An up fold in rock is:

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NDA (Held On: 16 Dec 2015) General Ability Test Previous Year paper
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  1. graben
  2. Horst 
  3. anticline
  4. syncline

Answer (Detailed Solution Below)

Option 3 : anticline
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The correct answer is option 3 i.e. Anticline.

Anticline

  • An anticline is an upward, curved fold in the layers of rock in the earth's surface. Hence option 3 is correct.
  • They form when rocks are compressed by plate-tectonic forces.
  • They can be as small as a hill or as large as a mountain range. 
  • The top of the arch is called the crest of the anticline.
  • In an anticline, the oldest rocks are at its core or centre.   
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