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Underwater volcano off Madagascar spews magma containing 4.5-billion-year-old traces of Earth's primordial magma ocean
Traces of Earth's primordial magma ocean discovered in lava from a modern volcanic eruption
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PhysTraces of Earth's primordial magma ocean discovered in lava from a modern volcanic eruptionphys.orgIn May 2018, the island of Mayotte, between Madagascar and Mozambique, began to experience a series of earthquakes that led to the discovery of an underwater volcano, now called Fani Maoré. Multiple scientific expeditions followed, taking samples of the recently erupted lava. When a team of researchers analyzed 13 samples from Fani Maoré and eight additional samples from eastern Mayotte, they discovered remnants of a mineral called bridgmanite that they believe came from Earth's earliest geologic time period, the Hadean eon. Their findings were recently published in Nature.
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Hadean bridgmanite in the source of a present-day ocean island
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