Meet bridgmanite – Earth’s most abundant mineral

June 18, 2014 1:39 PM

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Though the most abundant mineral on Earth, it was previously unobserved

Most people understand that the crust – the layer all living things on Earth occupy – is relatively thin. Instead, most of Earth’s volume is made up by the mantle, a thick, rocky layer beneath the surface. Though scientists have long known that the lower part of the mantle is mostly made of a silica...

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