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Discussion

On a geological map, the dip arrow symbol conveys

  • A.the strike direction only
  • B.the direction of true north
  • C.the position of a borehole
  • D.the direction of dip and its amount

Answer: D

Correct answer: the direction of dip and its amount

The symbol is a short arrow drawn in the direction of true dip with the angle written beside it, and the line at right angles across it gives the strike. So a single symbol conveys the complete attitude of the bed at that point.

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