Igneous Rocks

Igneous rocks form from cooling magma Magma that erupts onto Earth's surface is lava The chemical composition of the magma and the rate at

Igneous rocks can be divided into four categories based on their chemical composition: felsic, intermediate, mafic, and ultramafic The diagram of Bowen's

rockstar In this video, we examine igneous rocks, including the ways in which they form and their

rocket raccoon Igneous Rocks in Britain Gabbro hills in the Isle of Skye, a large intrusion formed about 50 million years ago Lava flow on the Isle of Staffa, formed