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Forces
1)TensionTension
2)CompressionCompression
3)ShearingShearing
Tension
.
Compression
.
Shearing
.
Question?
Where do most mountains form?a) Rocky mountains
b) At the west
c) Near the edge of tectonic plates
Answer
Where do most mountains form?
c) Near the edge of tectonic plates
Folds
• Syncline• Anticline
syncline
• Syncline: a fold in a shape of a U
Anticline
• Anticline: a shape of an arch
FaultsFaults
1)normal 2)reverse 3)strike-slip
Normal FaultNormal Fault
• Normal fault: when the hanging wall has moved downward
Reverse FaultReverse Fault
• Reverse fault: when the hanging wall has moved upward
Strike-Slip faultStrike-Slip fault
• Strike-Slip fault: a fault in which surfaces are in opposite sides and have moved horizontally
Notes What forces cause
mountains to form?a.a. TensionTensionb.b. CompressionCompressionc.c. ShearingShearing Where do most Where do most
mountains form?mountains form? - Near the edge of - Near the edge of
plate tectonicplate tectonic
Notes
What are the common types of What are the common types of folds, and how might they folds, and how might they look at the surface of earth?look at the surface of earth?
a.a. AnticlineAnticline
b.b. SynclineSyncline
Notes
What are the common types of What are the common types of faults, and how might they faults, and how might they look at the surface of the look at the surface of the earth?earth?
• NormalNormal• ReverseReverse• Strike-slip Strike-slip