iii) Quantification of metals accommodated in mineral phases
Modal phase composition was estimated by point counting using JMicro Vision 1.2.7
software. Furthermore, the distribution of metals between mineral phases was estimated from
modal phase composition and average concentration of metals in individual phases based on
microprobe data. Due to proportional variability of mineral phases and the extent to which
individual compounds vary in proportions, values present only approximate percentage of
metals accommodated in the mineral phases relative to the bulk composition of the materials.
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