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
Syncline exposed in Sideling Hill roadcut
Snow-dusted syncline in Provo Canyon, Utah
Road cut near Fort Davis, Texas showing a syncline
Rainbow Basin Syncline in the Barstow Formation near Barstow, California
Structural basin
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A structural basin is a large-scale structural formation of rock strata formed by tectonic warping of previously flat-lying strata into a syncline fold. They are geological depressions, the inverse of
Syncline
…and with a reverse sequence of the same rock layers on the opposite side of the hinge. If the fold pattern is circular or elongate, the structure is a basin. Folds typically form during crustal deformation as the result of compression that accompanies orogenic mountain building. Powder River Basin, Wyoming…
Wilpena Pound structural basin in South Australia
Wilpena Pound structural basin