[EN] The study of mineral resources of our country was, and still is, one of the foundational objectives of Instituto Geológico y Minero de España (IGME), that began to carry out studies on them and to elaborate maps of occurrences and ore deposits. Since the 70’s of the 20th century, the metallogenic map has been the main tool for the transmission of knowledge in this field. In the European context in which we work, the present place us in front of the great challenge of identifying the supply potential of critical and strategic raw materials for the energy transition, in order to comply with the Green Deal promoted by the European Commission. The Economic Geology of Mineral Resources research group (GI-GECOMIN) is made up of 17 members including researcher, specialized senior technician and higher graduate of technical and professional activities, with extensive experience in the study of geological resources. This work aims to describe the main objectives, the accredited experience, and the most relevant scientific-technical activities carried out by the GI-GECOMIN, grouped in four research lines.