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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 |
---|---|---|---|---|
5.4600 | 2.9600 | 0.1200 | 0.121 | |
6.0560 | 3.2750 | 0.1259 | 0.126 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Dhofar 1015 | EH4 | 5.7470 | 3.1160 | 0.128 | -0.01 | -0 | 0 |
St. Mark's | EH5 | 5.7990 | 3.1270 | 0.112 | 0.04 | 0.01 | -0.01 |
Saint-Sauveur | EH5 | 5.7250 | 3.1540 | 0.177 | -0.03 | 0.04 | 0.05 |
Daniel's Kuil | EL6 | 5.7600 | 3.0400 | 0.045 | 0 | -0.08 | -0.08 |
Northwest Africa 12821 | EL3 | 5.8460 | 3.1190 | 0.079 | 0.09 | 0 | -0.04 |
Northwest Africa 3136 | Lunar (basalt) | 5.8300 | 3.0600 | 0.028 | 0.07 | -0.06 | -0.09 |
Ghadduwah 001 | Lunar (anorth) | 5.8100 | 3.0380 | 0.017 | 0.05 | -0.08 | -0.11 |
Almahata Sitta | Ureilite-an | 5.8200 | 3.0300 | 0.004 | 0.06 | -0.09 | -0.12 |
Northwest Africa 8061 | H3.10 | 5.6520 | 3.1390 | 0.2 | -0.11 | 0.02 | 0.08 |
Northwest Africa 13304 | Aubrite | 5.7420 | 3.0040 | 0.018 | -0.02 | -0.11 | -0.11 |
Northwest Africa 14340 | Lunar (feldsp. breccia) | 5.7920 | 3.0030 | -0.009 | 0.03 | -0.11 | -0.13 |
Ghadduwah 001 | Lunar (anorth) | 5.8520 | 3.0420 | -0.001 | 0.09 | -0.08 | -0.12 |
Hvittis | EL6 | 5.6800 | 3.0200 | 0.066 | -0.08 | -0.1 | -0.06 |
North West Forrest (E6) | EL6 | 5.8810 | 3.1490 | 0.091 | 0.12 | 0.03 | -0.03 |
Northwest Africa 12997 | Lunar (troct) | 5.8800 | 3.0745 | 0.017 | 0.12 | -0.04 | -0.11 |
Shallowater | Aubrite | 5.7910 | 2.9910 | -0.02 | 0.03 | -0.13 | -0.14 |
Northwest Africa 7809 | EH-melt rock | 5.7560 | 2.9830 | -0.01 | -0 | -0.13 | -0.13 |
Bishopville | Aubrite | 5.6960 | 2.9970 | 0.035 | -0.06 | -0.12 | -0.09 |
Northwest Africa 8785 | EL3 | 5.8200 | 2.9960 | -0.03 | 0.06 | -0.12 | -0.15 |
Daniel's Kuil | EL6 | 5.7400 | 2.9800 | -0.005 | -0.02 | -0.14 | -0.13 |
Jajh deh Kot Lalu | EL6 | 5.8860 | 3.0510 | -0.01 | 0.13 | -0.07 | -0.13 |
Northwest Africa 8061 | H3.10 | 5.6320 | 3.0400 | 0.111 | -0.13 | -0.08 | -0.01 |
Northwest Africa 12821 | EL3 | 5.8920 | 3.0450 | -0.019 | 0.13 | -0.07 | -0.14 |
Yamato 981031 | Lunar (anorth) | 5.6400 | 3.0100 | 0.077 | -0.12 | -0.11 | -0.05 |
Northwest Africa 6572 | Achondrite-ung | 5.7010 | 2.9560 | -0.009 | -0.06 | -0.16 | -0.13 |
Saint-Sauveur | EH5 | 5.9300 | 3.1300 | 0.046 | 0.17 | 0.01 | -0.08 |
Northwest Africa 13531 | Lunar (feldsp. breccia) | 5.9330 | 3.0830 | -0.002 | 0.18 | -0.03 | -0.13 |
Northwest Africa 7611 | Lunar | 5.9310 | 3.1610 | 0.077 | 0.17 | 0.04 | -0.05 |
Northwest Africa 7493 | Lunar (feldsp. breccia) | 5.6460 | 2.9630 | 0.027 | -0.11 | -0.15 | -0.1 |
Blithfield | EL6 | 5.6750 | 2.9430 | -0.008 | -0.08 | -0.17 | -0.13 |
Atlanta | EL6 | 5.5640 | 3.0620 | 0.169 | -0.19 | -0.06 | 0.05 |
Northwest Africa 4642 | Enst achon | 5.6140 | 2.9750 | 0.056 | -0.14 | -0.14 | -0.07 |
Northwest Africa 3136 | Lunar (basalt) | 5.9600 | 3.1000 | 0.001 | 0.2 | -0.02 | -0.12 |
Atlanta | EL6 | 5.6300 | 2.9600 | 0.032 | -0.13 | -0.16 | -0.09 |
Larned | Aubrite-an | 5.5920 | 2.9940 | 0.086 | -0.17 | -0.12 | -0.04 |
Northwest Africa 8785 | EL3 | 5.8490 | 2.9220 | -0.119 | 0.09 | -0.2 | -0.24 |
Northwest Africa 12412 | Martian (shergottite) | 5.5540 | 3.1960 | 0.308 | -0.2 | 0.08 | 0.18 |
Shallowater | Aubrite | 5.5900 | 2.9700 | 0.063 | -0.17 | -0.15 | -0.06 |
Galim (b) | EH3/4-an | 5.5290 | 3.0860 | 0.211 | -0.23 | -0.03 | 0.09 |
Northwest Africa 032 | Lunar (basalt) | 5.6300 | 2.9200 | -0.008 | -0.13 | -0.2 | -0.13 |
Northwest Africa 11071 | EH-melt rock | 5.9960 | 3.1200 | 0.002 | 0.24 | 0 | -0.12 |
Northwest Africa 8785 | EL3 | 5.7070 | 2.8800 | -0.088 | -0.05 | -0.24 | -0.21 |
Northwest Africa 3333 | Lunar | 5.5900 | 2.9400 | 0.033 | -0.17 | -0.18 | -0.09 |
Northwest Africa 13304 | Aubrite | 5.6080 | 2.9240 | 0.008 | -0.15 | -0.19 | -0.12 |
Northwest Africa 6172 | Achondrite-ung | 5.5400 | 3.0000 | 0.119 | -0.22 | -0.12 | -0 |
Ufana | EL6 | 5.5400 | 3.0000 | 0.119 | -0.22 | -0.12 | -0 |
Sayh al Uhaymir 188 | EL4 | 5.9900 | 3.2130 | 0.098 | 0.23 | 0.1 | -0.03 |
Yamato 983885 | Lunar (anorth) | 5.6500 | 2.8900 | -0.048 | -0.11 | -0.23 | -0.17 |
Bustee | Aubrite | 5.6110 | 2.9070 | -0.011 | -0.15 | -0.21 | -0.13 |
Abee | EH4 | 5.5200 | 3.0200 | 0.15 | -0.24 | -0.1 | 0.03 |
Khairpur | EL6 | 5.5400 | 2.9800 | 0.099 | -0.22 | -0.14 | -0.02 |
Graves Nunataks 06128 | Achondrite-ung | 6.0100 | 3.0500 | -0.075 | 0.25 | -0.07 | -0.2 |
Graves Nunataks 06128 | Achondrite-ung | 5.6300 | 2.8900 | -0.038 | -0.13 | -0.23 | -0.16 |
Graves Nunataks 06128 | Achondrite-ung | 6.0100 | 3.0400 | -0.085 | 0.25 | -0.08 | -0.21 |
Pillistfer | EL6 | 5.5800 | 2.9200 | 0.018 | -0.18 | -0.2 | -0.1 |
Hvittis | EL6 | 6.0270 | 3.0820 | -0.052 | 0.27 | -0.04 | -0.18 |
Northwest Africa 11962 | Lunar | 6.0300 | 3.1400 | 0.004 | 0.27 | 0.02 | -0.12 |
Northwest Africa 6572 | Achondrite-ung | 5.6190 | 2.8810 | -0.041 | -0.14 | -0.24 | -0.16 |
Grein 002 | EL4/5 | 5.5740 | 2.9060 | 0.008 | -0.18 | -0.21 | -0.12 |
Northwest Africa 12821 | EL3 | 6.0230 | 3.2120 | 0.08 | 0.27 | 0.09 | -0.04 |
Pillistfer | EL6 | 6.0390 | 3.0990 | -0.041 | 0.28 | -0.02 | -0.16 |
Northwest Africa 7388 | Brachinite | 5.6350 | 2.8620 | -0.068 | -0.12 | -0.26 | -0.19 |
Northwest Africa 13411 | OC5-an | 5.5200 | 3.2770 | 0.407 | -0.24 | 0.16 | 0.28 |
Mayo Belwa | Aubrite | 5.5470 | 2.9230 | 0.039 | -0.21 | -0.19 | -0.08 |
Northwest Africa 6077 | Achondrite-ung | 5.5360 | 2.9320 | 0.053 | -0.22 | -0.19 | -0.07 |
Northwest Africa 8785 | EL3 | 6.0420 | 3.1800 | 0.038 | 0.28 | 0.06 | -0.09 |
Northwest Africa 6065 | Achondrite-ung | 5.5980 | 2.8730 | -0.038 | -0.16 | -0.24 | -0.16 |
Mount DeWitt 12007 | Lunar | 6.0500 | 3.1300 | -0.016 | 0.29 | 0.01 | -0.14 |
Northwest Africa 2828 | EL-melt rock | 5.5600 | 2.9000 | 0.009 | -0.2 | -0.22 | -0.11 |
Northwest Africa 12542 | Martian (nakhlite) | 5.4630 | 3.1330 | 0.292 | -0.3 | 0.02 | 0.17 |
Kaidun | CR2 | 5.7500 | 2.8200 | -0.17 | -0.01 | -0.3 | -0.29 |
Lewis Cliff 87119 | EL6 | 5.5260 | 2.9310 | 0.057 | -0.23 | -0.19 | -0.07 |
Northwest Africa 5885 | Aubrite | 5.5850 | 2.8750 | -0.029 | -0.17 | -0.24 | -0.15 |
Northwest Africa 4486 | OC3 | 5.5100 | 3.2900 | 0.425 | -0.25 | 0.17 | 0.3 |
Almahata Sitta | Ureilite-an | 6.0500 | 3.2100 | 0.064 | 0.29 | 0.09 | -0.06 |
Northwest Africa 2353 | Achondrite-ung | 5.5100 | 3.3000 | 0.435 | -0.25 | 0.18 | 0.31 |
Khor Temiki | Aubrite | 5.5180 | 2.9010 | 0.032 | -0.24 | -0.22 | -0.09 |
Catalina 400 | EH5 | 6.0520 | 2.9820 | -0.165 | 0.29 | -0.14 | -0.29 |
Qingzhen | EH3 | 6.0800 | 3.1600 | -0.002 | 0.32 | 0.04 | -0.12 |
Northwest Africa 12821 | EL3 | 6.0680 | 3.2160 | 0.061 | 0.31 | 0.1 | -0.06 |
Khairpur | EL6 | 6.0890 | 3.1730 | 0.007 | 0.33 | 0.06 | -0.12 |
Northwest Africa 8124 | LL3 | 5.4700 | 3.2920 | 0.448 | -0.29 | 0.17 | 0.32 |
Northwest Africa 12821 | EL3 | 6.0910 | 3.1680 | 0.001 | 0.33 | 0.05 | -0.12 |
Ilafegh 009 | EL7 | 5.5100 | 2.8800 | 0.015 | -0.25 | -0.24 | -0.11 |
Northwest Africa 2828 | EL-melt rock | 5.5000 | 2.8900 | 0.03 | -0.26 | -0.23 | -0.09 |
Northwest Africa 6065 | Achondrite-ung | 5.5580 | 2.8300 | -0.06 | -0.2 | -0.29 | -0.18 |
Northwest Africa 12821 | EL3 | 6.0810 | 3.2540 | 0.092 | 0.32 | 0.14 | -0.03 |
Willaroy | H3.8-an | 5.8700 | 3.4500 | 0.398 | 0.11 | 0.33 | 0.27 |
Northwest Africa 13304 | Aubrite | 5.5110 | 2.8680 | 0.002 | -0.25 | -0.25 | -0.12 |
Jiddat al Harasis 805 | L(H)3 | 5.6370 | 3.4480 | 0.517 | -0.12 | 0.33 | 0.39 |
Abee | EH4 | 6.0800 | 3.2700 | 0.108 | 0.32 | 0.15 | -0.01 |
Northwest Africa 12593 | Lunar (frag. breccia) | 6.1060 | 3.2030 | 0.028 | 0.35 | 0.09 | -0.1 |
Northwest Africa 6424 | Achondrite-ung | 5.4600 | 2.8900 | 0.051 | -0.3 | -0.23 | -0.07 |
Qingzhen | EH3 | 5.5200 | 2.8260 | -0.044 | -0.24 | -0.29 | -0.17 |
Allan Hills A81021 | EL6 | 5.4970 | 2.8450 | -0.013 | -0.26 | -0.27 | -0.14 |
Northwest Africa 12821 | EL3 | 6.0490 | 3.3590 | 0.214 | 0.29 | 0.24 | 0.09 |
Aubres | Aubrite | 5.4660 | 2.8710 | 0.029 | -0.29 | -0.25 | -0.09 |
Pesyanoe | Aubrite | 5.4590 | 2.8740 | 0.035 | -0.3 | -0.24 | -0.09 |
Yilmia | EL6 | 5.4720 | 2.8470 | 0.002 | -0.29 | -0.27 | -0.12 |
Abar al' Uj 012 | Lunar | 5.4600 | 2.8600 | 0.021 | -0.3 | -0.26 | -0.1 |
Northwest Africa 4375 | Winonaite | 5.8800 | 2.7400 | -0.318 | 0.12 | -0.38 | -0.44 |
Mayo Belwa | Aubrite | 5.4800 | 2.8300 | -0.02 | -0.28 | -0.29 | -0.14 |
Northwest Africa 8649 | LL3.05 | 5.7660 | 3.5180 | 0.52 | 0.01 | 0.4 | 0.4 |
Northwest Africa 6867 | LL3 | 5.5470 | 3.4590 | 0.575 | -0.21 | 0.34 | 0.45 |
Cumberland Falls | Aubrite | 5.4370 | 3.3590 | 0.532 | -0.32 | 0.24 | 0.41 |
Ghadduwah 001 | Lunar (anorth) | 6.1520 | 3.1980 | -0.001 | 0.39 | 0.08 | -0.12 |
Socorro | Martian (shergottite) | 5.3570 | 3.0770 | 0.291 | -0.4 | -0.04 | 0.17 |
Northwest Africa 7034 | Martian (polymict breccia) | 5.7900 | 3.5200 | 0.509 | 0.03 | 0.4 | 0.39 |
Aridal 010 | Brachinite | 6.1700 | 3.1000 | -0.108 | 0.41 | -0.02 | -0.23 |
Watson 012 | H7 | 5.5000 | 3.4400 | 0.58 | -0.26 | 0.32 | 0.46 |
Northwest Africa 12592 | Lunar (frag. breccia) | 6.1740 | 3.2170 | 0.007 | 0.42 | 0.1 | -0.12 |
Almahata Sitta | Ureilite-an | 6.1700 | 3.2400 | 0.032 | 0.41 | 0.12 | -0.09 |
Northwest Africa 7042 | Martian (shergottite) | 5.3260 | 3.1020 | 0.332 | -0.43 | -0.02 | 0.21 |
Ilafegh 009 | EL7 | 5.3790 | 2.9060 | 0.109 | -0.38 | -0.21 | -0.01 |
Northwest Africa 4298 | OC3 | 5.5700 | 3.5100 | 0.614 | -0.19 | 0.39 | 0.49 |
Northwest Africa 4294 | OC3 | 5.3800 | 3.3400 | 0.542 | -0.38 | 0.22 | 0.42 |
Northwest Africa 12532 | Brachinite | 5.5730 | 2.7130 | -0.185 | -0.19 | -0.4 | -0.31 |
LaPaz Icefield 02205 | Lunar (basalt) | 5.6000 | 2.7000 | -0.212 | -0.16 | -0.42 | -0.34 |
Northwest Africa 7135 | Chondrite-ung | 5.3260 | 3.2620 | 0.492 | -0.43 | 0.14 | 0.37 |
Galb Inal | Lunar | 6.1980 | 3.2380 | 0.015 | 0.44 | 0.12 | -0.11 |
Northwest Africa 8649 | LL3.05 | 5.6590 | 3.5630 | 0.62 | -0.1 | 0.45 | 0.5 |
Elephant Moraine 92063 | EL6 | 5.4340 | 2.7960 | -0.03 | -0.32 | -0.32 | -0.15 |
Northwest Africa 4864 | Martian (shergottite) | 5.3000 | 3.1000 | 0.344 | -0.46 | -0.02 | 0.22 |
Cumberland Falls | Aubrite | 5.3000 | 3.1000 | 0.344 | -0.46 | -0.02 | 0.22 |
Northwest Africa 4294 | OC3 | 5.3100 | 3.2300 | 0.469 | -0.45 | 0.11 | 0.35 |
Zakłodzie | Enst achon-ung | 5.3500 | 2.9000 | 0.118 | -0.41 | -0.22 | -0.01 |
Northwest Africa 3260 | LL3 | 5.6500 | 3.5690 | 0.631 | -0.11 | 0.45 | 0.51 |
Ramlat Fasad 532 | Lunar (gabbro) | 6.2050 | 3.2490 | 0.022 | 0.45 | 0.13 | -0.1 |
Khor Temiki | Aubrite | 5.3600 | 2.8700 | 0.083 | -0.4 | -0.25 | -0.04 |
Kota-Kota | EH3 | 6.2210 | 3.1920 | -0.043 | 0.46 | 0.07 | -0.17 |
Northwest Africa 10922 | Martian (polymict breccia) | 5.7460 | 3.5880 | 0.6 | -0.01 | 0.47 | 0.48 |
Sahara 97096 | EH3 | 5.4450 | 2.7660 | -0.065 | -0.31 | -0.35 | -0.19 |
Pillistfer | EL6 | 6.2100 | 3.2500 | 0.021 | 0.45 | 0.13 | -0.1 |
Almahata Sitta | Ureilite-an | 6.2200 | 3.2300 | -0.004 | 0.46 | 0.11 | -0.13 |
Norton County | Aubrite | 5.3780 | 2.8270 | 0.03 | -0.38 | -0.29 | -0.09 |
Allan Hills A78113 | Aubrite | 5.3500 | 2.8600 | 0.078 | -0.41 | -0.26 | -0.05 |
Adhi Kot | EH4 | 5.4200 | 2.7700 | -0.048 | -0.34 | -0.35 | -0.17 |
Northwest Africa 11729 | Eucrite-an | 5.5400 | 2.6800 | -0.201 | -0.22 | -0.44 | -0.32 |
Pesyanoe | Aubrite | 5.3700 | 2.8200 | 0.028 | -0.39 | -0.3 | -0.1 |
MacAlpine Hills 88104 | Lunar (anorth) | 5.5000 | 2.7000 | -0.16 | -0.26 | -0.42 | -0.28 |
Cumberland Falls | Aubrite | 5.4850 | 3.5270 | 0.675 | -0.27 | 0.41 | 0.55 |
Elephant Moraine 87521 | Lunar (basalt) | 5.3900 | 2.7900 | -0.013 | -0.37 | -0.33 | -0.14 |
Northwest Africa 7135 | Chondrite-ung | 5.3330 | 3.3790 | 0.606 | -0.43 | 0.26 | 0.48 |