Igneous intrusions are a type of rock feature. They form when molten rock cools below the surface of the Earth. Join Isla and Connor as they explore igneous rock landscape features at Traprain Law ...

The rock was excavated from the Bushveld Igneous Complex in South Africa ... caused by contamination during the retrieval and study process. Research on these microbes could help us better ...

(We wore out several pairs of gloves in the process.) We used mercury to actually extract the gold from the powdered rock. Gold, like most minerals, can be 'dissolved' in mercury to create what's ...