Rocks and Weathering

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Rocks and Weathering

  1. 1. ROCKS AND WEATHERING Made By :- Maria and Maida VIII-H
  2. 2. What are rocks?
  3. 3. Igneous Rocks
  4. 4. Igneous rocks • They are volcanic and form from molten material. • There are rocks like granite, which are formed by magma • Granite rocks can be very old.
  5. 5. SEDIMENTARY ROCKS
  6. 6. Sedimentary rocks • Sedimentary rocks are formed from eroded fragments of other rocks or even from the remains of plants or animals. • Fossils are most frequently found in sedimentary rock, which comes in layers, called strata.
  7. 7. Metamorphic rocks
  8. 8. METAPHORIC ROCKS • Metamorphic rocks are sedimentary or igneous rocks that have been transformed by pressure, heat, or the intrusion of fluid • Marble is metamorphosed limestone, quartzite is metamorphosed sandstone, and gneiss, another common metamorphic rock, sometimes begins as granite.

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