Geology of the basement rocks of Andorra, Central Pyrenees

M thanks the Andorra Government grants ACTP008-AND/ 2009 and ACTP020-AND/2013. AM, PC and JGS acknowl- edge the support of project ‘ERDF A way of making Europe’, PID2020-114273GB-C22 funded by MCIN/AEI/10.13039/ 501100011033 from the Spanish Ministry of Science and nnovation. PC thanks financial support provided by the Instituto Geológico y Minero de España (IGME) and the Centre d’Estudis de la Neu i de la Muntanya d’Andorra (CENMA). JMC acknowledges the support of projects PID2021-122467NB-C22 and PID2021-125585NB-I00 from the Ministerio de Ciencia, Innovación y Universidades/Agen- cia Estatal de Investigación/Fondo Europeo de Desarrollo Regional (FEDER), Unión Europea. This study represents a contribution to GeoAp Research Group (E01-23R) (Aragón Government).