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NDiarel Baidy Ba, Radhia Souissi, Faouzi Manai, Imad Khalil Taviche, Bochra Bejaoui, Mohamed Abdallahi Bagga and Fouad Souissi
Since 2004, the processing of the iron oxide?copper?gold (IOCG) ore of Guelb Moghrein, Akjoujt, Mauritania, has resulted in the generation of approximately 40 million tons of mine tailings. The storage of these tailings poses significant environmental ch...
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Haibo Li, Zhonghua Tang and Dongjin Xiang
Acid in situ leaching (ISL) is a common approach to the recovery of uranium in the subsurface. In acid ISL, there are numerous of chemical reactions among the injected sulfuric acid, groundwater, and porous media containing ore layers. A substantial amou...
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Enrico D?Addario, Giovanna Giorgetti, Claudia Magrini and Leonardo Disperati
Variability in lithology and weathering degree affects physical and mechanical properties of rocks. In this study, we investigated the relationships between weathering degree and engineering geological properties of trachydacitic volcanic rocks from Mont...
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Zhigang Zeng, Zuxing Chen and Haiyan Qi
The in situ element concentrations and the sulfur (S), and lead (Pb) isotopic compositions in anglesite were investigated for samples from seafloor hydrothermal fields in the Okinawa Trough (OT), Western Pacific. The anglesite grains are of two kinds: (1...
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Lucía Inés Martín,Denis Marchal,Silvia Barredo,Claudio Naides,Silvia Blanco
Pág. 345 - 381
The fissility is the ability of some rocks to split along relatively smooth surfaces parallel to the bedding. This property observed mostly in fine-grained rocks is particularly expressed in outcrops, where rocks are subjected to weathering processes. Mo...
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Yosra Achour, Radhia Souissi, Haifa Tlil, Fouad Souissi and Mikael Motelica-Heino
The present study was carried out to show the potential of root exudates to mobilize potentially toxic elements (PTE) present in rhizospheric carbonated soils. Five different contaminated rhizospheric soils were collected from five former mining district...
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Jorge E. Morales Leal,Andrew Menzies,Hans-G. Wilke,José Zuluaga
Pág. 185 - 207
The El Peñón low-sulfidation epithermal deposit, located in the Paleocene metallogenic belt in the Antofagasta region, northern Chile, consists of Au-Ag bearing veins and hydrothermal breccias hosted in volcanic rocks and surrounded by alteration haloes ...
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Stanislaw Z. Mikulski, Katarzyna Sadlowska, Janina Wiszniewska and Rafal Malek
On the basis of geochemical whole-rock and mineralogical point analyses, the concentrations of V and Co were determined in magnetite-ilmenite oxide ores, associated with sulphides, at the Krzemianka and Udryn deposits in the Mesoproterozoic Suwalki Anort...
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Olga Zubkova, Aleksey Alexeev, Arseniy Polyanskiy, Kirill Karapetyan, Olga Kononchuk and Markus Reinmöller
The solution of the sludge utilization problem and yield increase at processing plants have great importance today all over the world. Disasters associated with the tailings dams failures have madeus develop technologies of tailings sludge utilization as...
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Yufan Ding, Catia Sofia Clemente Salvador, Ana Teresa Caldeira, Emma Angelini and Nick Schiavon
An experimental study was conducted to assess the nature and extent of the biodeterioration of the limestone in the Batalha Monastery in Portugal. Stone fragments covered with microbial biofilms and lichenous crusts were investigated using Optical Micros...
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