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
Syncline
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In structural geology, a syncline is a fold with younger layers closer to the center of the structure, whereas an anticline is the inverse of a syncline. A synclinorium is a large syncline with superi
Fold (geology)
…Anticline: linear, strata normally dip away from the axial center, oldest strata in center irrespective of orientation. Syncline: linear, strata normally dip toward the axial center, youngest strata in center irrespective of orientation. Antiform: linear, strata dip away from the…
Syncline exposed in Sideling Hill roadcut
Snow-dusted syncline in Provo Canyon, Utah
Road cut near Fort Davis, Texas showing a syncline