|
Oxygen isotope composition of CR and CH chondrites. Data for CH chondrites from Clayton and Mayeda (1999), CR chondrites from Clayton and Mayeda (1999) and Schrader et al. (2011). 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 |
---|---|---|---|---|
1.54 | -0.92 | -1.72 | -1.721 | |
1.15 | -1.07 | -1.66 | -1.668 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 12758 | Achondrite-ung | 1.4290 | -1.1150 | -1.858 | 0.08 | -0.12 | -0.16 |
Northwest Africa 12758 | Achondrite-ung | 1.4220 | -1.1680 | -1.907 | 0.08 | -0.17 | -0.21 |
Northwest Africa 3100 | Achondrite-prim | 1.5400 | -0.9200 | -1.721 | 0.2 | 0.08 | -0.03 |
Northwest Africa 3100 | Achondrite-prim | 1.1500 | -1.0700 | -1.668 | -0.2 | -0.08 | 0.03 |
Northwest Africa 12758 | Achondrite-ung | 1.5570 | -1.0990 | -1.909 | 0.21 | -0.1 | -0.21 |
Northwest Africa 15332 | Achondrite-ung | 1.6240 | -1.0560 | -1.9 | 0.28 | -0.06 | -0.21 |
Northwest Africa 15332 | Achondrite-ung | 1.7030 | -1.0170 | -1.903 | 0.36 | -0.02 | -0.21 |
Northwest Africa 15332 | Achondrite-ung | 1.7780 | -0.9820 | -1.907 | 0.43 | 0.01 | -0.21 |
Northwest Africa 7502 | CR2 | 1.6220 | -1.3310 | -2.174 | 0.28 | -0.34 | -0.48 |
Fountain Hills | CBa | 1.2800 | -1.4500 | -2.116 | -0.07 | -0.46 | -0.42 |
Pecora Escarpment 01026 | Acapulcoite | 1.2440 | -0.5380 | -1.185 | -0.1 | 0.46 | 0.51 |
Pecora Escarpment 01026 | Acapulcoite | 1.1030 | -0.5800 | -1.154 | -0.24 | 0.42 | 0.54 |