Question
Discuss the geometrical classification of folds with the help of neat well (10) labelled diagrams.
Answer :
Word Count : 422
Folds are bends or warps in layered rock strata caused by compressional forces. In physical and structural geology, folds are classified based on their geometry, which includes the orientation of their axial planes, limbs, and the plunge of their hinge lines. The main geometrical classifications are based on interlimb angle, orientation of axial plane, and plunge of fold axis. 1. Based on Interlimb Angle * Gentle Fold: Interlimb angle between 180° and 120°. The limbs are only slightly inclined. * Open Fold: Interlimb angle __________ ___ ____ ____ ____ ________ ______ _____ _____ ____.
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Folds are bends or warps in layered rock strata caused by compressional forces. In physical and structural geology, folds are classified based on their geometry, which includes the orientation of their axial planes, limbs, and the plunge of their hinge lines. The main geometrical classifications are based on interlimb angle, orientation of axial plane, and plunge of fold axis. 1. Based on Interlimb Angle * Gentle Fold: Interlimb angle between 180° and 120°. The limbs are only slightly inclined. * Open Fold: Interlimb angle __________ ___ ____ ____ ____ ________ ______ _____ _____ ____.
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