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Metamorphic and sedimentary
 

Metamorphic and sedimentary

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    Metamorphic and sedimentary Metamorphic and sedimentary Presentation Transcript

    • Metamorphic rock
    • Foliated rocks = bands or lines of minerals
    • Non-foliated rocks= no distinct lines shown
    • Sedimentary rocks
    • Sedimentary rocks
      Sedimentary rocks are formed from sediments
      Sediments are formed from weathering and erosion : examples = soil and sand
    • compaction
      Compaction= the forces of pressure on the bottom layers of sediment.
    • cementation
      cementation = when water and mineral act like glue between the sediments
      Special minerals are calalite , hemalite and limonite.
    • Sedimentary rocks
      Fossils are most commonly found in sedimentary rocks