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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 |
---|---|---|---|---|
8.2300 | 0.4200 | -3.8800 | -3.86 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 8301 | CM2 | 8.1100 | 0.6800 | -3.537 | -0.12 | 0.26 | 0.32 |
Northwest Africa 11179 | CM2 | 7.9010 | 0.7210 | -3.388 | -0.33 | 0.3 | 0.47 |