• Hybridization between I-type and S-type granites in the Ordovician Famatinian magmatic arc, Tafí del Valle, Tucumán, NW Argentina 

  López, J. P.; Bellos, L. I.; Díaz Alvarado, Juan; Castro Dorado, Antonio (Institut de Ciències de la Terra "Jaume Almera", 2018)

  In the Tafí del Valle region, in northwestern Argentina, several intrusive bodies of lower Paleozoic age are emplaced in a low to medium metamorphic grade basement, owing to the Sierras Pampeanas. The plutonic complexes ...

• Role of arsenic during the aging of Acid Mine Drainage precipitates 

  Cruz Hernández, Pablo; Pérez López, Rafael; Nieto Liñán, José Miguel (Elsevier, 2017)

  Iron-rich sediments cover the riverbeds affected by acid mine drainage (AMD) resulting from sulfide mineral oxidation. Precipitates are mainly composed of schwertmannite, which is a poorly-crystalline Fe-oxyhydroxysulfate ...

• Preliminary results of ecotoxicological assessment of an Acid Mine Drainage (AMD) passive treatment system testing water quality of depurated lixiviates 

  Miguel Sarmiento, Aguasanta; Bonnail, Estefanía; Nieto Liñán, José Miguel; Valls Casillas, Tomás Ángel del (Elsevier, 2017)

  The current work reports on the preliminary results of a toxicity test using screening experiments to check the efficiency of an innovative passive treatment plant designed for acid mine drainage purification. Bioassays ...

• Metal/loid release from cyanidation wastes in response to rainfalls 

  Ruiz Cánovas, Carlos; Macías Suárez, Francisco; González de la Aleja Pérez, Carolina; Pérez López, Rafael; Nieto Liñán, José Miguel (Elsevier, 2017)

  Cyanide heap leach operations developed in Tharsis (SW Spain) from 1982 to 2001 left the legacy of a huge amount of cyanidation wastes deposited over a total area of 47 ha without any type of isolation. The main goals of ...

• Environmental assessment and management of phosphogypsum according to European and United States of America regulations 

  Macías Suárez, Francisco; Pérez López, Rafael; Ruiz Cánovas, Carlos; Carrero Romero, Sergio; Cruz Hernández, Pablo (Elsevier, 2017)

  Waste derived from fertilizer production has been accumulated worldwide for decades, especially during the last century. This waste is mainly formed by phosphogypsum; a mixture of gypsum along with phosphates, fluorides, ...

• Basaluminite structure and its environmental implications 

  Carrero Romero, Sergio; Fernández Martínez, Alejandro; Pérez López, Rafael; Nieto Liñán, José Miguel (Elsevier, 2017)

  Basaluminite is a nanocrystalline aluminum oxyhydrosulfate of important environmental implications. It is present in areas affected by acid mine drainage and acid sulfate soils, where potential toxic elements present in ...

• Effect of molecular flexibility of Lennard-Jones chains on vapor-liquid interfacial properties 

  Jiménez Blas, Felipe; Moreno-Ventas Bravo, Ignacio; Algaba Fernández, Jesús; Martínez Ruiz, Francisco José, Físico; MacDowell, L. G. (AIP Publishing, 2014)

  We have determined the interfacial properties of short fully flexible chains formed from tangentially bonded Lennard-Jones monomeric units from direct simulation of the vapor-liquid interface. The results obtained are ...

• Mineralogy of atmospheric dust impacting the Rio Tinto mining area (Spain) during episodes of high metal deposition 

  Fernández Caliani, Juan Carlos; Rosa Díaz, Jesús de la; Sánchez de la Campa Verdona, Ana María; González Castanedo, Yolanda; Castillo, S. (Mineralogical Society, 2013)

  This study is the first to investigate the mineral composition of the atmospheric particulate matter deposited at Rio Tinto, Spain, an historical mining district of world-class importance, with emphasis on metal-bearing ...

• Analysis of the iron coatings formed during marcasite and arsenopyrite oxidation at neutral-alkaline conditions 

  Asta, M. P.; Pérez López, Rafael; Román Ross, G.; Illera, V.; Cama, J.; Cotte, M.; Tucoulou, R. (Universitat de Barcelona, 2013)

  In order to study the nature of the precipitates formed on arsenopyrite and marcasite after reacting with neutral to alkaline solutions, a combination of techniques including Scanning Electron Microscope-Energy Dispersive ...

• Pollutant transport processes in the Odiel River (SW Spain) during rain events 

  Ruiz Cánovas, Carlos; Olías Álvarez, Manuel; Miguel Sarmiento, Aguasanta; Nieto Liñán, José Miguel; Galván González, Laura (American Geophysical Union, 2012)

  An understanding of pollutant processes in rivers under different hydrological conditions is essential to assess its long-term evolution. This is especially relevant in Mediterranean rivers during rain events, when most ...

• Subduction of young oceanic plates : a numerical study with application to aborted thermal‐chemical plumes 

  Blanco Quintero, Idael Francisco; Gerya, Taras V.; García Casco, Antonio; Castro Dorado, Antonio (American Geophysical Union, 2011)

  We investigated numerical models of initiation and subsequent evolution of subduction of young (10-30 Myr) oceanic lithosphere. Systematic numerical experiments were carried out by varying the age of the subducting plate ...

• Alteración hidrotermal asociada a los yacimientos de sulfuros masivos de la Faja Pirítica Suribérica 

  Toscano Macías, Manuel (Universidad de Huelva, 2016)

  Los depósitos de sulfuros masivos de Masa Valverde y Aznalcóllar-Los Frailes se localizan en el sector SE de la Faja Pirítica Suribérica (FPS). Estos depósitos se encuentran encajados en una secuencia vulcanosedimentaria ...

• Trace elements mobility during the early diagenesis of iron precipitates in acid drainage systems 

  Cruz Hernández, Pablo (Universidad de Huelva, 2016)

  Both mining and industrial activities are the main pollution sources for the environment. However, many of these processes have a natural origin, as in the case of the acid rock drainage (ARD). The ARD results from the ...

• On interfacial properties of tetrahydrofuran : atomistic and coarse-grained models from molecular dynamics simulation 

  Garrido, J. M.; Algaba Fernández, Jesús; Míguez, J. M.; Mendiboure, B.; Moreno-Ventas Bravo, Ignacio; Piñeiro, M. M.; Jiménez Blas, Felipe (AIP Publishing, 2016)

  We have determined the interfacial properties of tetrahydrofuran (THF) from direct simulation of the vapor-liquid interface. The molecules are modeled using six di↵erent molecular models, three of them based on the ...

• Estudio de Nucleación de Schwertmannita en Drenajes Ácidos de Mina 

  Carrero Romero, Sergio; Pérez López, Rafael; Morales Flórez, Víctor; Nieto Liñán, José Miguel (Sociedad Española de Mineralogía, 2012)

  El drenaje ácido de mina (Acid Mine Drainage: AMD) es uno de los principales problemas medioambientales que se presentan en la provincia de Huelva, SO de España. Estos drenajes tienen su origen en la explotación ...

• Estimación del aporte de contaminantes de la balsa de fosfoyesos al Estuario de Huelva 

  Pérez López, Rafael; Miguel Sarmiento, Aguasanta; Carrero Romero, Sergio; Cruz Hernández, Pablo; Macías Suárez, Francisco; Nieto Liñán, José Miguel; Bolívar Raya, Juan Pedro (Sociedad Española de Mineralogía, 2014)

  La producción de ácido fosfórico mediante ataque húmedo en el Polo Químico de Huelva conduce a la acumulación de un sub-producto conocido como fosfoyeso. El fosfoyeso contiene impurezas de metales tóxicos y radionucleidos. ...

• Structural and geochemical characterization of Al and Fe minerals with low crystallinity : implication for contaminant mobility 

  Carrero Romero, Sergio (Universidad de Huelva, 2016)

  La contaminación del medio hídrico por metales pesados y metaloides (en adelante metales) en solución puede estar asociado potencialmente al drenaje ácido de mina (AMD, de las siglas en inglés de Acid Mine Drainage) o a ...

• Efecto del drenaje ácido de minas sobre el agua y el sedimento del estuario de los ríos Tinto y Odiel 

  Carro Flores, Berta (Universidad de Huelva, 2016)

  Son numerosos los estudios realizados con respecto al efecto del drenaje ácido de minas en los sistemas fluviales que desembocan en el estuario de los ríos Tinto y Odiel (Aroba et at., 2007; Cánovas et al., (2008); De ...

• Comparative analysis of the deposits left by the tsunami that followed to the Lisbon Earthquake (1755 AD), on the Castilnovo beach and the Old Tuna Factory of La Chança (Conil de la Frontera, SW Spain) 

  Gutiérrez Mas, José Manuel; Gómez Fernández, V.; García López, Santiago; Morales González, Juan Antonio; Ibáñez Ageitos, Jesús Manuel (Sociedad Geológica de España, 2016)

  On coasts of tectonically active areas, where old tsunami deposits are in a fragmentary state, the study of paleo-tsunamis provides data for interpreting facies and processes. In order to recognize facies, a study has ...

• Supergene enrichment of precious metals by natural amalgamation in the Las Cruces weathering profile (Iberian Pyrite Belt, SW Spain) 

  Yesares Ortiz, María Dolores; Sáez Ramos, Reinaldo; Nieto Liñán, José Miguel; Ruiz de Almodovar Sel, Gabriel; Cooper, Stephen (Elsevier, 2014)

  Natural Au–Ag–Hg alloys occur in the Las Cruces ore deposit, in the eastern part of the Iberian Pyrite Belt. They are mainly concentrated in the lower part of the gossan profile including a sheared black shale level where ...

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