Table 1
Concentration of radionuclides used for the model (at CAI formation), and content in water, sulfur, and fraction of sulfur present as sulfates in contemporary carbonaceous chondrites.
| 40 K (ppb) (a,b) | 232 Th (ppb) (a,b) | 238 U (ppb) (a,b) | 235 U (ppb) (a,b) | 26 Al (ppb)(a,b) | 60Fe (ppb)(a,b) | Water wt%(c) | Sulfur wt%(a) |  |
|
|---|---|---|---|---|---|---|---|---|---|
| CI | 799–962 | 36–43.7 | 16.1–19.4 | 5.1–6.1 | 474–565 | 1.93–2.29 | 16.9 (Orgueil) | 5.41–6.51 | >39(d) |
| CM | 538–597.1 | 51–57 | 24.1–26.8 | 7.6–8.5 | 591–656 | 2.15–2.39 | 9.9 (avg) |  |
>16(e,f) |
| CV | 523.5 | 72.6 | 34.2 | 10.8 | 879 | 2.37 | 0 | 2.7 | 0(g) |
Notes. When two values are displayed, the first value is a “wet” value (with respect to meteorites with their current water of hydration content), and the second is a “dry” value (removing the water content).
References. (a) Lodders et al. (1998). (b) Lodders (2003). (c) Jarosewich (1990). (d) Fredriksson & Kerridge (1988); Burgess et al. (1991). (e)Labidi et al. (2017). (f)Alexander (2019). (g) Brearley (2006).
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