A giant magnetic anomaly that occurred more than 500 million years ago can finally be explained

A giant magnetic anomaly that occurred more than 500 million years ago can finally be explained

Magnetic signatures hidden in rocks tell us a lot about Earth’s magnetic field and the shifting of continents and tectonic plates over millennia, but for some periods the geological record doesn’t make much sense. A new analysis of rocks from one of these periods, the Ediacaran (about 630-540 million years ago), aims to solve a … Read more