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ANDALUCÍA A study by the Consejo Superior de Ingenieros de Minas (Superior Council of Mining Engineers) says that 40% of Spain's non-conventional gas is likely to be found in Andalucía, some 48 trillion cubic metres and enough to supply the country for 39 years. These are estimates that must be corroborated by more specific analyses, says the report. The best sites, according to Professor Ángel Cámara, who headed the study, are the Guadalquivir Valley, the old coal mining area of the Guadiato, Villanueva del Río and Minas, as well as the southern part of the province of Cádiz. However, environmentalists warn that the extraction system known as fracking, is controversial, to say the least.>>>