Ara mostrant els elements 1-7 de 7

    Albitization of the granitic basement of the Guilleries and Roc de Frausa Massifs (NE Spain) in relationship to the Permian - Triassic palaeosurface 

    Fàbrega Alsina, Carles (Data de defensa: 2020-12-17)

    The granitic basement below the Triassic unconformity in the Guilleries and Roc de Frausa massifs (NE Iberia), presents widespread red stained facies characterized by plagioclase albitization, biotite chlhoritization, ...

    Contribution to the hydrogeological knowledge of the high mountain karst aquifer of the Port del Comte (SE, Pyrenees) 

    Herms Canellas, Joan Ignasi (Data de defensa: 2022-06-02)

    This thesis has aimed to improve the hydrogeological knowledge of the Port del Comte Massif (PCM), a karstic aquifer system located in the south-eastern sector of the Pyrenees that plays a strategic role in the provision ...

    Environmental and occupational characterisation of coals and dust from coal mining 

    Trechera Ruiz, Pedro (Data de defensa: 2022-01-13)

    The main objective of this PhD thesis is the study of coal mine dust patterns produced by different types of mining operations and different types of coal. In addition, the potential links between oxidative potential (OP) ...

    Geochemical and metallogenic model of the Santa Fe Sn-Zn-Pb-Ag-(In) deposit in the Central Andean tin belt 

    Jiménez Franco, Ma. Abigail (Data de defensa: 2017-10-05)

    The Santa Fe mining district is located in the Central Andean tin belt and contains several Sn-Zn-Pb-Ag deposits. From the economic point of view, the most important deposits of the district are Japo, Santa Fe and Morococala. ...

    In situ groundwater remediation treatments : natural denitrification study and nano zero valent iron production 

    Ribas Fargas, David (Data de defensa: 2017-03-14)

    Freshwater is a scarce resource, threatened by an ongoing pollution, global climate change and industrialization. Among other freshwater sources, groundwater is by far the most important source of usable freshwater but due ...

    Modelling of liberation in Ta- and W-rich minerals 

    Hamid, Sarbast Ahmad (Data de defensa: 2019-12-18)

    With the general trend across all commodities towards the treatment of lower grade and medium grade ores, it is becoming increasingly important to develop the proper design for comprehensive mineralogical characterization ...

    Multiple simulation experimental studies of gas emission, distribution and migration rules in mine ventilation system and goaf area 

    Zhang, Haoran (Data de defensa: 2015-12-21)

    Gas problems have created severe difficulties for the mining industry around the world, leading to high expenditures and intensity research efforts, and determined attempts to enhance the various ventilation optimization ...