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 ...

Looking at an igneous rock, such as the granite along Stockton Hill Road at milepost 10, you’ll see a variety of minerals.

For geologists, a continent is a large area of thick continental crust composed of granite or similar igneous rocks ... and deposits of basaltic rock pebbles. Sample locations and inferred ...