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Oxygen isotope composition of enstatite chondrites and aubrites (SNCs shown for comparison). Data for Enstatite chondrites and aubrites from Newton et al. (2000). Data for Martian meteorites (SNCs) from Franchi et al. (1999) and compiled from laser fluorination analyses in the Meteoritical Bulletin. TFL: terrestrial fractionation line. |
δ18O | δ17O | Δ17O: given | Δ17O: linear | Comment |
---|---|---|---|---|
5.7470 | 3.1160 | 0.1280 | 0.128 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 8061 | H3.10 | 5.6520 | 3.1390 | 0.2 | -0.09 | 0.02 | 0.07 |
Northwest Africa 12821 | EL3 | 5.8460 | 3.1190 | 0.079 | 0.1 | 0 | -0.05 |
Northwest Africa 3136 | Lunar (basalt) | 5.8300 | 3.0600 | 0.028 | 0.08 | -0.06 | -0.1 |
Ghadduwah 001 | Lunar (anorth) | 5.8100 | 3.0380 | 0.017 | 0.06 | -0.08 | -0.11 |
Northwest Africa 13304 | Aubrite | 5.7420 | 3.0040 | 0.018 | -0 | -0.11 | -0.11 |
Ghadduwah 001 | Lunar (anorth) | 5.8520 | 3.0420 | -0.001 | 0.11 | -0.07 | -0.13 |
Northwest Africa 8061 | H3.10 | 5.6320 | 3.0400 | 0.111 | -0.12 | -0.08 | -0.02 |
Northwest Africa 12997 | Lunar (troct) | 5.8800 | 3.0745 | 0.017 | 0.13 | -0.04 | -0.11 |
Northwest Africa 8785 | EL3 | 5.8200 | 2.9960 | -0.03 | 0.07 | -0.12 | -0.16 |
Yamato 981031 | Lunar (anorth) | 5.6400 | 3.0100 | 0.077 | -0.11 | -0.11 | -0.05 |
Northwest Africa 12821 | EL3 | 5.8920 | 3.0450 | -0.019 | 0.15 | -0.07 | -0.15 |
Northwest Africa 6572 | Achondrite-ung | 5.7010 | 2.9560 | -0.009 | -0.05 | -0.16 | -0.14 |
Northwest Africa 7493 | Lunar (feldsp. breccia) | 5.6460 | 2.9630 | 0.027 | -0.1 | -0.15 | -0.1 |
Northwest Africa 13531 | Lunar (feldsp. breccia) | 5.9330 | 3.0830 | -0.002 | 0.19 | -0.03 | -0.13 |
Northwest Africa 7611 | Lunar | 5.9310 | 3.1610 | 0.077 | 0.18 | 0.04 | -0.05 |
Northwest Africa 4642 | Enst achon | 5.6140 | 2.9750 | 0.056 | -0.13 | -0.14 | -0.07 |
Northwest Africa 12412 | Martian (shergottite) | 5.5540 | 3.1960 | 0.308 | -0.19 | 0.08 | 0.18 |
Northwest Africa 3136 | Lunar (basalt) | 5.9600 | 3.1000 | 0.001 | 0.21 | -0.02 | -0.13 |
Northwest Africa 8785 | EL3 | 5.8490 | 2.9220 | -0.119 | 0.1 | -0.19 | -0.25 |
Northwest Africa 032 | Lunar (basalt) | 5.6300 | 2.9200 | -0.008 | -0.12 | -0.2 | -0.14 |
Northwest Africa 3333 | Lunar | 5.5900 | 2.9400 | 0.033 | -0.16 | -0.18 | -0.09 |
Northwest Africa 13304 | Aubrite | 5.6080 | 2.9240 | 0.008 | -0.14 | -0.19 | -0.12 |
Northwest Africa 6172 | Achondrite-ung | 5.5400 | 3.0000 | 0.119 | -0.21 | -0.12 | -0.01 |
Northwest Africa 8785 | EL3 | 5.7070 | 2.8800 | -0.088 | -0.04 | -0.24 | -0.22 |
Yamato 983885 | Lunar (anorth) | 5.6500 | 2.8900 | -0.048 | -0.1 | -0.23 | -0.18 |
Graves Nunataks 06128 | Achondrite-ung | 5.6300 | 2.8900 | -0.038 | -0.12 | -0.23 | -0.17 |
Sayh al Uhaymir 188 | EL4 | 5.9900 | 3.2130 | 0.098 | 0.24 | 0.1 | -0.03 |
Northwest Africa 6572 | Achondrite-ung | 5.6190 | 2.8810 | -0.041 | -0.13 | -0.24 | -0.17 |
Graves Nunataks 06128 | Achondrite-ung | 6.0100 | 3.0500 | -0.075 | 0.26 | -0.07 | -0.2 |
Graves Nunataks 06128 | Achondrite-ung | 6.0100 | 3.0400 | -0.085 | 0.26 | -0.08 | -0.21 |
Northwest Africa 7388 | Brachinite | 5.6350 | 2.8620 | -0.068 | -0.11 | -0.25 | -0.2 |
Northwest Africa 13411 | OC5-an | 5.5200 | 3.2770 | 0.407 | -0.23 | 0.16 | 0.28 |
Northwest Africa 6077 | Achondrite-ung | 5.5360 | 2.9320 | 0.053 | -0.21 | -0.18 | -0.07 |
Northwest Africa 11962 | Lunar | 6.0300 | 3.1400 | 0.004 | 0.28 | 0.02 | -0.12 |
Northwest Africa 12542 | Martian (nakhlite) | 5.4630 | 3.1330 | 0.292 | -0.28 | 0.02 | 0.16 |
Northwest Africa 6065 | Achondrite-ung | 5.5980 | 2.8730 | -0.038 | -0.15 | -0.24 | -0.17 |
Northwest Africa 2828 | EL-melt rock | 5.5600 | 2.9000 | 0.009 | -0.19 | -0.22 | -0.12 |
Northwest Africa 5885 | Aubrite | 5.5850 | 2.8750 | -0.029 | -0.16 | -0.24 | -0.16 |
Northwest Africa 12821 | EL3 | 6.0230 | 3.2120 | 0.08 | 0.28 | 0.1 | -0.05 |
Northwest Africa 4486 | OC3 | 5.5100 | 3.2900 | 0.425 | -0.24 | 0.17 | 0.3 |
Northwest Africa 2353 | Achondrite-ung | 5.5100 | 3.3000 | 0.435 | -0.24 | 0.18 | 0.31 |
Northwest Africa 8785 | EL3 | 6.0420 | 3.1800 | 0.038 | 0.3 | 0.06 | -0.09 |
Mount DeWitt 12007 | Lunar | 6.0500 | 3.1300 | -0.016 | 0.3 | 0.01 | -0.14 |
Northwest Africa 8124 | LL3 | 5.4700 | 3.2920 | 0.448 | -0.28 | 0.18 | 0.32 |
Northwest Africa 2828 | EL-melt rock | 5.5000 | 2.8900 | 0.03 | -0.25 | -0.23 | -0.1 |
Northwest Africa 12821 | EL3 | 6.0680 | 3.2160 | 0.061 | 0.32 | 0.1 | -0.07 |
Northwest Africa 13304 | Aubrite | 5.5110 | 2.8680 | 0.002 | -0.24 | -0.25 | -0.13 |
Northwest Africa 6065 | Achondrite-ung | 5.5580 | 2.8300 | -0.06 | -0.19 | -0.29 | -0.19 |
Northwest Africa 12821 | EL3 | 6.0910 | 3.1680 | 0.001 | 0.34 | 0.05 | -0.13 |
Jiddat al Harasis 805 | L(H)3 | 5.6370 | 3.4480 | 0.517 | -0.11 | 0.33 | 0.39 |
Willaroy | H3.8-an | 5.8700 | 3.4500 | 0.398 | 0.12 | 0.33 | 0.27 |
Northwest Africa 12821 | EL3 | 6.0810 | 3.2540 | 0.092 | 0.33 | 0.14 | -0.04 |
Northwest Africa 6424 | Achondrite-ung | 5.4600 | 2.8900 | 0.051 | -0.29 | -0.23 | -0.08 |
Northwest Africa 12593 | Lunar (frag. breccia) | 6.1060 | 3.2030 | 0.028 | 0.36 | 0.09 | -0.1 |
Abar al' Uj 012 | Lunar | 5.4600 | 2.8600 | 0.021 | -0.29 | -0.26 | -0.11 |
Northwest Africa 12821 | EL3 | 6.0490 | 3.3590 | 0.214 | 0.3 | 0.24 | 0.09 |
Northwest Africa 6867 | LL3 | 5.5470 | 3.4590 | 0.575 | -0.2 | 0.34 | 0.45 |
Northwest Africa 4375 | Winonaite | 5.8800 | 2.7400 | -0.318 | 0.13 | -0.38 | -0.45 |
Northwest Africa 8649 | LL3.05 | 5.7660 | 3.5180 | 0.52 | 0.02 | 0.4 | 0.39 |
Northwest Africa 7034 | Martian (polymict breccia) | 5.7900 | 3.5200 | 0.509 | 0.04 | 0.4 | 0.38 |
Watson 012 | H7 | 5.5000 | 3.4400 | 0.58 | -0.25 | 0.32 | 0.45 |
Ghadduwah 001 | Lunar (anorth) | 6.1520 | 3.1980 | -0.001 | 0.41 | 0.08 | -0.13 |
Northwest Africa 7042 | Martian (shergottite) | 5.3260 | 3.1020 | 0.332 | -0.42 | -0.01 | 0.2 |
Aridal 010 | Brachinite | 6.1700 | 3.1000 | -0.108 | 0.42 | -0.02 | -0.24 |
Northwest Africa 4294 | OC3 | 5.3800 | 3.3400 | 0.542 | -0.37 | 0.22 | 0.41 |
Northwest Africa 4298 | OC3 | 5.5700 | 3.5100 | 0.614 | -0.18 | 0.39 | 0.49 |
Northwest Africa 12592 | Lunar (frag. breccia) | 6.1740 | 3.2170 | 0.007 | 0.43 | 0.1 | -0.12 |
LaPaz Icefield 02205 | Lunar (basalt) | 5.6000 | 2.7000 | -0.212 | -0.15 | -0.42 | -0.34 |
Northwest Africa 7135 | Chondrite-ung | 5.3260 | 3.2620 | 0.492 | -0.42 | 0.15 | 0.36 |
Northwest Africa 4864 | Martian (shergottite) | 5.3000 | 3.1000 | 0.344 | -0.45 | -0.02 | 0.22 |
Northwest Africa 4294 | OC3 | 5.3100 | 3.2300 | 0.469 | -0.44 | 0.11 | 0.34 |
Northwest Africa 8649 | LL3.05 | 5.6590 | 3.5630 | 0.62 | -0.09 | 0.45 | 0.49 |
Northwest Africa 3260 | LL3 | 5.6500 | 3.5690 | 0.631 | -0.1 | 0.45 | 0.5 |
Galb Inal | Lunar | 6.1980 | 3.2380 | 0.015 | 0.45 | 0.12 | -0.11 |
Northwest Africa 10922 | Martian (polymict breccia) | 5.7460 | 3.5880 | 0.6 | -0 | 0.47 | 0.47 |
Northwest Africa 11729 | Eucrite-an | 5.5400 | 2.6800 | -0.201 | -0.21 | -0.44 | -0.33 |
Elephant Moraine 87521 | Lunar (basalt) | 5.3900 | 2.7900 | -0.013 | -0.36 | -0.33 | -0.14 |
MacAlpine Hills 88104 | Lunar (anorth) | 5.5000 | 2.7000 | -0.16 | -0.25 | -0.42 | -0.29 |
Northwest Africa 7135 | Chondrite-ung | 5.3330 | 3.3790 | 0.606 | -0.41 | 0.26 | 0.48 |
Northwest Africa 5885 | Aubrite | 5.3350 | 2.8490 | 0.075 | -0.41 | -0.27 | -0.05 |
Ramlat Fasad 057 | Martian (shergottite) | 5.2570 | 3.0310 | 0.297 | -0.49 | -0.09 | 0.17 |