![]() |
||
|
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 |
---|---|---|---|---|
-5.3900 | -9.4700 | -6.6600 | -6.667 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 8781 | C-ung | -5.4720 | -9.8320 | -6.987 | -0.08 | -0.36 | -0.32 |
Northwest Africa 5377 | C3-ung | -5.7260 | -9.2820 | -6.304 | -0.34 | 0.19 | 0.36 |
Northwest Africa 8771 | CO3 | -5.8880 | -9.4270 | -6.365 | -0.5 | 0.04 | 0.3 |