• Thumbnail for Las Médulas
    Las Médulas (Spanish pronunciation: [las ˈmeðulas]) is a historic gold-mining site near the town of Ponferrada in the comarca of El Bierzo (province of...
    13 KB (1,350 words) - 07:38, 9 December 2023
  • Thumbnail for Placer mining
    after its conquest by Augustus in 25 BC. One of the largest sites was at Las Médulas, where seven 30 mile long aqueducts were used to work the alluvial gold...
    22 KB (2,752 words) - 17:42, 26 January 2024
  • Thumbnail for Badlands
    An example of badlands created by mining is the Roman gold mine of Las Médulas in northern Spain.[citation needed] The word badlands is a calque from...
    21 KB (2,277 words) - 16:23, 10 April 2024
  • Park Cuenca Llotja de la Seda Siega Verde Toledo Serra de Tramuntana Las Médulas Barcelona Monte Perdido San Millán Alcalá de Henares Ibiza Tarraco Atapuerca...
    57 KB (2,038 words) - 10:17, 13 December 2023
  • Thumbnail for Hydraulic mining
    Las Médulas and in surrounding areas show badland scenery on a gigantic scale owing to hydraulicking of the rich alluvial gold deposits. Las Médulas is...
    18 KB (2,262 words) - 23:42, 18 April 2024
  • at Dolaucothi in Wales (with a maximum gradient of about 1:700) and Las Medulas in northern Spain. Where sharp gradients were unavoidable in permanent...
    67 KB (9,323 words) - 14:03, 14 December 2023
  • Thumbnail for Hydraulics
    Press. 2012. Centre, UNESCO World Heritage. "Las Médulas". Whc.unesco.org. Retrieved 13 June 2017. "Las Médulas". Castilla y León World Heritage UNESCO (in...
    23 KB (2,548 words) - 19:01, 30 January 2024
  • Thumbnail for El Bierzo
    sites are still visible in the area, one of the most spectacular being Las Médulas, a UNESCO World Heritage Site since 1997. Romans also imported grapevines...
    12 KB (1,167 words) - 00:13, 21 February 2024
  • Thumbnail for Ruina montium
    large enough to fragment thick rock walls. Hushing Hydraulic mining Las Médulas Mountaintop removal mining Pliny the Elder (1857) with John Bostock and...
    2 KB (219 words) - 20:42, 18 January 2024
  • Thumbnail for Ponferrada
    sites are still visible in the area, one of the most spectacular being Las Médulas, a UNESCO World Heritage Site since 1997. Romans also imported grapevines...
    22 KB (1,961 words) - 15:34, 12 April 2024