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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 |
---|---|---|---|---|
2.2000 | -0.4000 | Not given | -1.544 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 11561 | CR6 | 2.2970 | -0.4500 | -1.644 | 0.1 | -0.05 | -0.1 |
Northwest Africa 8251 | Lodranite | 2.2210 | -0.2200 | -1.375 | 0.02 | 0.18 | 0.17 |
Los Vientos 200 | CH3 | 2.2200 | -0.2100 | -1.364 | 0.02 | 0.19 | 0.18 |
Northwest Africa 8251 | Lodranite | 2.3590 | -0.1840 | -1.411 | 0.16 | 0.22 | 0.13 |
Los Vientos 200 | CH3 | 1.9300 | -0.4200 | -1.424 | -0.27 | -0.02 | 0.12 |
Northwest Africa 11561 | CR6 | 2.5060 | -0.3440 | -1.647 | 0.31 | 0.06 | -0.1 |
Northwest Africa 13754 | Lodranite | 2.3570 | -0.0890 | -1.315 | 0.16 | 0.31 | 0.23 |
Northwest Africa 8545 | Achondrite-ung | 2.2970 | 0.0130 | -1.181 | 0.1 | 0.41 | 0.36 |
Dar al Gani 1068 | CR | 2.2800 | -0.8400 | -2.026 | 0.08 | -0.44 | -0.48 |
Northwest Africa 4478 | Lodranite | 2.2300 | 0.0700 | -1.09 | 0.03 | 0.47 | 0.45 |
Northwest Africa 11561 | CR6 | 2.6590 | -0.2590 | -1.642 | 0.46 | 0.14 | -0.1 |
Choteau | Pallasite, ungrouped | 2.3470 | 0.0670 | -1.153 | 0.15 | 0.47 | 0.39 |