A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type of atom ... Igneous rocks are formed from the cooling of molten rock.

According to their origin, rocks are divided into three groups, namely, the igneous, metamorphic and sedimentary rocks. Figure 1.1: Approximate mineral compositions of the more common types of igneous ...

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 ...

What is the difference between granites and garnets? Minerals are the building blocks of rocks. They are inorganic, crystalline solids with a known chemistry. Examples of minerals include diamonds, ...