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Rocks and Minerals

Rocks and Minerals. By Colin. Sedimentary Rocks. Sedimentary rocks are formed when mud, sand, and bits of rock pile up in layers under water. Sedimentary rocks often contain fossils, pieces of animals or plants that lived long ago.

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Rocks and Minerals

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  1. Rocks and Minerals By Colin

  2. Sedimentary Rocks • Sedimentary rocks are formed when mud, sand, and bits of rock pile up in layers under water. • Sedimentary rocks often contain fossils, pieces of animals or plants that lived long ago. • Sedimentary rock has been formed in layers often found near water sources with fossils from decayers.

  3. Igneous Rocks • Igneous rocks are formed when magma cools. • Igneous rocks have been here since the earth was born. • Some igneous rocks float because the large number of trapped air bubbles.

  4. Metamorphic rocks are new rocks formed by pressure and heat. Metamorphic rocks are like rock makeovers. Metamorphic rocks are made out of other rocks. Metamorphic Rocks

  5. Rocks And Minerals

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