An integrated ASTER-based approach for mapping carbonatite and iron oxide-apatite deposits

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dc.contributor.authorMalainine, Cheikh-Elwali
dc.contributor.authorRaji, Otmane
dc.contributor.authorOuabid, Muhammad
dc.contributor.authorKhouakhi, Abdou
dc.contributor.authorBodinier, Jean-Louis
dc.contributor.authorLaamrani, Ahmed
dc.contributor.authorYoubi, Nasrrddine
dc.contributor.authorBoumehdi, Moulay Ahmed
dc.date.accessioned2021-07-23T10:20:32Z
dc.date.available2021-07-23T10:20:32Z
dc.date.issued2021-07-09
dc.description.abstractMapping of carbonatites and related mineral deposits has occupied prominent place in mineral resource exploration programs given their potential to host valuable concentrations of critical metals such as rare earth elements and niobium. Based on spectral characteristics of most indicative minerals for these rocks, a mapping approach was developed using Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) data. The combination of band rationing outcomes with components from the principal component analysis and minimum noise fraction techniques highlighted the targeted rocks, with the excellent prospective zone representing ∼0.2% of the total investigated area. This approach was successfully applied to the Gleibat Lafhouda complex to rapidly delineate carbonatites and iron oxide-apatite ore outcrops. Results were validated through field observations and in-situ geochemical analysis using a portable X-ray fluorescence analyzer. Field data have also served as training data to perform a supervised classification, allowing further improvement of the mapping results.en_UK
dc.identifier.citationMalainine CE, Raji O, Ouabid M, et al., (2022) An integrated ASTER-based approach for mapping carbonatite and iron oxide-apatite deposits. Geocarto International, Volume 37, Issue 22, 2022, pp. 6579-6601en_UK
dc.identifier.issn1010-6049
dc.identifier.urihttps://doi.org/10.1080/10106049.2021.1953617
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/16930
dc.language.isoenen_UK
dc.publisherTaylor & Francisen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectiron oxide-apatite oreen_UK
dc.subjectcarbonatiteen_UK
dc.subjectmineral resource explorationen_UK
dc.subjectASTER dataen_UK
dc.subjectremote sensingen_UK
dc.titleAn integrated ASTER-based approach for mapping carbonatite and iron oxide-apatite depositsen_UK
dc.typeArticleen_UK

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