... Infesta, where the Urgeiriça Mine is well represented. All the solid samples were finely ground in an agate mortar to <200 mesh. A tri-acid attack in a Teflon reactor was used to dissolve the solid samples. Five ml of HNO 3 (Merck, 60%, ultrapure) and 2 ml of concentrated HF (Riedel-de-Haën, 48...

... the uranium mines of Urgeiriça, Pinhal do Souto (which had just commenced operations) and Cunha Baixa, as well as some copper mines where copper phosphates were abundant: Miguel Vacas, Mociços and Mostardeira. It was a privilege as all those mines are now closed. Some have become well known for the beautiful...

... . Pereira A.J.S.C. Neves L.J.P.F. Dias J.M.M. Barbosa S.V.T. 2005 . Environmental hazards at the former uranium mines Urgeiriça, Cunha Baixa and Quinta do Bispo . In: Fack W. (eds) Environmental Contamination from Uranium Production Facilities and their Remediation...