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 ...

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) ...

This 1930s educational film explores the natural landscapes, geological formations, and agricultural practices of the time. It features scenes of farmers tilling soil, majestic mountain roads ...

Right: OH-defects in young (0.3 Gyr) Variscan granites are one order of magnitude higher than in old (0.9-1.8 Gyr) Proterozoic granites from Scandinavia . The OH-content is reflected in recent ...

It’s planning to mine a deposit of igneous phosphate rock in Saguenay-Lac-St-Jean, Quebec. The main market for the phosphate ...

This is a beginner's guide to identifying UK rock types. The guide has two main sections: background information on the structure and forces affecting the Earth in relation to rock formation a more ...