Gurmeet Singh posted an Question
December 06, 2020 • 00:15 am 30 points
  • IIT JAM
  • Geology (GG)

Given ans- upright non plunging sir why don't the answer is inclined non plunging as axial plane seem to be at n45°

The figure shows stereographic projections of the axial plane and the hinge line of a fold. Which one of the following folds is represented in the figure? Axial plane Hinge ine

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    Rahul kumar best-answer

    Answer: Upright non-plunging fold As shown in the diagram, the axial Plane is vertical and hinge line is horizontal (0° plunge). Any fold with vertical axial plane and non-plunging Hinge line is known as upright non-plunging fold.

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    is it not dependent on strike of hinge line? as shown ~N45°

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