Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. To the untrailed eye, a rock on the side of the road is just that ...
Rare rocks buried deep in central Australia have revealed how a valuable niobium deposit formed during the breakup of an ancient supercontinent. More than 800 million years ago, tectonic rifting ...
A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Credit: E. Cottrell, Smithsonian. If you’re ...