Igneous Rock: Definition, Classification, Types and Formation

igneous rocks

​Igneous rocks are formed from the cooling of magma (a very hot liquid found underneath the Earth’s surface). The name ‘igneous’ comes from the Latin word ‘igneous’ which means fire. In that notion, igneous rocks occur when molten rock turns into solid either below the earth’s crust to create intrusive …

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Sedimentary Rock: Types and How They Are Formed?

sedimentary rocks

Rocks are generally grouped into igneous, metamorphic and sedimentary rocks. Sedimentary rocks are usually well exposed on the earth’s surface and in water bodies as well. Rock materials from pre-existing rocks (such as metamorphic, igneous and previously shaped sedimentary rocks) that have been eroded, weathered and compacted over time, make …

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