The Texas Parks & Wildlife Department spent $43 million to add more than 3,000 acres to the Llano County park.

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 ...

Igneous rocks form from the solidification of molten ... such as the Yellowstone Caldera in the United States. The initial ...

The rock comes from the Bushveld Igneous Complex in northeastern South Africa, according to the team’s Oct. 2 announcement. The unique geological formation came into existence 2 billion years ...