Friday, October 18, 2013

0212 – A wood henge at Outeiro Alto

A concentration of pits in a very small area was excavated at Outeiro Alto 2. The concentration was generically circular (Figure 1). 

Figure 1

The pits were all almost empty of archaeological material. In the periphery there were three Late Neolithic hypogea and a grave pit (Figure 2).

Figure 2

To try to understand the concentration of pits in this small area, with no overlaps and surrounded by tombs, a study of the morphology and volumes of the pits was done. It was possible to cluster the pits in three groups of sizes and deepness (Figure 3).

Figure 3

When those clusters were plotted in the plan, a pattern emerged (Figure 4): the deepest pits formed a circle with a square in the centre and two pits towards north; then surrounded by the smallest pits; and the intermediate pits scattered in the SW area. 

Figure 4

The distribution, the size of the central pits and the absence of archaeological material inside them (just two or three small shards of pottery) clearly suggest a circular wooden structure of henge type surrounded by the tombs.

This context is published here: Valera & Filipe,2012

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