Now showing items 1-20 of 26
Díaz Acha, Yael (Date of defense: 2022-11-28)
[spa] El municipio de Gavà (Cataluña) ha sido históricamente rico en recursos minerales, los cuales se han explotado desde hace más de 6.000 años. En este sentido, son especialmente destacables el caso de los minerales de ...
Sun, Xiaolong (Date of defense: 2021-10-15)
Carbon capture and storage (CCS) has been proposed as a potential technology to mitigate climate change. However, there is currently a huge gap between the global CCS deployment and that which will be ultimately required. ...
Pujol Solà, Núria (Date of defense: 2021-06-30)
The discovery of ultra-high pressure (UHP), super-reduced (SuR), and continental crust-derived minerals in ophiolitic chromitites worldwide challenged the previous hypotheses for chromitite formation and motivated the ...
Valenzuela García, Sergio (Date of defense: 2016-09-29)
Las rocas del Paleozoico del Priorat Central (Cadena Costera Catalana, NE de la Península Ibérica) han sido sometidas a un metamorfismo regional hercínico de grado muy bajo que alcanzó el límite entre la zona diagenética ...
Carrazana Di Lucia, Ariana (Date of defense: 2020-11-19)
El volcanismo oligo-mioceno del Sulcis, SO de Cerdeña (Italia) presenta la particularidad de contener rocas peralcalinas y alcalinas de un ambiente geodinámico anorogénico posterior a la actividad orogénica relacionada con ...
Esteve i Girbés, Sergi (Date of defense: 2021-03-18)
El Complex de Susqueda constitueix el major aflorament de roques màfiques i ultramàfiques associades a granitoides hercinians de la Serralada Costanera Catalana. Des dels inicis del segle passat, les roques màfiques de ...
Nayem, Saleh Lehbib (Date of defense: 2016-09-28)
En el Sáhara Occidental hay dos unidades principales: la cobertera sedimentaria del Fanerozoico y un basamento cristalino que forma parte del cratón del África Occidental, constituido desde el Paleoarcaico al Paleoproterozoico. A ...
Amores Casals, Sandra (Date of defense: 2017-12-15)
En Angola afloran complejos carbonatíticos en todos los niveles de emplazamiento tanto plutónico, hipoabisal como volcánico. Recientemente, se han caracterizado en detalle algunos de estos complejos debido a las mineralizaciones ...
Castillo i Oliver, Montgarri (Date of defense: 2016-09-30)
Angola is currently the 8th largest diamond producer in the world, but for historical reasons the subcontinental lithospheric mantle (SCLM) in the Congo-Kasai craton is still poorly studied. However, an understanding of ...
Muñoz López, José Daniel (Date of defense: 2021-09-23)
This PhD thesis examines the fracture-fluid interactions across different compressional structures affecting both Paleozoic basement and Mesozoic-Cenozoic cover lithologies in the Southern Pyrenees in order to investigate ...
Farré de Pablo, Júlia (Date of defense: 2021-10-08)
The finding of a suite of unusual minerals associated to ophiolitic chromitites questions traditional model for the formation of these rocks. These findings include minerals typically considered indicators of ultra-high ...
Lozano Letellier, Alba (Date of defense: 2019-11-26)
Rare earth elements (REE) are known as the lanthanide series (La-Lu) plus yttrium (Y) and scandium (Sc). REE are essential materials for modern industries and especially for green technologies (wind turbines, batteries, ...
Valdivielso Mijangos, Sonia (Date of defense: 2022-07-19)
The availability of water resources is increasingly limited worldwide. Therefore, optimal and sustainable management is necessary to ensure a balance between ecosystems and human rights and activities. In the arid Central ...
Esteve Fernández, Jaime (Date of defense: 2016-09-28)
1. Se ha realizado el estudio de los minerales pesados de los materiales detríticos del Mioceno de la fosa neógena del Vallès-Penedès, así como, y con carácter comparativo, los del Holoceno más reciente que aportan los ...
Tarragó Aymerich, Mariona (Date of defense: 2018-06-29)
Sewage sludge is a high volume, potentially toxic waste generated during the decontamination process of wastewater. Improved solutions for waste disposal require its conversion into an end product or at least a raw material ...
Moragas Rodriguez, Mar (Date of defense: 2017-06-12)
The complexity of the interplay between tectonics and sedimentation increases when salt tectonics is involved because of the ductility of salt and its ability to flow. Discrimination between extensional tectonics and ...
Margalef Marti, Rosanna (Date of defense: 2020-02-28)
The worldwide persistence of nitrate (NO -) in groundwater is worrying since this compound has been related to human illnesses and to eutrophication of aquatic ecosystems. The main sources of pollution are linked to intensive ...
Alex Tiewin, Abu (Date of defense: 2024-05-10)
[eng] Groundwater pollution poses a significant global environmental threat, mainly attributed to the oxidation of excess nitrogen during fertilization in aerobic conditions. The widespread occurrence of elevated nitrate ...
Xu, Jingyao (Date of defense: 2019-04-26)
Ti-rich minerals occur in xenoliths of metasomatized mantle peridotites, MARID and PIC. Xenocrysts produced by disaggregation during the intrusion have equivalent compositions. Early crystallization in the first intrusive ...
Butjosa Molines, Lidia (Date of defense: 2018-01-12)
This PhD is about the serpentinitic matrix, mafic crust and exotic ultramafic blocks of the Villa Clara serpentinitic mélange (VCSM) in central Cuba in an attempt to evaluate the evolution of oceanic lithosphere. Each of ...