancing geological knowledge.
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