Down your way Blight (1845)noted that the barrow at Pelynt had the different coloured soils showed “ strong evidence of design in their arrangement “ and “the surrounding neighbourhood furnishes no soil at all like them , either in colour or confirmation “ . Later Borlase digging at Tregiffan barrow mentioned sea shell sand had been used to line discrete small stone capped pit when the nearest cove to the site was 3-4 miles away .