Fold (geology)
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In structural geology, a fold is a stack of originally planar surfaces, such as sedimentary strata, that are bent or curved during permanent deformation. Folds in rocks vary in size from microscopic c
Folds of alternate layers of limestone and chert occur in Greece. The limestone and chert were originally deposited as flat layers on the floor of a deep sea basin. These folds were produced by Alpine deformation.
Kink band folds in the Permian of New Mexico, USA
Rainbow Basin syncline in the Barstow Formation near Barstow, California
Chevron folds, Ireland
Anticline
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In structural geology, an anticline is a type of fold that is an arch-like shape and has its oldest beds at its core, whereas a syncline is the inverse of an anticline. A typical anticline is convex u
Fold (geology)
…curvature of the inner and outer lines of a fold and the behavior of dip isogons, the lines connecting points of equal dip on adjacent folded surfaces: Anticline: linear, strata normally dip away from the axial center, oldest strata in center irrespective of orientation. Syncline: linear, strata normally dip…
Anticline near Ehden, Lebanon
Castlemaine Anticlinal Fold
Harpea's Cave in southern France
Tight folds in limestone and chert, Crete, Greece