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Unsaturated conditions favour the oxidation of sulphide minerals from mine wastes, which results in the release of contaminant products into groundwater. An abandoned high-sulphide impoundment in the Iberia Pyritic Belt, wherein tailings have undergone oxidation for more than 28years, was investigated for hydrological purposes. The objective was to understand the interactions between those mining...
Palaeocene sandstones outcropping in Western Spain have long been used for building purposes. Their use varies considerably: in some cities they have been the main stones used in the construction of buildings such as churches and cathedrals (Zamora), whereas in others, such as in the historic district of Salamanca, which has been a World Heritage site since 1988, they have been used in the lower part...
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