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.

Snowflake obsidian is a form of volcanic glass that features white or grayish “snowflake” shapes ... of the unique geological ...

The book is comprehensive in its coverage of the processes involved in the petrogenesis of igneous and metamorphic rocks and the implications of ... topics and mathematical formulations. One standout ...