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 ...

Your Artstor image groups were copied to Workspace. The Artstor website will be retired on Aug 1st. The Journal of Geology Vol. 26, No. 5, Jul. - Aug., 1918 Internal Structures of Igneous Rocks; Th ...

More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its ...

The Journal of Geology, Vol. 23, No. 8, Supplement: The Later Stages of the Evolution of the Igneous Rocks (Nov. - Dec., 1915), pp. 1-91 (91 pages) ...