Gurmeet Singh posted an Question
November 28, 2020 • 23:12 pm 30 points
  • IIT JAM
  • Geology (GG)

A 'gentle' fold with an interlimb angle equal to 160 appears tight (apparent interlimb angle equal to 20°) in horizontal section. according to the plunge of the

A 'gentle' fold with an interlimb angle equal to 160 appears tight (apparent interlimb angle equal to 20°) in horizontal section. According to the plunge of the fold axis, it can also be classified as (A) horizontal fold. (C)steeply plunging fold. (B) gently plunging fold. (D) vertical fold.

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    Rahul kumar best-answer

    Answer (B) Gently plunging fold The fold appears tight in the horizontal section indicates that the hinge line of the fold axis makes very low angle with the horizontal plane. Hinge line making with low angle with horizontal plane indicates low Plunge amount i.e. the fold is gently plunging in nature. Note: Any gently plunging fold may appear tight fold in section if the section is cut at a low angle with the hinge line of the fold.

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    Sajan sarthak Best Answer

    gently plunging fold If a gently plunging fold is cut as horizontal section it would appear tight although it's gentle open fold

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