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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 |
---|---|---|---|---|
0.2900 | -2.1300 | -2.2800 | -2.281 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Gujba | CBa | 0.5300 | -2.1900 | -2.466 | 0.24 | -0.06 | -0.18 |
Sierra Gorda 013 | CBa | 0.5900 | -1.9000 | -2.207 | 0.3 | 0.23 | 0.07 |
Sierra Gorda 013 | CBa | 0.6500 | -1.8890 | -2.227 | 0.36 | 0.24 | 0.05 |