Nova Terra 52

Index Resumen Abstract Chapter 1. Introduction and objectives ......................................................................3 1.1.Introduction..........................................................................................................3 1.1.1. Tracking of the metasedimentary series.....................................................3 1.1.2. Tracking of the arc magmatism..................................................................5 1.2.Objectives.............................................................................................................9 1.2.1. General objective........................................................................................9 6SHFL¿F REMHFWLYHV Chapter 2. Methodology ...............................................................................................11 2.1. Fieldwork.............................................................................................................13 2.1.1. Stage 1: Sampling of the Serie Negra metasediments....................................13 2.1.2. Stage 2: Mapping and sampling of the Mérida Massif...................................13 2.1.3. Stage 3: Malcocinado Formación sampling...................................................13 2.2. Main analytical methodologies............................................................................14 2.2.1. Sample preparation.........................................................................................14 2.2.1.1. Whole-rock crushing................................................................................14 2.2.1.2. U-Pb geochronology on zircons...............................................................14 2.2.2. Whole-rock geochemistry...............................................................................14 2.2.2.1. Major and trace elements analysis...........................................................14 2.2.2.2. Sm-Nd and Rb-Sr isotopic geochemistry.................................................15 2.2.3. U-Pb geochronology by LA-ICP-MS on igneous zircons..............................16 2.3. Other analytical methodologies...........................................................................16 2.3.1. U-Pb geochronology and Lu-Hf isotopes in igneous zircons........................16 2.3.2. Garnet U-Pb geochronogy..............................................................................17 2.3.3. Mineral chemistry...........................................................................................17 2.3.4. Pseudosection modelling................................................................................17 Chapter 3. List of publications ....................................................................................19