Metamorphic rocks are the third main classification. 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 ...

The sediment comes from eroded rocks carried there by rivers or ice, and from the skeletons of sea creatures. Metamorphic rocks close metamorphic rockMetamorphic rocks are those rocks which have ...

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 ...

This is a beginner's guide to identifying UK rock types. The guide has two main sections ... detailing igneous, sedimentary and metamorphic rocks This is followed by a glossary of geological terms ...

There are three main rock types: igneous, sedimentary and metamorphic. These rocks are made of minerals that all have different characteristics. Some will melt into magma or lava – super-hot, ...