The mines at Roşia Montană in Transylvania were being also pretty large, and till extremely lately,[when?] nevertheless mined by opencast strategies. Additionally they exploited more compact deposits in Britain, including placer and tough-rock deposits at Dolaucothi. The assorted strategies they utilised are well described by Pliny the Elder in his https://brookschmos.ktwiki.com/792905/kaufe_an_overview