Question

The given map shows the outcrop patterns of beds (1 – 4) across a fault plane, F – F’, on a flat ground. X and Y refer to the two blocks across F – F’. Which one of the following options is the correct interpretation of the structure depicted on the map?

• A. A south-easterly plunging synform that was subsequently faulted with block X upthrown
• B. A north-westerly plunging antiform that was subsequently faulted with block Y upthrown
• C. A south-easterly plunging antiform that was subsequently faulted with block X downthrown
• D. A north-westerly plunging synform that was subsequently faulted with block Y downthrown

Answer 1

Answer: (A)

A south-easterly plunging synform that was subsequently faulted with block X upthrown

Answer 2

The Correct answer is (A): A south-easterly plunging synform that was subsequently faulted with block X upthrownA south-easterly plunging synform that was subsequently faulted with block X upthrown