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The role of land gravity data in the Neves-Corvo mine discovery and its use in present-day exploration and new target generation

2019; Wiley; Volume: 37; Issue: 8 Linguagem: Inglês

10.3997/1365-2397.n0051

1365-2397

Fábio Marques, João Xavier Matos, Pedro Sousa, Patrícia Represas, Vítor Araújo, J. Carvalho, Igor Morais, Elsa Pacheco, Luís Albardeiro, Pedro Gonçalves,

Geophysical and Geoelectrical Methods

Several blind massive sulphide deposits associated with the Iberian Pyrite Belt (IPB) Volcano-Sedimentary Complex (VSC) (Figure 1) were discovered in SW Iberia using joint interpretation of geological and geophysical models, such as Neves-Corvo (Albouy et al., 1981; Leca et al., 1983) and Lagoa Salgada (Oliveira et al., 1998) in Portugal, and Valverde and Las Cruces in Spain. In the IPB Portuguese sector, the former government agencies Serviço de Fomento Mineiro (SFM) and Instituto Geológico e Mineiro (IGM), as well as LNEG, fostered the acquisition of systematic geophysical surveys, in particular gravimetry, in the region during the second half of the 20th century.