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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Rahul kumar
Answer (B) Gently plunging fold Any open fold will appear as tight if the section will be Parallel or nearly parallel to the fold axis. Here, in this case in horizontal plane the fold is appearing tight which suggests that the fold axis is very gently plunging. That's why this fold can be called as a Gently plunging fold.