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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Geology (GG)
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2 Answer(s)
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Sajan sarthak Best Answer
From Andresons theory of conjugate faulting fracture or fault developes perpendicular to sigma 3 and lies in a plane containing sigma 1 and sigma 2. So the strike of both conjugate fault will develop parallel to NW - SE because the orientation of sigma 3 is NE so perpendicular to it ,both will develope. In case of conjugate faulting the fault is at high angle to sigma 3 Possible answer is option D. Figure below for reference
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Rahul kumar
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Answer: (D) Both fault strikes NW-SE Strike of conjugate faults remain same (dip direction of conjugate faults are opposite). Strike of conjugate Fault will be perpendicular to the sigme-3 direction. Here, in the diagram the sigma-3 direction is towards NE, so the strike of conjugate faults should be towards NW-SE. Please see the diagram attached below.
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sir answer is D.other tutor said same option D
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Rahul kumar
Yes Anukriti. Strike will be same but the dip direction will be opposite. I have updated the Answer. Please see that.