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Table 2 Elemental analysis of deposited particles and aerosols within the display case

From: The Bayeux embroidery: a dust deposition assessment

Origin Elemental composition Aerosol Deposit
Number % Mean size (µm) Number % Mean size (µm)
Anthropogenic   31 33.0%   7 12.3%  
 Scrap metal fragments O, Fe, (Al, Si) 2 2.1% 2.2 5 8.8% 1.8
 Na-rich O, Na 2 2.1% 2.2 2 3.5% 2.2
 Soot C, (S, K) 20 21.3% 0.8    
 Mascagnite N, S, O 7 7.4% 0.2    
Marine   25 26.6%   3 5.3%  
 Gypsum Ca, S, O 1 1.1% 1.3 2 3.5% 4.6
 Halite + traces Na, Cl, (Mg, Si) 23 24.5% 0.8 1 1.8% 2.2
 Mix: halite, gypsum, sylvite Na, Cl, Ca, K, O, S 1 1.1% 1.8    
Terrigeneous   13 13.8%   33 57.9%  
 Clay Al, Si, O, (K, Mg, Fe, S, Na) 9 9.6% 1.3 9 15.8% 5.5
 Calcite Ca, C, O 1 1.1% 0.6 3 5.3% 2.7
 Silicate Si, O, (Na, Ca, K) 2 2.1% 0.7 19 33.3% 4.6
 Mix: calcite + clay Ca, O, C, Al, Si     2 3.5% 2.6
 Mix: calcite + silicate Ca, O, C, Si 1 1.1% 2    
Mixtures   3 3.2%   12 21.1%  
 Marine–organic C, Na, Cl 1 1.1% 0.5    
 Marine–terrigeneous C, O, Na, Cl, Ca, Al, Si, K, S, Mg 1 1.1% 2.5 6 10.5% 4.3
 Marine–terrigeneous–organic C, Na, Cl, Si, O, Mg, Na, Al, (S, Ca) 1 1.1% 3.35    
 Marine–anthropogenic O, Al, Fe, (Na, Cl, Ca, Mg, Si)     2 3.5% 11.3
 Terrigeneous–organic C, Al, Si, O, P     3 5.3% 5.5
 Terrigeneous–anthropogenic C, O, Ca, (S)     1 1.8% 6.0
Undetermined organic compounds   22 23.4%   2 3.5%  
 C-rich C, O, (K, S, Na) 22 23.4% 0.35 2 3.5% 9.4
Total   94 100%   57 100%