Igneous rocks form out of cooling lava or magma ... These started out as other types of rock but were changed by high heat and pressure. In this article, we'll list 30 types of rock with pictures ...

There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all fossils are preserved in sedimentary rock. Organisms that live in topographically low places (such ...

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 ...

They look a bit like geodes, but they’re not exactly geodes. There are three types of rock: igneous, metamorphic, and ...

This is a beginner's guide to identifying UK rock types. The guide has two main sections ... with examples of rock samples commonly found in the United Kingdom, detailing igneous, sedimentary and ...

Volcanic rock is formed when lava or magma cools down and becomes a solid. We call this type of rock igneous rock. Here are three different types of igneous rock from the Museum’s collection.