GEUS Bulletin is a peer-reviewed, diamond open access journal published by the Geological Survey of Denmark and Greenland (GEUS). We publish geoscience research papers, monographs and map descriptions for Denmark, Greenland and the Arctic region. GEUS Bulletin believes that open science benefits scientists, industry and society. We do not charge publication fees and all our articles can be freely downloaded online. IF 2021: 1.412; 5-year IF: 1.287 (Source: Journal Citation Report TM2021).