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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 |
---|---|---|---|---|
-1.2400 | -4.9000 | -4.2500 | -4.255 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 7932 | CV3 | -1.2830 | -4.8250 | -4.158 | -0.04 | 0.08 | 0.1 |
Northwest Africa 5049 | CO3 | -1.3130 | -4.9640 | -4.281 | -0.07 | -0.06 | -0.03 |
Northwest Africa 11708 | CK3 | -1.1400 | -4.7500 | -4.157 | 0.1 | 0.15 | 0.1 |
Northwest Africa 10276 | CK3 | -1.2770 | -4.7110 | -4.047 | -0.04 | 0.19 | 0.21 |
Northwest Africa 1665 | CK3-an | -1.0300 | -4.9500 | -4.414 | 0.21 | -0.05 | -0.16 |
Loongana 001 | CL4 | -1.0350 | -4.7810 | -4.243 | 0.21 | 0.12 | 0.01 |
Northwest Africa 7932 | CV3 | -1.2600 | -5.1550 | -4.5 | -0.02 | -0.26 | -0.24 |
Northwest Africa 14508 | CO3 | -1.0500 | -5.1160 | -4.57 | 0.19 | -0.22 | -0.31 |
Northwest Africa 8175 | CK4 | -0.9830 | -5.1320 | -4.621 | 0.26 | -0.23 | -0.37 |
Northwest Africa 8289 | CV3 | -0.8840 | -4.7440 | -4.284 | 0.36 | 0.16 | -0.03 |
Northwest Africa 11889 | CO3.1-an | -1.2000 | -5.3300 | -4.706 | 0.04 | -0.43 | -0.45 |
Northwest Africa 2044 | CV3 | -1.1200 | -4.4500 | -3.868 | 0.12 | 0.45 | 0.39 |
Dar al Gani 1040 | CV3 | -1.7100 | -4.9800 | -4.091 | -0.47 | -0.08 | 0.16 |