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The three-point problem is the determination of a bed's attitude from

  • A.three points of known position and elevation on it
  • B.three separate dip readings at one outcrop
  • C.three boreholes drilled to the same depth
  • D.three formations exposed at one place

Answer: A

Correct answer: three points of known position and elevation on it

Three non-collinear points define a plane, so if the position and height of a bedding surface are known at three places - typically from boreholes - both the strike and the dip follow by construction. It is the standard means of getting attitude where nothing is exposed at the surface.

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