Crustal Structure and Mineral Deposit Systems: 3D-modelling of base metal mineralization in Jameson Land (East Greenland)

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Providing research and education at a high international level is a prerequisite for the raw material sector to develop competitive and cost effective exploration methods. The NordMin project CRUSDMID-3D is a consortium between research institutes, academia and SME supporting a PhD project to study some of the geological processes in Greenland that are related to ore deposits, to understand the relationships between structures and mineralization. The new geological and structural data together with aeromagnetic/electromagnetic surveys and the drill-core data added new values to the regional knowledge of East Greenland. The exploration tools developed within the PhD-project are expected to be useful in planning and executing future exploration campaigns in similar but also other geological environments.




East Greenland offers good opportunity to study the relationship between geodynamic processes and mineral deposits along plate boundaries. Since ore systems are closely linked to processes resulting from plate tectonics and global dynamics, an understanding of the genetic controls on ore deposit formation implies that deposits themselves can be sensitive indicators of geologic process. Mineral deposits often represent extraordinary metal concentrations that form by magmatic, magmatic–hydrothermal or hydrothermal processes in geodynamic environments typified by anomalously high thermal gradient and/or tectonic stress near plate boundaries. Jameson Land experienced rifting episodes leading to the spreading of oceanic crust in the Northeast Atlantic during Tertiary time. The area is covered by detailed geological maps, a good coverage of regional seismic reflection data surveys, regional potential field surveys and newly acquired detailed structural and airborne time-domain electromagnetic (TEM) and magnetic surveys.


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