Earth's Mysterious Black Diamonds May Have Begun With an Ancient Cosmic Impact
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9 Articles
Scientists have learned that mysterious black diamonds have emerged as a result of an ancient collision with the Earth.
A NEW study suggests that black diamonds formed in the Earth's mantle after an ancient asteroid impact pushed organic carbon deep into the Earth's mantle.
Earth's Mysterious Black Diamonds May Have Begun With an Ancient Cosmic Impact
(James St. John/Wikimedia Commons, CC BY 2.0) No one has identified the rock in which they originally formed.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.
The Black Diamonds Would Have Been Born of a Giant Impact that Buried Primitive Life Under the Earth
Black diamonds from Brazil and Central Africa have no known parent rock. An isotopic analysis suggests that their carbon comes from missing organisms buried in the mantle after a giant impact.
They do not shine like real diamonds, and the scientific community does not know what type of rock they have formed. Since their discovery two centuries ago, black diamonds (or carbonados) remain a case of study apart in the field of gemology.
Porous black diamonds, also known as "carbonados," are found in Brazil and Central Africa. These mysterious stones do not include...
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