Articles | Volume 13, issue 4
Research article
07 Apr 2022
Research article |  | 07 Apr 2022

Drone-based magnetic and multispectral surveys to develop a 3D model for mineral exploration at Qullissat, Disko Island, Greenland

Robert Jackisch, Björn H. Heincke, Robert Zimmermann, Erik V. Sørensen, Markku Pirttijärvi, Moritz Kirsch, Heikki Salmirinne, Stefanie Lode, Urpo Kuronen, and Richard Gloaguen

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Subject area: Crustal structure and composition | Editorial team: Seismics, seismology, paleoseismology, geoelectrics, and electromagnetics | Discipline: Geophysics
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Cited articles

Airo, M.-L. and Säävuori, H.: Petrophysical characteristics of Finnish bedrock, Geol. Surv. Finland, Espoo, Report of Investigation 205, ISBN 978-952-217-267-9, 35 pp., 2013. 
Athavale, R. N. and Sharma, P. V.: Paleomagnetic Results on Early Tertiary Lava Flows from West Greenland and their bearing on the Evolution History of the Baffin Bay–Labrador Sea Region, Can. J. Earth Sci., 12, 1–18,, 1975. 
Austin, J. and Crawford, B.: Remanent magnetization mapping: A tool for greenfields magmatic Ni-Cu-PGE exploration undercover: Part 1, Ore Geol. Rev., 107, 457–475,, 2019. 
Barnes, S. J., Cruden, A. R., Arndt, N., and Saumur, B. M.: The mineral system approach applied to magmatic Ni–Cu–PGE sulphide deposits, Ore Geol. Rev., 76, 296–316,, 2016. 
Bedini, E.: Mineral mapping in the Kap Simpson complex, central East Greenland, using HyMap and ASTER remote sensing data, Adv. Space Res., 47, 60–73,, 2011. 
Short summary
We integrate UAS-based magnetic and multispectral data with legacy exploration data of a Ni–Cu–PGE prospect on Disko Island, West Greenland. The basalt unit has a complex magnetization, and we use a constrained 3D magnetic vector inversion to estimate magnetic properties and spatial dimensions of the target unit. Our 3D modelling reveals a horizontal sheet and a strong remanent magnetization component. We highlight the advantage of UAS use in rugged and remote terrain.