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The Rock Cycle

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The Rock Cycle. The 3 Types of Rock. - rocks that form from cooling magma - crystals present ( Examples : granite, pumice, obsidian) - rocks changed by heat and pressure - usually have lines in them ( Examples : gneiss, marble)

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The Rock Cycle

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  1. The Rock Cycle

  2. The 3 Types of Rock - rocks that form from cooling magma - crystals present (Examples: granite, pumice, obsidian) - rocks changed by heat and pressure - usually have lines in them (Examples: gneiss, marble) - eroded material builds up in layers - pressure turns layers into rock (Examples: sandstone and limestone) Igneous Rock Metamorphic Rock Sedimentary Rock

  3. Click the picture for a more detailed explanation

  4. Igneous Rock

  5. Granite Basalt Obsidian Pumice

  6. Metamorphic Rock

  7. Schist Gneiss Marble

  8. Sedimentary Rock

  9. Conglomerate Sandstone Limestone

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