This spatial dataset is part of the High Value Datasets/HVD identified in agreement with Implementing Regulation 2023/138 of Directive (EU) 2019/1024 on open data and the re-use of public sector information. The Critical Raw Materials Deposits Map in Mainland Portugal is a compilation of the known mineral occurrences and deposits of the most critical raw materials according to the latest list published by the European Commission in 2023.