![]() |
||
|
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 |
---|---|---|---|---|
1.2210 | -4.4900 | -5.1350 | -5.125 | |
-0.8950 | -5.8970 | -5.4240 | -5.432 | |
-1.8220 | -6.2980 | -5.3360 | -5.351 | |
-5.4720 | -9.8320 | -6.9430 | -6.987 | |
-6.0850 | -10.0200 | -6.8070 | -6.856 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 13167 | C2-ung | -2.9520 | -7.4810 | -5.946 | -0.34 | -0.17 | 0 |
Northwest Africa 10881 | CO3.0 | -2.2690 | -7.0530 | -5.873 | 0.34 | 0.25 | 0.08 |
Northwest Africa 13479 | C2-ung | -2.7270 | -7.7580 | -6.34 | -0.12 | -0.45 | -0.39 |
Northwest Africa 6870 | CV3 | -3.0620 | -7.4460 | -5.854 | -0.45 | -0.14 | 0.1 |
Northwest Africa 6870 | CV3 | -3.0620 | -7.4460 | -5.854 | -0.45 | -0.14 | 0.1 |