![]() |
||
|
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 |
---|---|---|---|---|
6.1690 | 3.7360 | 0.5280 | 0.528 | |
6.2630 | 3.7630 | 0.5060 | 0.506 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 10922 | Martian (polymict breccia) | 6.1920 | 3.8260 | 0.606 | -0.02 | 0.08 | 0.09 |
Northwest Africa 960 | OC3 | 6.1800 | 3.8300 | 0.616 | -0.04 | 0.08 | 0.1 |
Northwest Africa 7907 | Martian (polymict breccia) | 6.2700 | 3.8900 | 0.63 | 0.05 | 0.14 | 0.11 |
Northwest Africa 7034 | Martian (polymict breccia) | 6.3200 | 3.8900 | 0.604 | 0.1 | 0.14 | 0.09 |
Northwest Africa 7135 | Chondrite-ung | 6.0720 | 3.6490 | 0.492 | -0.14 | -0.1 | -0.03 |
Northwest Africa 960 | OC3 | 6.0400 | 3.7800 | 0.639 | -0.18 | 0.03 | 0.12 |
Northwest Africa 7906 | Martian (polymict breccia) | 6.2800 | 3.9200 | 0.654 | 0.06 | 0.17 | 0.14 |
Northwest Africa 960 | OC3 | 6.0300 | 3.7400 | 0.604 | -0.19 | -0.01 | 0.09 |
Rabt Sbayta 012 | Martian (polymict breccia) | 6.3320 | 3.9040 | 0.611 | 0.12 | 0.15 | 0.09 |
Northwest Africa 7034 | Martian (polymict breccia) | 6.0000 | 3.7600 | 0.64 | -0.22 | 0.01 | 0.12 |
Northwest Africa 10922 | Martian (polymict breccia) | 5.9920 | 3.7500 | 0.634 | -0.22 | 0 | 0.12 |
Rabt Sbayta 012 | Martian (polymict breccia) | 6.3370 | 3.9430 | 0.648 | 0.12 | 0.19 | 0.13 |
Northwest Africa 13411 | OC5-an | 6.4330 | 3.6660 | 0.321 | 0.22 | -0.08 | -0.2 |
Northwest Africa 6082 | LL3 | 5.9900 | 3.8200 | 0.705 | -0.23 | 0.07 | 0.19 |
Northwest Africa 4298 | OC3 | 5.9600 | 3.7800 | 0.681 | -0.26 | 0.03 | 0.16 |
Northwest Africa 7135 | Chondrite-ung | 6.4500 | 3.8590 | 0.505 | 0.23 | 0.11 | -0.01 |
Northwest Africa 10922 | Martian (polymict breccia) | 5.9600 | 3.7140 | 0.615 | -0.26 | -0.04 | 0.1 |
Burnwell | H4-an | 5.9700 | 3.6100 | 0.506 | -0.25 | -0.14 | -0.01 |
Northwest Africa 10769 | Chondrite-ung | 5.9500 | 3.6500 | 0.556 | -0.27 | -0.1 | 0.04 |
Northwest Africa 7533 | Martian (polymict breccia) | 5.9200 | 3.6500 | 0.572 | -0.3 | -0.1 | 0.05 |
Northwest Africa 6864 | L3.15 | 6.0620 | 4.0240 | 0.872 | -0.15 | 0.27 | 0.35 |
Northwest Africa 6082 | LL3 | 5.9100 | 3.8400 | 0.767 | -0.31 | 0.09 | 0.25 |
Northwest Africa 13411 | OC5-an | 6.5260 | 3.8360 | 0.442 | 0.31 | 0.09 | -0.07 |
Northwest Africa 8061 | H3.10 | 6.3200 | 3.4340 | 0.148 | 0.1 | -0.32 | -0.37 |
Northwest Africa 8773 | LL3 | 6.1540 | 4.0870 | 0.887 | -0.06 | 0.34 | 0.37 |
Northwest Africa 10102 | L(LL)3 | 6.2120 | 4.0930 | 0.863 | -0 | 0.34 | 0.35 |
Northwest Africa 8773 | LL3 | 5.9270 | 3.9530 | 0.871 | -0.29 | 0.2 | 0.35 |
Northwest Africa 8691 | LL4-6 | 5.9160 | 3.9630 | 0.887 | -0.3 | 0.21 | 0.37 |
Jiddat al Harasis 567 | H3.6 | 5.8300 | 3.8000 | 0.768 | -0.39 | 0.05 | 0.25 |
Northwest Africa 4549 | LL3.1 | 6.0200 | 4.1000 | 0.97 | -0.2 | 0.35 | 0.45 |
Northwest Africa 8773 | LL3 | 5.9850 | 4.0840 | 0.972 | -0.23 | 0.33 | 0.45 |
Quinyambie | LL3.6 | 6.0200 | 4.1200 | 0.99 | -0.2 | 0.37 | 0.47 |
Bishunpur | LL3.15 | 6.0000 | 4.1100 | 0.99 | -0.22 | 0.36 | 0.47 |
Northwest Africa 12821 | EL3 | 6.0490 | 3.3590 | 0.214 | -0.17 | -0.39 | -0.3 |
Northwest Africa 12821 | EL3 | 6.4020 | 3.3670 | 0.038 | 0.19 | -0.38 | -0.48 |
Northwest Africa 13272 | Achondrite-ung | 6.0960 | 4.1590 | 0.989 | -0.12 | 0.41 | 0.47 |
Rabt Sbayta 012 | Martian (polymict breccia) | 6.5250 | 4.0640 | 0.671 | 0.31 | 0.31 | 0.15 |
Northwest Africa 4416 | EL6 | 6.3850 | 3.3420 | 0.022 | 0.17 | -0.41 | -0.5 |
Northwest Africa 10989 | Lunar | 6.5100 | 3.4200 | 0.035 | 0.29 | -0.33 | -0.48 |
Northwest Africa 4415 | EL6 | 6.3880 | 3.3400 | 0.018 | 0.17 | -0.41 | -0.5 |
Northwest Africa 12593 | Lunar (frag. breccia) | 6.3610 | 3.3280 | 0.02 | 0.15 | -0.42 | -0.5 |
Northwest Africa 7034 | Martian (polymict breccia) | 6.5100 | 4.0900 | 0.705 | 0.29 | 0.34 | 0.19 |
Jiddat al Harasis 819 | H4-an | 5.7700 | 3.6500 | 0.65 | -0.45 | -0.1 | 0.13 |
Willaroy | H3.8-an | 5.8700 | 3.4500 | 0.398 | -0.35 | -0.3 | -0.12 |
Northwest Africa 12980 | Lunar (melt breccia) | 6.2890 | 3.2940 | 0.024 | 0.07 | -0.46 | -0.49 |
Dhofar 1436 | Lunar | 6.2440 | 3.2860 | 0.039 | 0.03 | -0.46 | -0.48 |
Northwest Africa 6867 | LL3 | 5.7640 | 3.6180 | 0.621 | -0.45 | -0.13 | 0.1 |
Jiddat al Harasis 846 | OC3 | 6.5330 | 4.0980 | 0.701 | 0.32 | 0.35 | 0.18 |
Northwest Africa 11444 | Lunar (melt breccia) | 6.2800 | 3.2800 | 0.014 | 0.06 | -0.47 | -0.5 |
Jiddat al Harasis 360 | L-melt rock | 5.7920 | 3.9710 | 0.959 | -0.42 | 0.22 | 0.44 |
Northwest Africa 13272 | Achondrite-ung | 5.9080 | 4.1200 | 1.048 | -0.31 | 0.37 | 0.53 |
Northwest Africa 7034 | Martian (polymict breccia) | 5.7900 | 3.5200 | 0.509 | -0.43 | -0.23 | -0.01 |
Northwest Africa 12727 | LL3 | 5.7900 | 3.9900 | 0.979 | -0.43 | 0.24 | 0.46 |
Dar al Gani 1031 | EL4 | 6.6200 | 3.4700 | 0.028 | 0.4 | -0.28 | -0.49 |
Northwest Africa 10922 | Martian (polymict breccia) | 5.7460 | 3.5880 | 0.6 | -0.47 | -0.16 | 0.08 |
Northwest Africa 12592 | Lunar (frag. breccia) | 6.3330 | 3.2660 | -0.027 | 0.12 | -0.48 | -0.54 |