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Mineralogical attenuation for metallic remediation in a passive system for mine...
Valente, Teresa Maria Fernandes; Antunes, M.; Braga, M. A. Sequeira; Prudêncio, M. I.; Marques, R.; Pamplona, J.Passive systems with constructed wetlands have been consistently used to treat mine water from abandoned mines. Long-term and cost-effective remediation is a crucial expectation for these water treatment facilities. To achieve that, a complex chain of physical, chemical, biological, and mineralogical mechanisms for pollutants removal must be designed to simulate natural attenuation processes. This paper aims to...
Chemical tracers of Lusitanian amphorae kilns from the Tagus estuary (Portugal)
Dias, M. I.; Prudêncio, M. I.; Gouveia, M. A.; Trindade, M. J.; Marques, R.; Franco, D.; Raposo, J.; Fabião, Carlos; Guerra, AmílcarIn this paper, the characterization of Roman amphorae from the Porto dos Cacos (PC) and Quinta do Rouxinol (QR) workshops, in the Tagus estuary, dating to a period between the 1st and 5th century AD was carried out on the basis of instrumental neutron activation analysis data on 260 amphorae fragments, together with mineralogical compositional studies obtained by X-ray diffraction. Special attention was devoted...
Geochemical fingerprinting of Roman pottery production from Manta Rota kilns (S...
Dias, M. I.; Viegas, Catarina; Gouveia, M. A.; Marques, R.; Franco, D.; Prudêncio, M. I.The Roman site of Manta Rota, located in Algarve region, Portugal, is known from the XIXth century when Estacio da Veiga recovered a few pottery fragments and identified the foundations of Roman structures. References in early XXth century refer to a pottery kiln and to the remains of both amphorae and lamps. In 1992, emergency excavations directed by Cristina Garcia excavated a structure identified as a kiln a...
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