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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 |
---|---|---|---|---|
-0.4520 | -4.3850 | Not given | -4.15 | |
-1.6910 | -5.3220 | Not given | -4.443 | |
-2.7360 | -6.1730 | Not given | -4.75 | |
-4.7040 | -7.4920 | Not given | -5.046 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Larkman Nunatak 06873 | CK6 | -2.4400 | -5.8700 | -4.601 | -0.04 | -0.03 | -0 |
Larkman Nunatak 06872 | CK6 | -2.4400 | -5.8700 | -4.601 | -0.04 | -0.03 | -0 |
Larkman Nunatak 06869 | CK6 | -2.4400 | -5.8700 | -4.601 | -0.04 | -0.03 | -0 |
Larkman Nunatak 06636 | CK6 | -2.3480 | -5.7890 | -4.568 | 0.05 | 0.05 | 0.03 |
Larkman Nunatak 06869 | CK6 | -2.4600 | -5.9800 | -4.701 | -0.06 | -0.14 | -0.1 |
Larkman Nunatak 06872 | CK6 | -2.4600 | -5.9800 | -4.701 | -0.06 | -0.14 | -0.1 |
Larkman Nunatak 06873 | CK6 | -2.4600 | -5.9800 | -4.701 | -0.06 | -0.14 | -0.1 |
Northwest Africa 8289 | CV3 | -2.2770 | -5.9740 | -4.79 | 0.12 | -0.13 | -0.19 |
Moss | CO3.6 | -2.2100 | -5.9000 | -4.751 | 0.19 | -0.06 | -0.15 |
Acfer 374 | CO3 | -2.3060 | -6.0420 | -4.843 | 0.09 | -0.2 | -0.25 |
Oued Bourdim 001 | Pallasite, PES | -2.1900 | -5.9800 | -4.841 | 0.21 | -0.14 | -0.24 |
Larkman Nunatak 06636 | CK6 | -2.1710 | -5.6840 | -4.555 | 0.22 | 0.16 | 0.04 |
Northwest Africa 14508 | CO3 | -2.1750 | -6.0260 | -4.895 | 0.22 | -0.18 | -0.3 |
Oued Bourdim 001 | Pallasite, PES | -2.1700 | -6.0200 | -4.892 | 0.23 | -0.18 | -0.29 |
Oued Bourdim 001 | Pallasite, PES | -2.1500 | -6.0400 | -4.922 | 0.25 | -0.2 | -0.32 |
Northwest Africa 8290 | CO3.1 | -2.1750 | -5.4940 | -4.363 | 0.22 | 0.35 | 0.23 |
Jiddat al Harasis 084 | CO3 | -2.6700 | -6.1600 | -4.772 | -0.27 | -0.32 | -0.17 |
Karavannoe | Pallasite, PES | -2.6420 | -6.2500 | -4.876 | -0.25 | -0.41 | -0.28 |
Northwest Africa 11706 | CK5 | -1.9100 | -5.7600 | -4.767 | 0.49 | 0.08 | -0.17 |