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Oxygen isotope composition of CK chondrites. All data from Greenwood et al. (2010). Field of CO3s based on the data of Greenwood and Franchi (2004). CCAM: carbonaceous chondrite anhydrous mineral line (Clayton et al., 1977; Clayton and Mayeda, 1999). |
δ18O | δ17O | Δ17O: given | Δ17O: linear | Comment |
---|---|---|---|---|
-0.9830 | -5.1320 | -4.6130 | -4.621 | |
-6.3830 | -10.1410 | -6.7710 | -6.822 | Δ17O off by 0.051 |
-8.0490 | -11.9070 | -7.6570 | -7.722 | Δ17O off by 0.065 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 8771 | CO3 | -5.4990 | -8.9340 | -6.075 | -0.36 | 0.13 | 0.31 |
Khawr al Fazra 008 | CO3 | -5.3900 | -9.4700 | -6.667 | -0.25 | -0.41 | -0.28 |