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LETS TALK ROCK

Explore the fascinating world of rocks, which are classified into three main types: igneous, sedimentary, and metamorphic. Igneous rocks, formed from melted rock, include diorite with large crystals, andesite with small crystals, and pumice, which erupts from volcanoes. Sedimentary rocks form from layers of natural materials, as demonstrated by the Grand Canyon’s structure. Metamorphic rocks result from the transformation of one solid rock type into another through metamorphism. Discover the stories these rocks tell about Earth's geological history.

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LETS TALK ROCK

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  1. LETS TALKROCK

  2. TYPES of rocks • IGNEOUS • SEDIMENTARY • METAMORPHIC

  3. IGNEOUS

  4. Formed from melted rock Three types of igneous rocks: • Diorite- large crystals • Andesite- small crystals • Pumice- blasts from top of volcano.

  5. SEDIMENtary

  6. Formed from layers of natural material The Grand Canyon is mostly sedimentary. Layers can repeat.

  7. metamorphic

  8. Formed by changing one type of solid rock into another. This is known as metamorphism.

  9. References • Geiger, B. (2006). Rock Hound: Rocks tell Earth’s amazing story. National Geographic Explorer, 7-11. • www.google.com/images

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