Articles | Volume 13, issue 4
Solid Earth, 13, 793–825, 2022
https://doi.org/10.5194/se-13-793-2022

Special issue: State of the art in mineral exploration

Solid Earth, 13, 793–825, 2022
https://doi.org/10.5194/se-13-793-2022
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 et al.

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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, https://doi.org/10.1139/e75-001, 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, https://doi.org/10.1016/j.oregeorev.2019.03.008, 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, https://doi.org/10.1016/j.oregeorev.2015.06.012, 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, https://doi.org/10.1016/j.asr.2010.08.021, 2011. 
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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.