Proceedings of the Society of Antiquaries of Scotland 101

Evidence provided by grave-groups, hoards, metal analyses and correlations with stone moulds is used in conjunction with typology and distribution to establish a sequence of three industrial phases. Local production of metalwork began in the 18th century BC, and the first real industrial phase, Migdale, includes broad- and thin-butted flat axes, riveted flat knives, tanged daggers, spiral armlets and tubular beads, using Scottish or Irish ore-sources. The Colleonard phase in the 17th and early 16th centuries is characterised by the production of thin-butted axes, riveted knives, halberds, bar armlets and awls. Goldwork in the form of pommel-mounts, ear-rings and lunulae is attributed primarily to this phase. Flanged axes, spearheads and new forms of knife appear in the later 16th and 15th centuries during the Gavel Moss phase. A R