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Orbital detection of Rare Earth Elements hosted by peralkaline igneous rocks in North-western India
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DOI：10.1016/j.gexplo.2026.108102.png)
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Abstract
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• Development of spectral method to map REE-enriched zones from hyperspectral data. • Characteristic REE absorptions centered near 744 nm detected from spaceborne observations. • Integrated band depth (712–840 nm) used as a proxy for REE enrichment. • REE prospects validated with bedrock geochemistry, thorium anomaly, and laboratory based hyperspectral imaging
Keywords:
Rare Earth Elements
hyperspectral remote sensing
peralkaline igneous rocks
spectral method
band depth analysis
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