ground or weathered? this capstone-like boulder at carn brea’s neolithic tor enclosure is remarkable for its sculptural form. the site contains over 100 hut circles and many hundreds of flint arrowheads were discovered within its walls. . the site also revealed many cornish greenstone axe heads thought to originate from sources close by at the viaduct farm area of the polstrong valley near camborne. unlike knapped flint these greenstone axes were ground into shape, polished to form its cutting edge and distributed across many parts of britain. . could the multi-curved surfaces of this large stone be the result of its use as a massive grinding stone to shape and polish these axes…? . . #carnbrea, #neolithic, #torenclosure, #hutcircles, #cornishaxes, #greenstone, #axeheads, #secretecornwall, #penwith, #cornwalllandscapes, #prehistory, #axefactory,