Subject IV. Metamorphic Rock

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SubjectIV. Metamorphic Rock

• Mrs. Watkins 6th Grade Earth Science

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Slate
Schist
Gneiss
Quartzite
Marble
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Main Idea Detail

• A. How Metamorphic Rocks Form (Origin)

• Meta means change
• Morphos means shape
• Heat and pressure deep beneath Earths surface
  can change any rock into metamorphic rock.
• Can form from igneous rock, sedimentary rock, and
  other metamorphic rock.

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Main Idea Detail

• B. Classifying Metamorphic
• Rocks
• Write the two examples
• Gneiss Schist

• -Classified by the pattern of grains that make up
  the rocks.
• Foliated Rocks rocks whose grains are arranged
  in parallel layers or bands

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Main Idea Detail

• B. Classifying Metamorphic Rocks
• Write the two examples
• Marble Quartzite

• 2. Nonfoliated Rocks rocks whose grains are
  arranged randomly. No pattern/layers.

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C. Uses of Metamorphic Rocks

• Marble and Slate are the most used
• Marble used because it can be cut into thin slabs
  and it is easy to polish.
• Slate splits easily into flat pieces and can be
  used for flooring, roofing, walkways, and
  chalkboards.
• DO NOT copy this slide. Just read!