Geological Work of Wind
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GEOLOGICAL WORK OF WIND Erosion Transportation Sedimentation
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Transcript of Geological Work of Wind
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GEOLOGICAL WORK OF WIND
ErosionTransportationSedimentation
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Erosion
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METHODS OF WIND EROSION
• DEFLATION• ABRASION• ATTRITION
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FEATURES OF WIND EROSION
1. OASIS:(Deflation feature)
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2. YARDANGS
• Abrasion feature
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3. PEDESTAL ROCKS
• Abrasion feature
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4. VENTIFACTS
Abrasion feature
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5. DESERT PAVEMENTS
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Transportation
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SEDIMENTS TRANSPORTED BY WIND
• METHODS:– CREEP– SUSPENSION– SALTATION
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Deposition
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TYPES OF DEPOSITINAL FEATURE
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1. DUNES
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a) CRESENTIC DUNES
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b. BARCHANS
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c. THE SIGMOIDAL DUNES
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2. LOESS
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