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O presente trabalho apresenta os primeiros resultados de um estudo arqueometalurgico detalhado, ainda em curso, efetuado sobre um conjunto de achados metalicos encontrado no sitio de Moinhos de Golas, freguesia de Solveira, concelho de Montalegre. Este, genericamente, atribuido a Proto-historia foi ja objeto de uma primeira publicacao (FONTE et al. 2013).A colecao e composta por 35 objetos, entre os quais se encontram armas, artefactos de adorno e utensilios, entre outros de dificil classificacao funcional.Foram efetuadas radiografias por raios X, analises elementares por micro-EDXRF e observacoes microestruturais por microscopia otica na maioria dos artefactos. As imagens radiograficas revelaram algumas heterogeneidades estruturais nalgumas pecas e as analises elementares demonstraram que a maioria dos artefactos foi produzida numa liga de bronze binaria (Cu-Sn), sendo, no entanto, de destacar o uso de outros metais e ligas, como, por exemplo, cobre e latao. Foram, ainda, observadas microestruturas associadas a diferentes processos de manufatura que poderao envolver ciclos de martelagem e recozimento, com ou sem operacoes de acabamento. Palavras-chave: Arqueometalurgia, Bronze, Composicao elementar, Tecnicas de manufatura, Tecnicas analiticas First results of an archaeometallurgical study of a collection from Moinhos de Golas archaeological site (Montalegre, Portugal) The present work presents the first results of a detailed archaeometallurgical study, still ongoing, on a group of metallic findings from Moinhos de Golas archaeological site (Montalegre, Portugal), generically attributed to the Protohistory, and previously presented in a paper dealing with its discovery (FONTE et al. 2013).The collection is composed by 35 objects, which include weapons, ornaments and tools, among other objects of a more difficult classification.The archaeometallurgical study involved X-ray radiography, elemental analysis by micro-EDXRF and microstructural observations by optical microscopy. The radiographies revealed some structural heterogeneities in some artefacts and the elemental analysis showed that most of the artefacts were produced in a binary bronze alloy (Cu-Sn), being others made in copper and brass. Microstructures associated with different manufacturing processes were observed, which may involve hammering and annealing cycles with or without finishing operations. Keywords: Archaeometallurgy, Bronze, Alloy composition, Manufacturing techniques, Analytical techniques

Estudo arqueometalúrgico do conjunto metálico do sítio arqueológico de Moinhos de Golas (Montalegre, Norte de Portugal): primeiros resultados