Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

The continents are carried by the Earth's tectonic ... quartz-rich rocks, was unable to descend along with the rest of the Indian plate. It was at about this time that the anchor chain must ...

The study notes that the two hypotheses of how the rock eroded are not mutually exclusive—it is possible that both tectonics and glaciation contributed to global Earth system disruption during ...