Britânicos da Idade do Bronze usavam ferramentas de osso para a mineração de cobre

Um novo estudo mostra que os habitantes da Grã-Bretanha na Idade do Bronze continuaram a depender de ferramentas de ossos de animais para a extração de cobre na mina de Great Orme, no norte do País de Gales, mesmo após a disponibilidade de ferramentas de metal. Os pesquisadores examinaram 150 artefatos de osso e descobriram que eles foram moldados para tarefas específicas, como dividir rochas e raspar minério. A prática durou pelo menos nove séculos, entre 3700 e 2800 anos atrás.

A análise concentrou-se em ossos provenientes do complexo de mineração de cobre da Idade do Bronze em Great Orme. Mais de 30.000 fragmentos de ossos foram recuperados do local desde o início das escavações no início da década de 1990. Mais da metade veio de bovinos, enquanto outros eram de ovelhas, cabras e porcos. As arqueólogas Olga Zagorodnia, do British Museum, e Harriet White, pesquisadora independente, utilizaram microscopia de alta resolução e experimentos com réplicas para identificar o modelamento deliberado e os padrões de desgaste pelo uso nos ossos.

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