Hadean-Era Bridgmanite Identified in Volcanic Materials Beneath Comoros Archipelago

Geologists have identified evidence of Hadean-era mantle materials, specifically the mineral bridgmanite, located deep beneath the Comoros archipelago. The findings, which stem from an analysis of the Mayotte region and the nearby submarine volcano Fani Maoré, suggest that remnants of Earth’s earliest geological history persist within the planet’s interior.

Researchers utilized geochemical and isotopic testing to examine the volcanic materials originating from the deep mantle beneath the island chain. The data indicates that these materials contain chemical signatures consistent with the Hadean Eon, a period dating back to the formation of the Earth. By studying the composition of the lava and rock samples associated with Fani Maoré, the team tracked the presence of bridgmanite—a mineral typically found in the lower mantle—to determine how these ancient materials migrated toward the surface. These results provide new information regarding the composition and movement of the Earth’s deep mantle layers over billions of years.

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Date: July 1, 2026

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GOAI