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Igneous Rocks

Igneous Rocks. Inside Earth Chapter 5.2 Pages 150-153. Igneous Rocks. Form from Lava or Magma Made of mineral crystals Classified according to: Origin Texture Mineral Composition. Origin of Igneous Rocks. Classified according to where they formed. Origin of Igneous Rocks.

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Igneous Rocks

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  1. Igneous Rocks Inside Earth Chapter 5.2 Pages 150-153

  2. Igneous Rocks • Form from Lavaor Magma • Made of mineral crystals • Classified according to: • Origin • Texture • Mineral Composition

  3. Origin of Igneous Rocks • Classified according to where they formed.

  4. Origin of Igneous Rocks

  5. Origin of Igneous Rocks

  6. Which is a way to identify if a rock is Igneous?

  7. Igneous Rock Textures

  8. What is a Crystal? • A solid in which the atoms are arranged in a pattern that repeats again and again.

  9. Igneous Rock Textures • Depends on the size and shape of it’s mineral crystals.

  10. A rock that has two kinds of texture is called…

  11. Mineral Composition • Most of Earth’s rocks contain silica (silicon dioxide, SiO2)

  12. Silica Content Mafic Basalt Gabbro • Felsic • Granite • Rhyolite • Intermediate • Diorite • Andesite

  13. Igneous Rock Chart

  14. Which rock likely has the most silica?

  15. Uses of Igneous Rocks • Igneous rocks are useful because they are hard, durable and dense

  16. What to Work On • Read the textbook, pages 150-153 • Answer questions 1-4 on page 153 DUE: Friday, November 4th

  17. Project Topics • Plasma • Dark Matter • Hot air balloons • Light (double-slit experiment) • Elements (Uut, Uuq, Uuh) • History of Enlgish / metric units • TauTona

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