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Tectonic landscapes
 
What impact does tectonic activity have on landscapes and why does this impact vary? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Extrusive volcanic landforms ,[object Object]
fissure eruption Mid-ocean ridge: creation of sea floor
Hotspots
[object Object]
Intrusive Volcanic Landforms ,[object Object]
Batholith ,[object Object]
Stock ,[object Object],Laccolith ,[object Object],Plutons ,[object Object]
Dike ,[object Object]
 
Sills ,[object Object]
Vein ,[object Object]
Landforms and Rock Structure ,[object Object],[object Object],[object Object],[object Object]
Tectonic landscapes created by Earthquakes ,[object Object],[object Object],[object Object]
Faults ,[object Object],[object Object],[object Object]
 
Strike-Slip Faults ,[object Object],[object Object],[object Object]
Tectonic Landforms Faults and Fault Landforms Transcurrent  or  Strike-slip  Faults are produced when tectonic plates move past each other horizontally
Normal Faults ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Reverse Faults ,[object Object],[object Object],[object Object],[object Object]
Tectonic Landforms Faults and Fault Landforms Reverse  and  overthrust  faults are produced by compression in the crust
 
The Great Rift Valley ,[object Object]
Graben ,[object Object]
 
 
 
Tectonic Landforms Faults and Fault Landforms Normal faults are produced by crustal extension
Folding ,[object Object]
 
Tectonic Landforms Fold Belts Compression from tectonic activity produces folds in rock strata Anticlines : upbends Synclines:  troughs Folds : corrugations of strata caused by crustal compression
Tectonic Landforms ,[object Object],[object Object],[object Object]
Land deformation

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