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Rocks
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Rocks

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  1. Rocks Classification of Rocks

  2. What is a Rock? • A rock is a solid that can be composed of minerals, pieces of other rocks, and organic material (plant & animal matter). • There are 3 types of rock: Igneous, Sedimentary, Metamorphic

  3. Minerals vs. Rocks Minerals Rocks

  4. Classification of Rocks • Rocks are classified by their formation. • Each type of rock is formed in a different way.

  5. Igneous Rocks Identifying &Classifying Igneous Rocks

  6. What are Igneous Rocks? • Igneous is derived from the Latin word ignis, meaning “fire”. • How do you think igneous rocks are formed? • Igneous rocks are formed from molten rock that has cooled and solidified.

  7. Intrusive vs Extrusive Intrusive Igneous Rock Extrusive Igneous Rock Extrusive igneous rocks are formed by lava. What does this tell you about where it is formed? What does this tell you about the crystals • Intrusive igneous rocks are formed by magma • What does this tell you about where it is formed? • What does this tell you about the crystals?

  8. Classifying Igneous Rocks • In your notebook, create a table to list igneous rocks. • Observe the following rocks and determine whether they are intrusive or extrusive.

  9. Granite

  10. Diorite

  11. Obsidian

  12. Rhyolite

  13. Pegmatite

  14. Basalt

  15. Sedimentary Rocks Examples of Sedimentary Rocks

  16. Breccia

  17. Sandstone

  18. Rock Salt

  19. Coal

  20. Metamorphic Rocks

  21. Schist

  22. Amphibolite