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MIna_da_Toca
MIna from A Toca

A Toca is about 880 m long, 40-100 m wide, and an advance front 15 to 30 m high. Along with this, it maintains other structures typical of gold mining: deposits, distribution channels, exploitation and drainage.

Different studies suggest its exploitation between the 1st to 3rd centuries AD. C.

MIna de Margaride

To improve performance in obtaining gold, the Romans devised systems to move and wash large amounts of earth in secondary gold mining: the wrinkle. The arrugiae were actually several systems that had in common the use of the force of water. Water that they brought from great distances. In Margaride they used the so-called Montium Ruin . 

Mina_Margaride.jpg
Mina_Covallon.jpg
Mine of O Covallón

This mine was a primary gold mine, like that of A Toca. They extracted the mineral from it, which they then crumbled, by hand with heavy mallets or with the pressing mortar moved by water for larger quantities, or with other methods. The end result was a mixture of fine-grained earth and rock in which the gold was mixed, which was separated by batting or other systems.

MIna_da_Toca
Montefurado Tunnel

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MIna_da_Toca
Romeor Tunnel

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