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Rocks and The Rock Cycle. 3 Main Rock Types Igneous Sedimentary Metamorphic.

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Presentation on theme: "Rocks and The Rock Cycle. 3 Main Rock Types Igneous Sedimentary Metamorphic."— Presentation transcript:

1 Rocks and The Rock Cycle

2 3 Main Rock Types Igneous Sedimentary Metamorphic

3 3 Main Rock Types Igneous Sedimentary Metamorphic

4 Igneous EXTRUSIVE Forms when lava cools quickly on the Earths surface Forms from molten rock cooling and solidifying INTRUSIVE Magma cools slowly over millions of years deep beneath the surface

5 IGNEOUS---Extrusive Little or NO Crystals! Lava cools on the surface so fast mineral do not get a chance to form Extrusive rocks can be divided into two categories based on color

6 Igneous EXTRUSIVE Forms when lava cools quickly on the Earths surface Forms from molten rock cooling and solidifying INTRUSIVE Magma cools slowly over millions of years deep beneath the surface

7 IGNEOUS---Intrusive Large Crystals!!! Magma cools slowly over millions of years… LARGE CRYSTALS FORM Intrusive rocks can also be divided into two categories based on color

8 3 Main Rock Types Igneous Sedimentary Metamorphic

9 How to make a clastic sedimentary rock Weathering and Erosion TransportationDeposition Compaction and Cementation Sedimentary Rock

10 Sedimentary Sedimentary rocks are divided into two categories Chemical Mineral are dissolved in to the water…water is evaporated off and leaves behind chemical sedimentary rocks Examples are Halite, Limestone and Gypsum Clastic Made from eroded fragments of other rocks Shale Microscope grains of mud cemented together Sandstone Sand grains cemented together Conglomerate Pebble to boulder size fragments cemented together

11 3 Main Rock Types Igneous Sedimentary Metamorphic

12 Common Metamorphic Rocks Parent RockMetamorphic Rock GraniteGneiss ShaleSlate SandstoneQuartzite

13 The Rock Cycle


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