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The rule of Vs states that a dipping bed crossing a valley forms a V pointing

  • A.in the direction of dip
  • B.opposite to the direction of dip
  • C.always upstream
  • D.always downstream

Answer: A

Correct answer: in the direction of dip

Where a dipping bed crosses a valley the outcrop is deflected up-valley, and the apex of the resulting V points in the direction of dip. It is the most useful rule on a geological map, since it lets the dip direction be read from the outcrop pattern alone with no symbol present. Vertical beds cross valleys in a straight line.

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