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Oxygen isotope composition of CI and CM chondrites. Data for CMs and CIs from Clayton and Mayeda (1999); CVs and CKs from Greenwood et al. (2010); COs from Greenwood and Franchi (2004). TFL: terrestrial fractionation line, Y&R: slope 1 line (Young and Russell, 1998), CCAM: carbonaceous chondrite anhydrous mineral line (Clayton et al., 1977; Clayton and Mayeda, 1999). |
δ18O | δ17O | Δ17O: given | Δ17O: linear | Comment |
---|---|---|---|---|
3.6300 | -2.4700 | -4.3600 | -4.358 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Jbilet Winselwan | CM2 | 3.8110 | -2.4460 | -4.428 | 0.18 | 0.02 | -0.07 |
Northwest Africa 8157 | CM2 | 3.8110 | -2.4460 | -4.428 | 0.18 | 0.02 | -0.07 |
Sarir Tazirbu 001 | C2-ung | 3.5370 | -2.8100 | -4.649 | -0.09 | -0.34 | -0.29 |
Northwest Africa 13053 | C3-ung | 4.0520 | -2.3430 | -4.45 | 0.42 | 0.13 | -0.09 |
Sarir Tazirbu 001 | C2-ung | 4.0390 | -2.6770 | -4.777 | 0.41 | -0.21 | -0.42 |