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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 |
---|---|---|---|---|
5.5400 | 2.9800 | 0.1000 | 0.099 | |
6.0890 | 3.1730 | 0.0067 | 0.007 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 3136 | Lunar (basalt) | 5.8300 | 3.0600 | 0.028 | 0.02 | -0.02 | -0.02 |
Ghadduwah 001 | Lunar (anorth) | 5.8100 | 3.0380 | 0.017 | -0 | -0.04 | -0.04 |
Almahata Sitta | Ureilite-an | 5.8200 | 3.0300 | 0.004 | 0.01 | -0.05 | -0.05 |
Ghadduwah 001 | Lunar (anorth) | 5.8520 | 3.0420 | -0.001 | 0.04 | -0.03 | -0.05 |
St. Mark's | EH5 | 5.7990 | 3.1270 | 0.112 | -0.02 | 0.05 | 0.06 |
Northwest Africa 12821 | EL3 | 5.8460 | 3.1190 | 0.079 | 0.03 | 0.04 | 0.03 |
Northwest Africa 12997 | Lunar (troct) | 5.8800 | 3.0745 | 0.017 | 0.07 | -0 | -0.04 |
Daniel's Kuil | EL6 | 5.7600 | 3.0400 | 0.045 | -0.05 | -0.04 | -0.01 |
Jajh deh Kot Lalu | EL6 | 5.8860 | 3.0510 | -0.01 | 0.07 | -0.03 | -0.06 |
Northwest Africa 14340 | Lunar (feldsp. breccia) | 5.7920 | 3.0030 | -0.009 | -0.02 | -0.07 | -0.06 |
Dhofar 1015 | EH4 | 5.7470 | 3.1160 | 0.128 | -0.07 | 0.04 | 0.07 |
Northwest Africa 8785 | EL3 | 5.8200 | 2.9960 | -0.03 | 0.01 | -0.08 | -0.08 |
Northwest Africa 12821 | EL3 | 5.8920 | 3.0450 | -0.019 | 0.08 | -0.03 | -0.07 |
Shallowater | Aubrite | 5.7910 | 2.9910 | -0.02 | -0.02 | -0.09 | -0.07 |
North West Forrest (E6) | EL6 | 5.8810 | 3.1490 | 0.091 | 0.07 | 0.07 | 0.04 |
Northwest Africa 13304 | Aubrite | 5.7420 | 3.0040 | 0.018 | -0.07 | -0.07 | -0.03 |
Northwest Africa 7809 | EH-melt rock | 5.7560 | 2.9830 | -0.01 | -0.06 | -0.09 | -0.06 |
Saint-Sauveur | EH5 | 5.7250 | 3.1540 | 0.177 | -0.09 | 0.08 | 0.12 |
Northwest Africa 13531 | Lunar (feldsp. breccia) | 5.9330 | 3.0830 | -0.002 | 0.12 | 0.01 | -0.06 |
Daniel's Kuil | EL6 | 5.7400 | 2.9800 | -0.005 | -0.07 | -0.1 | -0.06 |
Saint-Sauveur | EH5 | 5.9300 | 3.1300 | 0.046 | 0.12 | 0.05 | -0.01 |
Bishopville | Aubrite | 5.6960 | 2.9970 | 0.035 | -0.12 | -0.08 | -0.02 |
Northwest Africa 7611 | Lunar | 5.9310 | 3.1610 | 0.077 | 0.12 | 0.08 | 0.02 |
Hvittis | EL6 | 5.6800 | 3.0200 | 0.066 | -0.13 | -0.06 | 0.01 |
Northwest Africa 3136 | Lunar (basalt) | 5.9600 | 3.1000 | 0.001 | 0.15 | 0.02 | -0.05 |
Northwest Africa 8785 | EL3 | 5.8490 | 2.9220 | -0.119 | 0.03 | -0.15 | -0.17 |
Northwest Africa 6572 | Achondrite-ung | 5.7010 | 2.9560 | -0.009 | -0.11 | -0.12 | -0.06 |
Northwest Africa 8061 | H3.10 | 5.6520 | 3.1390 | 0.2 | -0.16 | 0.06 | 0.15 |
Northwest Africa 8061 | H3.10 | 5.6320 | 3.0400 | 0.111 | -0.18 | -0.04 | 0.06 |
Northwest Africa 11071 | EH-melt rock | 5.9960 | 3.1200 | 0.002 | 0.18 | 0.04 | -0.05 |
Yamato 981031 | Lunar (anorth) | 5.6400 | 3.0100 | 0.077 | -0.17 | -0.07 | 0.02 |
Blithfield | EL6 | 5.6750 | 2.9430 | -0.008 | -0.14 | -0.13 | -0.06 |
Graves Nunataks 06128 | Achondrite-ung | 6.0100 | 3.0500 | -0.075 | 0.2 | -0.03 | -0.13 |
Graves Nunataks 06128 | Achondrite-ung | 6.0100 | 3.0400 | -0.085 | 0.2 | -0.04 | -0.14 |
Northwest Africa 7493 | Lunar (feldsp. breccia) | 5.6460 | 2.9630 | 0.027 | -0.17 | -0.11 | -0.03 |
Hvittis | EL6 | 6.0270 | 3.0820 | -0.052 | 0.21 | 0.01 | -0.11 |
Atlanta | EL6 | 5.6300 | 2.9600 | 0.032 | -0.18 | -0.12 | -0.02 |
Sayh al Uhaymir 188 | EL4 | 5.9900 | 3.2130 | 0.098 | 0.18 | 0.14 | 0.05 |
Northwest Africa 8785 | EL3 | 5.7070 | 2.8800 | -0.088 | -0.11 | -0.2 | -0.14 |
Northwest Africa 11962 | Lunar | 6.0300 | 3.1400 | 0.004 | 0.22 | 0.06 | -0.05 |
Northwest Africa 4642 | Enst achon | 5.6140 | 2.9750 | 0.056 | -0.2 | -0.1 | 0 |
Pillistfer | EL6 | 6.0390 | 3.0990 | -0.041 | 0.22 | 0.02 | -0.09 |
Larned | Aubrite-an | 5.5920 | 2.9940 | 0.086 | -0.22 | -0.08 | 0.03 |
Mount DeWitt 12007 | Lunar | 6.0500 | 3.1300 | -0.016 | 0.24 | 0.05 | -0.07 |
Northwest Africa 032 | Lunar (basalt) | 5.6300 | 2.9200 | -0.008 | -0.18 | -0.16 | -0.06 |
Shallowater | Aubrite | 5.5900 | 2.9700 | 0.063 | -0.22 | -0.11 | 0.01 |
Northwest Africa 12821 | EL3 | 6.0230 | 3.2120 | 0.08 | 0.21 | 0.14 | 0.03 |
Yamato 983885 | Lunar (anorth) | 5.6500 | 2.8900 | -0.048 | -0.16 | -0.19 | -0.1 |
Northwest Africa 8785 | EL3 | 6.0420 | 3.1800 | 0.038 | 0.23 | 0.1 | -0.01 |
Atlanta | EL6 | 5.5640 | 3.0620 | 0.169 | -0.25 | -0.01 | 0.12 |
Catalina 400 | EH5 | 6.0520 | 2.9820 | -0.165 | 0.24 | -0.09 | -0.22 |
Northwest Africa 13304 | Aubrite | 5.6080 | 2.9240 | 0.008 | -0.21 | -0.15 | -0.05 |
Graves Nunataks 06128 | Achondrite-ung | 5.6300 | 2.8900 | -0.038 | -0.18 | -0.19 | -0.09 |
Northwest Africa 3333 | Lunar | 5.5900 | 2.9400 | 0.033 | -0.22 | -0.14 | -0.02 |
Kaidun | CR2 | 5.7500 | 2.8200 | -0.17 | -0.06 | -0.26 | -0.22 |
Bustee | Aubrite | 5.6110 | 2.9070 | -0.011 | -0.2 | -0.17 | -0.06 |
Almahata Sitta | Ureilite-an | 6.0500 | 3.2100 | 0.064 | 0.24 | 0.13 | 0.01 |
Northwest Africa 6572 | Achondrite-ung | 5.6190 | 2.8810 | -0.041 | -0.2 | -0.2 | -0.09 |
Qingzhen | EH3 | 6.0800 | 3.1600 | -0.002 | 0.27 | 0.08 | -0.05 |
Northwest Africa 7388 | Brachinite | 5.6350 | 2.8620 | -0.068 | -0.18 | -0.21 | -0.12 |
Pillistfer | EL6 | 5.5800 | 2.9200 | 0.018 | -0.23 | -0.16 | -0.03 |
Northwest Africa 6172 | Achondrite-ung | 5.5400 | 3.0000 | 0.119 | -0.27 | -0.08 | 0.07 |
Ufana | EL6 | 5.5400 | 3.0000 | 0.119 | -0.27 | -0.08 | 0.07 |
Galim (b) | EH3/4-an | 5.5290 | 3.0860 | 0.211 | -0.29 | 0.01 | 0.16 |
Northwest Africa 12412 | Martian (shergottite) | 5.5540 | 3.1960 | 0.308 | -0.26 | 0.12 | 0.25 |
Northwest Africa 12821 | EL3 | 6.0680 | 3.2160 | 0.061 | 0.25 | 0.14 | 0.01 |
Northwest Africa 12821 | EL3 | 6.0910 | 3.1680 | 0.001 | 0.28 | 0.09 | -0.05 |
Grein 002 | EL4/5 | 5.5740 | 2.9060 | 0.008 | -0.24 | -0.17 | -0.05 |
Northwest Africa 6065 | Achondrite-ung | 5.5980 | 2.8730 | -0.038 | -0.22 | -0.2 | -0.09 |
Abee | EH4 | 5.5200 | 3.0200 | 0.15 | -0.29 | -0.06 | 0.1 |
Northwest Africa 5885 | Aubrite | 5.5850 | 2.8750 | -0.029 | -0.23 | -0.2 | -0.08 |
Mayo Belwa | Aubrite | 5.5470 | 2.9230 | 0.039 | -0.27 | -0.15 | -0.01 |
Northwest Africa 2828 | EL-melt rock | 5.5600 | 2.9000 | 0.009 | -0.25 | -0.18 | -0.04 |
Indarch | EH4 | 6.0560 | 3.2750 | 0.126 | 0.24 | 0.2 | 0.07 |
Northwest Africa 6077 | Achondrite-ung | 5.5360 | 2.9320 | 0.053 | -0.28 | -0.14 | 0 |
Northwest Africa 12593 | Lunar (frag. breccia) | 6.1060 | 3.2030 | 0.028 | 0.29 | 0.13 | -0.03 |
Northwest Africa 12821 | EL3 | 6.0810 | 3.2540 | 0.092 | 0.27 | 0.18 | 0.04 |
Lewis Cliff 87119 | EL6 | 5.5260 | 2.9310 | 0.057 | -0.29 | -0.15 | 0 |
Abee | EH4 | 6.0800 | 3.2700 | 0.108 | 0.27 | 0.19 | 0.06 |
Northwest Africa 4375 | Winonaite | 5.8800 | 2.7400 | -0.318 | 0.07 | -0.34 | -0.37 |
Khor Temiki | Aubrite | 5.5180 | 2.9010 | 0.032 | -0.3 | -0.18 | -0.02 |
Northwest Africa 6065 | Achondrite-ung | 5.5580 | 2.8300 | -0.06 | -0.26 | -0.25 | -0.11 |
Northwest Africa 12542 | Martian (nakhlite) | 5.4630 | 3.1330 | 0.292 | -0.35 | 0.06 | 0.24 |
Northwest Africa 13411 | OC5-an | 5.5200 | 3.2770 | 0.407 | -0.29 | 0.2 | 0.35 |
Aridal 010 | Brachinite | 6.1700 | 3.1000 | -0.108 | 0.36 | 0.02 | -0.16 |
Ghadduwah 001 | Lunar (anorth) | 6.1520 | 3.1980 | -0.001 | 0.34 | 0.12 | -0.05 |
Ilafegh 009 | EL7 | 5.5100 | 2.8800 | 0.015 | -0.3 | -0.2 | -0.04 |
Northwest Africa 2828 | EL-melt rock | 5.5000 | 2.8900 | 0.03 | -0.31 | -0.19 | -0.02 |
Northwest Africa 12821 | EL3 | 6.0490 | 3.3590 | 0.214 | 0.23 | 0.28 | 0.16 |
Northwest Africa 13304 | Aubrite | 5.5110 | 2.8680 | 0.002 | -0.3 | -0.21 | -0.05 |
Northwest Africa 4486 | OC3 | 5.5100 | 3.2900 | 0.425 | -0.3 | 0.21 | 0.37 |
Indarch | EH4 | 5.4600 | 2.9600 | 0.121 | -0.35 | -0.12 | 0.07 |
Willaroy | H3.8-an | 5.8700 | 3.4500 | 0.398 | 0.06 | 0.37 | 0.34 |
Northwest Africa 2353 | Achondrite-ung | 5.5100 | 3.3000 | 0.435 | -0.3 | 0.22 | 0.38 |
Northwest Africa 12592 | Lunar (frag. breccia) | 6.1740 | 3.2170 | 0.007 | 0.36 | 0.14 | -0.05 |
Qingzhen | EH3 | 5.5200 | 2.8260 | -0.044 | -0.29 | -0.25 | -0.1 |
Almahata Sitta | Ureilite-an | 6.1700 | 3.2400 | 0.032 | 0.36 | 0.16 | -0.02 |
Allan Hills A81021 | EL6 | 5.4970 | 2.8450 | -0.013 | -0.32 | -0.23 | -0.07 |
Northwest Africa 6424 | Achondrite-ung | 5.4600 | 2.8900 | 0.051 | -0.35 | -0.19 | -0 |
Aubres | Aubrite | 5.4660 | 2.8710 | 0.029 | -0.35 | -0.21 | -0.02 |
Northwest Africa 8124 | LL3 | 5.4700 | 3.2920 | 0.448 | -0.34 | 0.22 | 0.39 |
Pesyanoe | Aubrite | 5.4590 | 2.8740 | 0.035 | -0.36 | -0.2 | -0.02 |
Jiddat al Harasis 805 | L(H)3 | 5.6370 | 3.4480 | 0.517 | -0.18 | 0.37 | 0.46 |
Yilmia | EL6 | 5.4720 | 2.8470 | 0.002 | -0.34 | -0.23 | -0.05 |
Abar al' Uj 012 | Lunar | 5.4600 | 2.8600 | 0.021 | -0.35 | -0.22 | -0.03 |
Mayo Belwa | Aubrite | 5.4800 | 2.8300 | -0.02 | -0.33 | -0.25 | -0.07 |
Galb Inal | Lunar | 6.1980 | 3.2380 | 0.015 | 0.38 | 0.16 | -0.04 |
Kota-Kota | EH3 | 6.2210 | 3.1920 | -0.043 | 0.41 | 0.12 | -0.1 |
Ramlat Fasad 532 | Lunar (gabbro) | 6.2050 | 3.2490 | 0.022 | 0.39 | 0.17 | -0.03 |
Pillistfer | EL6 | 6.2100 | 3.2500 | 0.021 | 0.4 | 0.17 | -0.03 |
LaPaz Icefield 02205 | Lunar (basalt) | 5.6000 | 2.7000 | -0.212 | -0.21 | -0.38 | -0.26 |
Almahata Sitta | Ureilite-an | 6.2200 | 3.2300 | -0.004 | 0.41 | 0.15 | -0.06 |
Northwest Africa 12532 | Brachinite | 5.5730 | 2.7130 | -0.185 | -0.24 | -0.36 | -0.24 |
Northwest Africa 8649 | LL3.05 | 5.7660 | 3.5180 | 0.52 | -0.05 | 0.44 | 0.47 |
Northwest Africa 7034 | Martian (polymict breccia) | 5.7900 | 3.5200 | 0.509 | -0.02 | 0.44 | 0.46 |
Socorro | Martian (shergottite) | 5.3570 | 3.0770 | 0.291 | -0.46 | 0 | 0.24 |
Errachidia 004 | Winonaite | 6.0190 | 2.6660 | -0.464 | 0.2 | -0.41 | -0.52 |
Northwest Africa 6867 | LL3 | 5.5470 | 3.4590 | 0.575 | -0.27 | 0.38 | 0.52 |
Ilafegh 009 | EL7 | 5.3790 | 2.9060 | 0.109 | -0.44 | -0.17 | 0.06 |
Cumberland Falls | Aubrite | 5.4370 | 3.3590 | 0.532 | -0.38 | 0.28 | 0.48 |
Elephant Moraine 92063 | EL6 | 5.4340 | 2.7960 | -0.03 | -0.38 | -0.28 | -0.08 |
Dhofar 1436 | Lunar | 6.2440 | 3.2860 | 0.039 | 0.43 | 0.21 | -0.01 |
Almahata Sitta | Ureilite-an | 6.2600 | 3.2500 | -0.005 | 0.45 | 0.17 | -0.06 |
South Oman | EH4/5 | 5.6330 | 2.6320 | -0.297 | -0.18 | -0.44 | -0.35 |
Watson 012 | H7 | 5.5000 | 3.4400 | 0.58 | -0.31 | 0.36 | 0.53 |
Northwest Africa 11729 | Eucrite-an | 5.5400 | 2.6800 | -0.201 | -0.27 | -0.4 | -0.25 |
Sahara 97096 | EH3 | 5.4450 | 2.7660 | -0.065 | -0.37 | -0.31 | -0.12 |
Northwest Africa 7042 | Martian (shergottite) | 5.3260 | 3.1020 | 0.332 | -0.49 | 0.03 | 0.28 |
Errachidia 004 | Winonaite | 5.8430 | 2.5880 | -0.45 | 0.03 | -0.49 | -0.5 |
MacAlpine Hills 88104 | Lunar (anorth) | 5.5000 | 2.7000 | -0.16 | -0.31 | -0.38 | -0.21 |
Zakłodzie | Enst achon-ung | 5.3500 | 2.9000 | 0.118 | -0.46 | -0.18 | 0.07 |
Northwest Africa 4298 | OC3 | 5.5700 | 3.5100 | 0.614 | -0.24 | 0.43 | 0.56 |
Northwest Africa 11729 | Eucrite-an | 6.3120 | 3.0620 | -0.22 | 0.5 | -0.01 | -0.27 |
Khor Temiki | Aubrite | 5.3600 | 2.8700 | 0.083 | -0.45 | -0.21 | 0.03 |
Adhi Kot | EH4 | 5.4200 | 2.7700 | -0.048 | -0.39 | -0.31 | -0.1 |