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Table 2

W/R, ϕ ratio, grain density, and accretion time used in the calculations above you use 67P/C-G; see also Fig. 1.

Estimated W/R Contemporary values(e) Accretion time post

Initial W/R ϕ Grain density (g cm−3) ϕ CAI (Myr)(f)
CI 1.2(a) (mass) 0.81 2.42 0.35 3.0
CI-67P 0.36(b) 3.0
CM-Min 0.3(c) (vol) 0.22 3.26 0.15 3.0
CM-Max 0.6(c) (vol) 0.36 2.74 0.37 3.0
CV-Min 0.09(d) (mass) 0.26 3.5 0.036 3.0
CV-Max 1.1(c) (vol) 0.51 3.5 0.197 2.5

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