STRUCTURE%20OF%20THE%20EARTH - PowerPoint PPT Presentation

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STRUCTURE%20OF%20THE%20EARTH

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Title: PowerPoint Presentation Author: Valued Gateway Client Last modified by: Dave Hardin Created Date: 6/30/2002 8:20:43 PM Document presentation format – PowerPoint PPT presentation

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Title: STRUCTURE%20OF%20THE%20EARTH


1
STRUCTURE OF THE EARTH
2
STRUCTURE OF THE EARTH
Inner Core
D. Hardin
3
STRUCTURE OF THE EARTH
Inner Core
Outer Core
D. Hardin
4
STRUCTURE OF THE EARTH
Inner Core
Outer Core
Mantle
D. Hardin
5
STRUCTURE OF THE EARTH
Inner Core
Outer Core
Mantle
D. Hardin
6
STRUCTURE OF THE EARTH
Inner Core
Outer Core
Mantle
Crust
D. Hardin
7
STRUCTURE OF THE EARTH
D. Hardin
8
LITHOSPHERE
Continental Crust
Oceanic Crust
Asthenosphere
Upper Mantle
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9
Rocks Minerals
10
ROCK CYCLE
Earths surface
Intrusive Igneous
D. Hardin
11
INTRUSIVE IGNEOUS ROCK
Petersburg Granite - Virginia
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12
INTRUSIVE IGNEOUS ROCK
Giants Causeway, N. Ireland
Sheepeater Cliff, Yellowstone NP, Wyoming
D. Hardin
13
ROCK CYCLE
Extrusive Igneous
Earths surface
Intrusive Igneous
Rise of magma
D. Hardin
14
EXTRUSIVE IGNEOUS ROCK
Volcanic ash
Obsidian
Obsidian tools
Ash (magnified)
Lava (pahoehoe)
D. Hardin
15
ROCK CYCLE
Weathering Disintegrate Decompose Dissolve
Extrusive Igneous
Uplift uncovering
Earths surface
Rise of magma
Intrusive Igneous
Rise of magma
D. Hardin
16
WEATHERING
DISINTEGRATE
biological weathering
frost wedging
sandblasting
DISSOLVE
DECOMPOSE
Coolest job in America!
17
ROCK CYCLE
Weathering Disintegrate Decompose Dissolve
Extrusive Igneous
Erosion deposition
Uplift uncovering
Earths surface
Rise of magma
Burial lithification
Intrusive Igneous
Sedimentary
Rise of magma
D. Hardin
18
SEDIMENTARY ROCK
Grand Canyon, Arizona
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19
SEDIMENTARY ROCK
Environment
Sediment
Rock
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20
ROCK CYCLE
Weathering Disintegrate Decompose Dissolve
Extrusive Igneous
Erosion deposition
Uplift uncovering
Earths surface
Rise of magma
Burial lithification
Intrusive Igneous
Sedimentary
Metamorphism
Rise of magma
Metamorphic
Metamorphism
D. Hardin
21
METAMORPHIC ROCK
Sedimentary parent
Michelangelos David
D. Hardin
22
ROCK CYCLE
Weathering Disintegrate Decompose Dissolve
Extrusive Igneous
Erosion deposition
Uplift uncovering
Earths surface
Rise of magma
Burial lithification
Intrusive Igneous
Sedimentary
Metamorphism
Rise of magma
Metamorphic
Metamorphism
Melting
D. Hardin
23
To Review!
24
CLASSROOM EXAMPLES
Intrusive Igneous
COOLED SLOWLY UNDER THE SURFACE!
CRYSTALS!
HARD! STRONG! MADE TO LAST!
(all granite)
D. Hardin
25
CLASSROOM EXAMPLES
Extrusive Igneous
COOLED QUICKLY ABOVE THE SURFACE!
volcanic ash
NO CRYSTALS!
VOLCANIC GLASS!
obsidian
lava
pumice
D. Hardin
26
CLASSROOM EXAMPLES
Sedimentary
MADE OF BURIED SEDIMENTS!
fossiliferous limestone
sandstone
FOSSILS!
shale
coal (bituminous)
LAYERED!
D. Hardin
27
CLASSROOM EXAMPLES
Metamorphic
CHANGED INSIDE THE EARTH!
STRONGER THAN THE PARENT ROCK!
schist
quartzite
CAN HAVE SOME QUALITIES OF THE PARENT ROCK!
marble
D. Hardin
28
ROCK CYCLE
Weathering Disintegrate Decompose Dissolve
Extrusive Igneous
Erosion deposition
Uplift uncovering
Earths surface
Rise of magma
Burial lithification
Intrusive Igneous
Sedimentary
Metamorphism
Rise of magma
Metamorphic
Metamorphism
Melting
D. Hardin
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