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==Basic concepts==
   
Folds are bends or flexures of layered rock that form in response to motion along [[fault]]s, [[diapirism]], [[compaction]], and regional subsidence or [[uplift]]. Folds are expressed in [[seismic reflection profile]]s as one or more regions of dipping reflections ([[dip]] domains) that correspond to inclined [[stratigraphic]] contacts.
 
Folds are bends or flexures of layered rock that form in response to motion along [[fault]]s, [[diapirism]], [[compaction]], and regional subsidence or [[uplift]]. Folds are expressed in [[seismic reflection profile]]s as one or more regions of dipping reflections ([[dip]] domains) that correspond to inclined [[stratigraphic]] contacts.
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Parallel folds commonly form by a deformation mechanism called flexural slip, where folding is accommodated by motions on minor [[fault]]s that occur along some mechanical layering&mdash;usually bedding. Flexural-slip surfaces, which can be observed in [[core]] or [[outcrop]], may vary in spacing from a few millimeters to several tens of meters in spacing.
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Parallel folds commonly form by a [[deformation]] mechanism called flexural slip, where folding is accommodated by motions on minor [[fault]]s that occur along some mechanical layering&mdash;usually bedding. Flexural-slip surfaces, which can be observed in [[core]] or [[outcrop]], may vary in spacing from a few millimeters to several tens of meters in spacing.
    
==Shortcomings in seismic images of folds==
 
==Shortcomings in seismic images of folds==

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