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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 |
---|---|---|---|---|
-2.1750 | -5.4940 | -4.3460 | -4.363 | |
-3.4180 | -6.7840 | -4.9790 | -5.007 | |
-3.5100 | -6.8240 | -4.9710 | -4.999 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 1924 | CV3 | -3.0100 | -6.4600 | -4.895 | 0.02 | -0.09 | -0.11 |
Oued Bourdim 001 | Pallasite, PES | -2.9800 | -6.4800 | -4.93 | 0.05 | -0.11 | -0.14 |
Northwest Africa 5956 | CK3 | -3.1510 | -6.4320 | -4.793 | -0.12 | -0.06 | -0 |
Northwest Africa 6156 | CO3.3 | -3.2200 | -6.2000 | -4.526 | -0.19 | 0.17 | 0.26 |
Northwest Africa 5956 | CK3 | -2.7480 | -6.3140 | -4.885 | 0.29 | 0.05 | -0.1 |
Catalina 008 | CO3 | -3.3000 | -6.5500 | -4.834 | -0.27 | -0.18 | -0.04 |
Northwest Africa 2044 | CV3 | -2.7100 | -6.3600 | -4.951 | 0.32 | 0.01 | -0.16 |
Northwest Africa 10276 | CK3 | -3.2650 | -6.6300 | -4.932 | -0.23 | -0.26 | -0.14 |
Northwest Africa 11358 | CO3.6 | -2.7360 | -6.1730 | -4.75 | 0.3 | 0.19 | 0.04 |
Karavannoe | Pallasite, PES | -2.6420 | -6.2500 | -4.876 | 0.39 | 0.12 | -0.09 |
Jiddat al Harasis 084 | CO3 | -2.6700 | -6.1600 | -4.772 | 0.36 | 0.21 | 0.02 |
Northwest Africa 6156 | CO3.3 | -3.4200 | -6.6100 | -4.832 | -0.39 | -0.24 | -0.04 |
Los Vientos 123 | CO3.1 | -3.3300 | -6.7700 | -5.038 | -0.3 | -0.4 | -0.25 |