Trefael Stone reveals stone age burial chamber

The Trefael Stone, seen here with a metre-long measuring stick, is probably the capstone of a Stone Age burial chamber

Archaeologists are to exhume and analyse human bones found under a prehistoric monument only recently identified as a burial site cap.

The Trefael Stone in Pembrokeshire was thought to be just one of many linked to nearby Bronze Age locations.

But it has now been reclassified after a survey established it as the capstone of a Stone Age ritual burial chamber.

The survey revealed the location, near Nevern, has been used for ritual burials for at least 5,500 years.
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BBC - for Archaeology

Actualización 20-02-13. Trefael: the dolmen that became a standing stone
A project to record the prehistoric decoration on the supposedly Bronze Age Trefael stone has revealed the deliberate cannibalisation of an earlier Neolithic monument, and an 8,000 -year focus of human activity. George Nash, Adam Stanford, Carol James, and Thomas Wellicome explain...