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Table 2

Gas- and solid-phase abundances of the main elements that contribute to the dust composition for systems in different environments and for different intervals of [Zn/Fe].

Element X [X/H]gas (ppm) [X/H]dust (ppm) Interval [Zn/Fe]
QSO-DLAs GRB-DLAs Milky Way LMC SMC
O 490 35 27 [Zn/Fe] < 0.3
102 118 154 126 125 0.3 ≤ [Zn/Fe] ≤ 0.9
186 178 181 172 168 0.9 < [Zn/Fe] < 1.2
Fe 29 10 27 [Zn/Fe] < 0.3
23 23 26 25 25 0.3 ≤ [Zn/Fe] ≤ 0.9
27 27 27 27 27 0.9 < [Zn/Fe] < 1.2
Si 32 13 8 [Zn/Fe] < 0.3
14 20 25 25 22 0.3 ≤ [Zn/Fe] ≤ 0.9
21 25 27 26 27 0.9 < [Zn/Fe] < 1.2
Mg 35 7 5 [Zn/Fe] < 0.3
18 20 27 24 20 0.3 ≤ [Zn/Fe] ≤ 0.9
24 27 28 22 26 0.9 < [Zn/Fe] < 1.2
C 288 10 8 [Zn/Fe] < 0.3
34 37 48 43 40 0.3 ≤ [Zn/Fe] ≤ 0.9
56 33 81 48 54 0.9 < [Zn/Fe] < 1.2
S 14 3 2 [Zn/Fe] < 0.3
5 6 8 6 5 0.3 ≤ [Zn/Fe] ≤ 0.9
7 10 8 8 9 0.9 < [Zn/Fe] < 1.2
Ni 2 1 0.3 [Zn/Fe] < 0.3
1 1 1 1 1 0.3 ≤ [Zn/Fe] ≤ 0.9
1 1 2 1 1 0.9 < [Zn/Fe] < 1.2
Al 3 1 1 [Zn/Fe] < 0.3
2 2 3 3 2 0.3 ≤ [Zn/Fe] ≤ 0.9
3 3 3 2 3 0.9 < [Zn/Fe] < 1.2

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