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زمینشناسی و معدن::
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change in orientation (tilt- ing) of the once flat-lying sedimentary layers and is called rotation.
When flat-lying sedimentary layers are uplifted and tilted, their orientations change, but their shapes are often retained.
Anticlines occur when compres- sional stresses squeeze sedimentary layers into arch-like folds.
The inclined strata shown in Figure 10.14 once extended over the sedimentary layers now
Strike and dip can be used to describe the orienta- tion of sedimentary layers, dikes, joints, and other planar structures, in addition to faults.
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