Journal
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY
Volume 134, Issue -, Pages 69-74Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.sab.2017.06.002
Keywords
Yttrium; Laser-induced Breakdown Spectroscopy (LIBS); Singular value decomposition; Mineral mapping; Rock analysis
Categories
Funding
- Academy of Finland [281955, 282240]
- Academy of Finland (AKA) [282240, 281955, 282240, 281955] Funding Source: Academy of Finland (AKA)
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Laser-induced breakdown spectroscopy (LIBS) has been used in analysis of rare earth element (REE) ores from the geological formation of Norra Karr Alkaline Complex in southern Sweden. Yttrium has been detected in eudialyte (Na-15 Ca-6(Fe,Mn)(3) Zr3Si(Si26O73)(O,OH,H2O)(3) (OH,CI)(2)) and catapleiite (Ca/Na2ZrSi3O9 center dot 2H(2)O). Singular value decomposition (SVD) has been employed in classification of the minerals in the rock samples and maps representing the mineralogy in the sampled area have been constructed. Based on the SVD classification the percentage of the yttrium-bearing ore minerals can be calculated even in fine-grained rock samples. (C) 2017 Elsevier By. All rights reserved.
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