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Table 1 Comparison of crustal element ratios. Comparison between values of crustal element ratios measured in bulk sediments from North Africa (Sahara desert, Scheuvens et al. [20]) and the same ratios measured in Marmolada samples (MA289 and MAJ025)

From: Legal immigrants: invasion of alien microbial communities during winter occurring desert dust storms

  Sahara desert Sample MA289 Sample MAJ025
Ca/Al 2.36–6.06 3.97 4.31
Fe/Al 0.60–0,88 0.67 0.77
Mg/Al 0.34–1.54 1.17 1.10
Na/Al 0.07–0.44 0.70 1.07
K/Al 0.20–0.33 0.70 0.70
(Ca + Mg)/Fe 4.29–8.40 8.10 6.70
  1. Detailed chemical compositions of snow samples are given in Table S1