Question

Which of the following about drag fold is not true?

(a) The axes of the drag folds are parallel to those of the major folds

(b) The drag folds plunge in the same manner as the major folds

(c) The layers on the upper side of the drag folds slide away from the synclinal axis

(d) The axes of the drag folds are not parallel to those of the major folds

I had been asked this question during a job interview.

This key question is from Classification of Folds topic in division Folds and Folding of Engineering Geology

Answer 1

The correct answer is (d) The axes of the drag folds are not parallel to those of the major folds

For explanation: It has been established that the drag folds are parallel to those of the major folds. Hence the last option is wrong. The second and the third also true about drag folds.