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Which of the following excavation methods is carried out for the excavation of megalithic stone circles?

  • A.Vertical
  • B.Trial Trench
  • C.Horizontal
  • D.Quadrant

Answer: D

Megalithic stone circles are excavated by the quadrant method.

A stone circle or burial mound is roughly circular, so the excavator divides it into four quarters along two baulks crossing at the centre. Opposite quadrants are dug first, which leaves standing sections across the whole monument and records the burial pit, the fill and the stone ring in relation to each other.

A vertical excavation (a deep trench or sounding) shows the sequence of layers at one spot but not the plan of a circle. A trial trench only tests whether deposits exist. Horizontal (open-area) excavation suits a habitation site where the layout of houses is wanted, not a single circular burial.

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