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Impact of mining on the environment and water resources in northeastern Angola

2018; Volume: 6; Linguagem: Inglês

10.7809/b-e.00318

1613-9801

Lopes Ferreira-Baptista, José Manuel, Paulo Francisco Aguiar, Maria João Veloso da Costa Ramos Pereira,

Mining Techniques and Economics

the interests and responsibility taken by the explorer.The extraction of diamonds in the northeastern Angolan provinces of Lunda Norte and Lunda Sul dates back to the fi rst decade of the 1900s, thanks to the discovery of large deposits of diamond, which are still being exploited there today.The deposition of phanerozoic sedimentary sequences resting discontinously on previously eroded surfaces (Pereira et al., 2003) and the subsequent breakup of Gondwana during the Jurassic to Cretaceous, between 190 and 60 Ma (e.g., Jelsma et al., 2004), caused the development of basins that are associated with deep fault systems in Angola.These fault systems facilitated the intrusion of alkaline, carbonatic, and kimberlite magmas (Pereira et al., 2003) and permitted the