The Tresminas mining area is one of the most spectacular cultural landscapes in northwest Hispania. About 2000 years ago, a detachment of one of the powerful Roman legions settled in the Serra da Pradela to organise and control the large-scale gold mining of Tresminas and Jales (Vila Pouca de Aguiar, Vila Real, Portugal).
The spectacular traces of this exploitation can still be seen at Tresminas: two large mining cuttings (Covas and Ribeirinha) and a smaller one (Lagoinhos), as well as deep galleries dug mainly to allow the treatment and evacuation of all the extracted rock and an extensive network of water supply channels for the mines, which start in dams and end in storage reservoirs.

Galeria dos Alargamentos
There are also enormous dumps that fill the valleys and one of the most characteristic elements of this mining area: a large number of granite pestle and mortar mills used in the final grinding of the ore.
But there also remain important testimonies of the men and women who lived and worked in Tresminas, and who died there in the first two centuries of our Era. As a result of the activity carried out there for more than 200 years, these gold mines have become one of the most important in the entire Roman Empire. Today, the gold mining territory of Tresminas, being the most complex and best preserved and extending over several kilometres, is the most important in Roman Portugal.

Collection: Multimedia

Project: 0. What is Europe? The European Spaces in the history of Europe., 2. Social and economic impact of technological revolutions in Europe.

Chronology: -

Scope: Secondary Education

Link: https://www.youtube.com/watch?v=MK3HjgtNmO0

Resource type: Video

Format: Multimedia

Owner: Arqueological National Museum of Spain (MAN) (Modernalia)

Abstract: The Tresminas mining area is one of the most spectacular cultural landscapes in northwest Hispania. About 2000 years ago, a detachment of one of the powerful Roman legions settled in the Serra da Pradela to organise and control the large-scale gold mining of Tresminas and Jales (Vila Pouca de Aguiar, Vila Real, Portugal). The spectacular traces of this exploitation can still be seen at Tresminas: two large mining cuttings (Covas and Ribeirinha) and a smaller one (Lagoinhos), as well as deep galleries dug mainly to allow the treatment and evacuation of all the extracted rock and an extensive network of water supply channels for the mines, which start in dams and end in storage reservoirs. Galeria dos Alargamentos There are also enormous dumps that fill the valleys and one of the most characteristic elements of this mining area: a large number of granite pestle and mortar mills used in the final grinding of the ore. But there also remain important testimonies of the men and women who lived and worked in Tresminas, and who died there in the first two centuries of our Era. As a result of the activity carried out there for more than 200 years, these gold mines have become one of the most important in the entire Roman Empire. Today, the gold mining territory of Tresminas, being the most complex and best preserved and extending over several kilometres, is the most important in Roman Portugal.

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