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Rocks and The Rock Cycle

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Presentation on theme: "Rocks and The Rock Cycle"— 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 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

6 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 Dark colors black-brown-red Basalt Obsidian Light colors white-gray-pink Rhyolite

7 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 Dark colors black-brown-red Basalt Obsidian Light colors white-gray-pink Rhyolite

8 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 Dark colors black-brown-red Basalt Obsidian Light colors white-gray-pink Rhyolite

9 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 Dark colors black-brown-red Basalt Obsidian Light colors white-gray-pink Rhyolite

10 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

11 IGNEOUS---Intrusive Large Interlocking Crystals!!!
Magma cools slowly over millions of years… LARGE CRYSTALS FORM Intrusive rocks can also be divided into two categories based on color Dark colors black-brown-green Gabbro Light colors white-gray-pink Granite

12 IGNEOUS---Intrusive Large Interlocking Crystals!
Magma cools slowly over millions of years… LARGE CRYSTALS FORM Intrusive rocks can also be divided into two categories based on color Dark colors black-brown-green Gabbro Light colors white-gray-pink Granite

13 IGNEOUS---Intrusive Large Interlocking Crystals!
Magma cools slowly over millions of years… LARGE CRYSTALS FORM Intrusive rocks can also be divided into two categories based on color Dark colors black-brown-green Gabbro Light colors white-gray-pink Granite

14 IGNEOUS---Intrusive Large Interlocking Crystals!
Magma cools slowly over millions of years… LARGE CRYSTALS FORM Intrusive rocks can also be divided into two categories based on color Dark colors black-brown-green Gabbro Light colors white-gray-pink Granite

15 3 Main Rock Types Igneous Sedimentary Metamorphic

16 How to make a clastic sedimentary rock
Weathering and Erosion Transportation Deposition Compaction and Cementation Sedimentary Rock

17 Sedimentary Chemical Clastic Shale Sandstone Conglomerate
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

18 3 Main Rock Types Igneous Sedimentary Metamorphic

19 Metamorphic rocks form from HEAT&PRESSURE
Two types of metamorphism Contact Rock surrounding a magma body get cooked and changes due Regional Tectonic forces Metamorphism occurs over a large area

20 Contact Metamorphism Deep underground, zones of metamorphism form around the hot magma of batholiths. L.Gardiner/Windows Original

21 Regional Metamorphism
Tectonic forces smash continents together. The rocks get heated and become semi-molten. The added pressure causes the mineral to separate into bands and sometime to even flow before cooling again!

22 Common Metamorphic Rocks
Parent Rock Metamorphic Rock Granite Gneiss Shale Slate Sandstone Quartzite

23 The Rock Cycle

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