Another piece in Stonehenge rock source puzzle

The chances of Stonehenge's spotted dolerites not coming from Carn Goedog are 'infinitesimally small'

Research to be published this month may bring us a step closer to understanding how bluestones from Pembrokeshire ended up at Stonehenge.

Scientists from Aberystwyth University, University College London and National Museum of Wales have located the specific outcrop, Carn Goedog, in the Preseli Mountains.

This is where the distinctive spotted dolerites originated.

The findings are to be published in the Journal of Archaeological Science.

Geologist Herbert Henry Thomas first proposed in 1923 that the rocks which form the giant inner ring were specifically quarried for Stonehenge by Neolithic man around 5,000 years ago, and were hauled to Wiltshire via land and sea.

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