Sedimentary rocks develop from eroded grains of other rocks and organic matter. Metamorphic rocks are the third main classification. These started out as other types of rock but were changed by ...

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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type of atom ... s causeway is an igneous rock. Sedimentary rocks are formed ...

Sedimentology explores the origin, transport, deposition and diagenetic alterations of the materials that compose sediments and sedimentary rocks. Stratigraphy investigates how those types of rocks ...

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