GS 106 Geology

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• Today
• TEST 2
• Intro Sedimentary Rocks
• LAB Sedimentary Rocks
• Thursday
• DUE Field Trip Write Up
• Earthquakes
• READ Chapter 14
• Next Tuesday
• Plate Tectonics
• READ Chapt 15 16

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Seattle, February1997
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Rock Cycle Fig. 1.0
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Importance of Sedimentary Rocks?
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Abundant
Sedimentary Cover North America
http//nationalatlas.gov/articles/geology/types/se
dimentary.html
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Resource
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Geologic Record
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Importance of Sedimentary Rock

• Abundant
• Resource
• Geological Record

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Creating Sedimentary Rocks

• Weathering
• Erosion
• Transport
• Deposition
• Burial
• Lithification

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Sediment is made of.
Sediment
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In more detail..
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Table 6.1
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Where do you find sediment?
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Fig 6.16
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Fig 6.16
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Two Types of Sedimentary Rocksdetrital vs.
chemical
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Classifying Detrital Sedimentary Rocks

• Size matters!

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Classifying Chemical Sedimentary Rocks

• Composition matters!

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Fig. 6.14
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Old Version (8th ed.)
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For Thursday 11/08

• DUE Field Trip Write Up
• Sedimentary Environments
• Earthquakes
• READ Chapter 14