Rocks and The Rock Cycle - PowerPoint PPT Presentation

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Rocks and The Rock Cycle

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Title: Rocks and The Rock Cycle Author: Susan Thurston Last modified by: User Created Date: 12/3/2007 12:53:10 AM Document presentation format: On-screen Show (4:3) – PowerPoint PPT presentation

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Title: Rocks and The Rock Cycle


1
Rocks and The Rock Cycle
2
3 Main Rock Types
3
3 Main Rock Types
4
Igneous
5
Igneous
6
IGNEOUS---Extrusive Little or NO Crystals!
7
IGNEOUS---Extrusive Little or NO Crystals!
8
IGNEOUS---Extrusive Little or NO Crystals!
9
IGNEOUS---ExtrusiveLittle or NO Crystals!
10
Igneous
11
IGNEOUS---IntrusiveLarge Interlocking Crystals!!!
12
IGNEOUS---Intrusive Large Interlocking Crystals!
13
IGNEOUS---Intrusive Large Interlocking Crystals!
14
IGNEOUS---Intrusive Large Interlocking Crystals!
15
3 Main Rock Types
16
How to make a clasticsedimentary rock
17
Sedimentary
18
3 Main Rock Types
19
Metamorphic rocks form from HEATPRESSURE
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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