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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 |
---|---|---|---|---|
6.0800 | 0.6800 | -2.5190 | -2.482 | |
6.2900 | 0.9300 | -2.3820 | -2.341 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 3340 | CM2-an | 6.2240 | 0.4940 | -2.742 | 0.04 | -0.31 | -0.33 |
Northwest Africa 3340 | CM2-an | 6.2240 | 0.4940 | -2.742 | 0.04 | -0.31 | -0.33 |
Northwest Africa 12423 | Ureilite-an | 5.7040 | 0.6690 | -2.297 | -0.48 | -0.14 | 0.11 |