Now, researchers from the University of Oxford and the Massachusetts ... aligning with Earth's magnetic field when the rock around them first crystallized 3.7 billion years ago.

Iron oxide minerals are found in rocks around the globe. Some are magnetic, and some of them rust—especially when exposed to ...

That's why it's so hard to find reliable records of the early magnetic field, even if the rock itself is confirmed to be very old. A team led by geologist Claire Nichols of the University of ...

Third, magnetism in rocks can be used to estimate the age of a fossil site. This method uses the orientation of the Earth's magnetic field, which has changed through time, to determine ages for ...

Researchers at the University of Bayreuth have developed a method that makes objects on a magnetic field invisible ... water in a river flowing around a rock. As a result, the waves reach their ...

and nuclear magnetic resonance (NMR's). The health effects of these magnets aren't fully understood. The main hazard is to those with pacemakers or metal implants in their body. The University of ...

In the March 4, 2025, online issue of the journal Geology, Utah State University geoscientists Jordan Jensen and Alexis Ault ...