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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 |
---|---|---|---|---|
9.9000 | 3.2000 | Not given | -1.948 | |
12.0000 | 4.2000 | Not given | -2.04 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 8534 | CM1/2 | 10.6940 | 3.4960 | -2.065 | -0.26 | -0.2 | -0.07 |
Northwest Africa 10834 | CM1/2 | 10.7970 | 3.2820 | -2.332 | -0.15 | -0.42 | -0.34 |