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Oxygen isotope composition of ordinary chondrites. All data from Clayton et al. (1991). |
δ18O | δ17O | Δ17O: given | Δ17O: linear | Comment |
---|---|---|---|---|
6.5180 | 4.7400 | 1.2980 | 1.351 | Δ17O off by 0.053 |
6.1510 | 4.5230 | 1.2750 | 1.324 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 11776 | LL6-an | 6.1480 | 4.5080 | 1.311 | -0.19 | -0.12 | -0.03 |
Ramlat as Sahmah 211 | Chondrite-ung | 6.5610 | 4.6030 | 1.191 | 0.23 | -0.03 | -0.15 |
Northwest Africa 7030 | LL7 | 6.2350 | 4.4140 | 1.172 | -0.1 | -0.22 | -0.17 |
Northwest Africa 11776 | LL6-an | 6.1440 | 4.4760 | 1.281 | -0.19 | -0.16 | -0.06 |
Northwest Africa 7030 | LL7 | 6.0590 | 4.3570 | 1.206 | -0.28 | -0.27 | -0.13 |
Northwest Africa 6742 | LL3.7 | 6.3600 | 4.2400 | 0.933 | 0.03 | -0.39 | -0.4 |
Northwest Africa 10102 | L(LL)3 | 6.1440 | 4.2510 | 1.056 | -0.19 | -0.38 | -0.28 |
Northwest Africa 10102 | L(LL)3 | 6.4860 | 4.2120 | 0.839 | 0.15 | -0.42 | -0.5 |
Semarkona | LL3.00 | 6.0900 | 4.2400 | 1.073 | -0.24 | -0.39 | -0.26 |
Northwest Africa 12576 | LL6 | 6.0390 | 4.2750 | 1.135 | -0.3 | -0.36 | -0.2 |
Northwest Africa 8773 | LL3 | 5.8690 | 4.4580 | 1.406 | -0.47 | -0.17 | 0.07 |