Science

Massive meteorite impact created the hottest mantle rock ever

It’s confirmed: The hottest rock ever discovered in Earth’s crust really was super-hot. 

The rock, a fist-sized piece of black glass, was discovered in 2011 and first reported in 2017, when scientists wrote in the journal Earth and Planetary Science Letters that it had been formed in temperatures reaching 4,298 degrees Fahrenheit (2,370 degrees Celsius), hotter than much of the Earth’s mantle. Now, a new analysis of minerals from the same site reveals that this record-scorching heat was real. 

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