![]() |
||
|
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 |
---|---|---|---|---|
5.7400 | 2.9800 | 0.0000 | -0.005 | |
5.7600 | 3.0400 | 0.0448 | 0.045 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 13304 | Aubrite | 5.7420 | 3.0040 | 0.018 | -0.01 | -0.01 | -0 |
Northwest Africa 7809 | EH-melt rock | 5.7560 | 2.9830 | -0.01 | 0.01 | -0.03 | -0.03 |
Northwest Africa 14340 | Lunar (feldsp. breccia) | 5.7920 | 3.0030 | -0.009 | 0.04 | -0.01 | -0.03 |
Shallowater | Aubrite | 5.7910 | 2.9910 | -0.02 | 0.04 | -0.02 | -0.04 |
Bishopville | Aubrite | 5.6960 | 2.9970 | 0.035 | -0.05 | -0.01 | 0.02 |
Ghadduwah 001 | Lunar (anorth) | 5.8100 | 3.0380 | 0.017 | 0.06 | 0.03 | -0 |
Hvittis | EL6 | 5.6800 | 3.0200 | 0.066 | -0.07 | 0.01 | 0.05 |
Northwest Africa 8785 | EL3 | 5.8200 | 2.9960 | -0.03 | 0.07 | -0.01 | -0.05 |
Almahata Sitta | Ureilite-an | 5.8200 | 3.0300 | 0.004 | 0.07 | 0.02 | -0.02 |
Northwest Africa 6572 | Achondrite-ung | 5.7010 | 2.9560 | -0.009 | -0.05 | -0.05 | -0.03 |
Northwest Africa 3136 | Lunar (basalt) | 5.8300 | 3.0600 | 0.028 | 0.08 | 0.05 | 0.01 |
Blithfield | EL6 | 5.6750 | 2.9430 | -0.008 | -0.08 | -0.07 | -0.03 |
Dhofar 1015 | EH4 | 5.7470 | 3.1160 | 0.128 | -0 | 0.11 | 0.11 |
Ghadduwah 001 | Lunar (anorth) | 5.8520 | 3.0420 | -0.001 | 0.1 | 0.03 | -0.02 |
Yamato 981031 | Lunar (anorth) | 5.6400 | 3.0100 | 0.077 | -0.11 | 0 | 0.06 |
Northwest Africa 7493 | Lunar (feldsp. breccia) | 5.6460 | 2.9630 | 0.027 | -0.1 | -0.05 | 0.01 |
Northwest Africa 8061 | H3.10 | 5.6320 | 3.0400 | 0.111 | -0.12 | 0.03 | 0.09 |
St. Mark's | EH5 | 5.7990 | 3.1270 | 0.112 | 0.05 | 0.12 | 0.09 |
Atlanta | EL6 | 5.6300 | 2.9600 | 0.032 | -0.12 | -0.05 | 0.01 |
Northwest Africa 8785 | EL3 | 5.8490 | 2.9220 | -0.119 | 0.1 | -0.09 | -0.14 |
Northwest Africa 8785 | EL3 | 5.7070 | 2.8800 | -0.088 | -0.04 | -0.13 | -0.11 |
Northwest Africa 4642 | Enst achon | 5.6140 | 2.9750 | 0.056 | -0.14 | -0.03 | 0.04 |
Jajh deh Kot Lalu | EL6 | 5.8860 | 3.0510 | -0.01 | 0.14 | 0.04 | -0.03 |
Northwest Africa 12997 | Lunar (troct) | 5.8800 | 3.0745 | 0.017 | 0.13 | 0.06 | -0 |
Northwest Africa 12821 | EL3 | 5.8460 | 3.1190 | 0.079 | 0.1 | 0.11 | 0.06 |
Saint-Sauveur | EH5 | 5.7250 | 3.1540 | 0.177 | -0.03 | 0.14 | 0.16 |
Northwest Africa 12821 | EL3 | 5.8920 | 3.0450 | -0.019 | 0.14 | 0.04 | -0.04 |
Northwest Africa 032 | Lunar (basalt) | 5.6300 | 2.9200 | -0.008 | -0.12 | -0.09 | -0.03 |
Yamato 983885 | Lunar (anorth) | 5.6500 | 2.8900 | -0.048 | -0.1 | -0.12 | -0.07 |
Larned | Aubrite-an | 5.5920 | 2.9940 | 0.086 | -0.16 | -0.02 | 0.07 |
Northwest Africa 8061 | H3.10 | 5.6520 | 3.1390 | 0.2 | -0.1 | 0.13 | 0.18 |
Shallowater | Aubrite | 5.5900 | 2.9700 | 0.063 | -0.16 | -0.04 | 0.04 |
Northwest Africa 13304 | Aubrite | 5.6080 | 2.9240 | 0.008 | -0.14 | -0.09 | -0.01 |
Graves Nunataks 06128 | Achondrite-ung | 5.6300 | 2.8900 | -0.038 | -0.12 | -0.12 | -0.06 |
Bustee | Aubrite | 5.6110 | 2.9070 | -0.011 | -0.14 | -0.1 | -0.03 |
Northwest Africa 3333 | Lunar | 5.5900 | 2.9400 | 0.033 | -0.16 | -0.07 | 0.01 |
Northwest Africa 6572 | Achondrite-ung | 5.6190 | 2.8810 | -0.041 | -0.13 | -0.13 | -0.06 |
Northwest Africa 7388 | Brachinite | 5.6350 | 2.8620 | -0.068 | -0.12 | -0.15 | -0.09 |
Kaidun | CR2 | 5.7500 | 2.8200 | -0.17 | 0 | -0.19 | -0.19 |
North West Forrest (E6) | EL6 | 5.8810 | 3.1490 | 0.091 | 0.13 | 0.14 | 0.07 |
Pillistfer | EL6 | 5.5800 | 2.9200 | 0.018 | -0.17 | -0.09 | -0 |
Atlanta | EL6 | 5.5640 | 3.0620 | 0.169 | -0.19 | 0.05 | 0.15 |
Northwest Africa 13531 | Lunar (feldsp. breccia) | 5.9330 | 3.0830 | -0.002 | 0.18 | 0.07 | -0.02 |
Grein 002 | EL4/5 | 5.5740 | 2.9060 | 0.008 | -0.18 | -0.1 | -0.01 |
Northwest Africa 6065 | Achondrite-ung | 5.5980 | 2.8730 | -0.038 | -0.15 | -0.14 | -0.06 |
Northwest Africa 6172 | Achondrite-ung | 5.5400 | 3.0000 | 0.119 | -0.21 | -0.01 | 0.1 |
Ufana | EL6 | 5.5400 | 3.0000 | 0.119 | -0.21 | -0.01 | 0.1 |
Khairpur | EL6 | 5.5400 | 2.9800 | 0.099 | -0.21 | -0.03 | 0.08 |
Northwest Africa 5885 | Aubrite | 5.5850 | 2.8750 | -0.029 | -0.17 | -0.14 | -0.05 |
Saint-Sauveur | EH5 | 5.9300 | 3.1300 | 0.046 | 0.18 | 0.12 | 0.03 |
Northwest Africa 2828 | EL-melt rock | 5.5600 | 2.9000 | 0.009 | -0.19 | -0.11 | -0.01 |
Mayo Belwa | Aubrite | 5.5470 | 2.9230 | 0.039 | -0.2 | -0.09 | 0.02 |
Northwest Africa 6077 | Achondrite-ung | 5.5360 | 2.9320 | 0.053 | -0.21 | -0.08 | 0.03 |
Northwest Africa 3136 | Lunar (basalt) | 5.9600 | 3.1000 | 0.001 | 0.21 | 0.09 | -0.02 |
Abee | EH4 | 5.5200 | 3.0200 | 0.15 | -0.23 | 0.01 | 0.13 |
Galim (b) | EH3/4-an | 5.5290 | 3.0860 | 0.211 | -0.22 | 0.08 | 0.19 |
Northwest Africa 7611 | Lunar | 5.9310 | 3.1610 | 0.077 | 0.18 | 0.15 | 0.06 |
Lewis Cliff 87119 | EL6 | 5.5260 | 2.9310 | 0.057 | -0.22 | -0.08 | 0.04 |
Khor Temiki | Aubrite | 5.5180 | 2.9010 | 0.032 | -0.23 | -0.11 | 0.01 |
Graves Nunataks 06128 | Achondrite-ung | 6.0100 | 3.0400 | -0.085 | 0.26 | 0.03 | -0.11 |
Graves Nunataks 06128 | Achondrite-ung | 6.0100 | 3.0500 | -0.075 | 0.26 | 0.04 | -0.1 |
Northwest Africa 6065 | Achondrite-ung | 5.5580 | 2.8300 | -0.06 | -0.19 | -0.18 | -0.08 |
Northwest Africa 11071 | EH-melt rock | 5.9960 | 3.1200 | 0.002 | 0.25 | 0.11 | -0.02 |
Northwest Africa 12412 | Martian (shergottite) | 5.5540 | 3.1960 | 0.308 | -0.2 | 0.19 | 0.29 |
Ilafegh 009 | EL7 | 5.5100 | 2.8800 | 0.015 | -0.24 | -0.13 | -0.01 |
Northwest Africa 2828 | EL-melt rock | 5.5000 | 2.8900 | 0.03 | -0.25 | -0.12 | 0.01 |
Northwest Africa 13304 | Aubrite | 5.5110 | 2.8680 | 0.002 | -0.24 | -0.14 | -0.02 |
Hvittis | EL6 | 6.0270 | 3.0820 | -0.052 | 0.28 | 0.07 | -0.07 |
Indarch | EH4 | 5.4600 | 2.9600 | 0.121 | -0.29 | -0.05 | 0.1 |
Qingzhen | EH3 | 5.5200 | 2.8260 | -0.044 | -0.23 | -0.18 | -0.06 |
Northwest Africa 4375 | Winonaite | 5.8800 | 2.7400 | -0.318 | 0.13 | -0.27 | -0.34 |
Allan Hills A81021 | EL6 | 5.4970 | 2.8450 | -0.013 | -0.25 | -0.17 | -0.03 |
Pillistfer | EL6 | 6.0390 | 3.0990 | -0.041 | 0.29 | 0.09 | -0.06 |
Catalina 400 | EH5 | 6.0520 | 2.9820 | -0.165 | 0.3 | -0.03 | -0.19 |
Northwest Africa 11962 | Lunar | 6.0300 | 3.1400 | 0.004 | 0.28 | 0.13 | -0.02 |
Northwest Africa 12542 | Martian (nakhlite) | 5.4630 | 3.1330 | 0.292 | -0.29 | 0.12 | 0.27 |
Northwest Africa 6424 | Achondrite-ung | 5.4600 | 2.8900 | 0.051 | -0.29 | -0.12 | 0.03 |
Sayh al Uhaymir 188 | EL4 | 5.9900 | 3.2130 | 0.098 | 0.24 | 0.2 | 0.08 |
Aubres | Aubrite | 5.4660 | 2.8710 | 0.029 | -0.28 | -0.14 | 0.01 |
Pesyanoe | Aubrite | 5.4590 | 2.8740 | 0.035 | -0.29 | -0.14 | 0.02 |
Yilmia | EL6 | 5.4720 | 2.8470 | 0.002 | -0.28 | -0.16 | -0.02 |
Mount DeWitt 12007 | Lunar | 6.0500 | 3.1300 | -0.016 | 0.3 | 0.12 | -0.04 |
Mayo Belwa | Aubrite | 5.4800 | 2.8300 | -0.02 | -0.27 | -0.18 | -0.04 |
Abar al' Uj 012 | Lunar | 5.4600 | 2.8600 | 0.021 | -0.29 | -0.15 | 0 |
Northwest Africa 8785 | EL3 | 6.0420 | 3.1800 | 0.038 | 0.29 | 0.17 | 0.02 |
Northwest Africa 12821 | EL3 | 6.0230 | 3.2120 | 0.08 | 0.27 | 0.2 | 0.06 |
LaPaz Icefield 02205 | Lunar (basalt) | 5.6000 | 2.7000 | -0.212 | -0.15 | -0.31 | -0.23 |
Northwest Africa 12532 | Brachinite | 5.5730 | 2.7130 | -0.185 | -0.18 | -0.3 | -0.2 |
Northwest Africa 13411 | OC5-an | 5.5200 | 3.2770 | 0.407 | -0.23 | 0.27 | 0.39 |
Almahata Sitta | Ureilite-an | 6.0500 | 3.2100 | 0.064 | 0.3 | 0.2 | 0.04 |
Qingzhen | EH3 | 6.0800 | 3.1600 | -0.002 | 0.33 | 0.15 | -0.02 |
Northwest Africa 4486 | OC3 | 5.5100 | 3.2900 | 0.425 | -0.24 | 0.28 | 0.4 |
Northwest Africa 12821 | EL3 | 6.0910 | 3.1680 | 0.001 | 0.34 | 0.16 | -0.02 |
Khairpur | EL6 | 6.0890 | 3.1730 | 0.007 | 0.34 | 0.16 | -0.01 |
Northwest Africa 2353 | Achondrite-ung | 5.5100 | 3.3000 | 0.435 | -0.24 | 0.29 | 0.41 |
Northwest Africa 12821 | EL3 | 6.0680 | 3.2160 | 0.061 | 0.32 | 0.21 | 0.04 |
Elephant Moraine 92063 | EL6 | 5.4340 | 2.7960 | -0.03 | -0.32 | -0.21 | -0.05 |
Ilafegh 009 | EL7 | 5.3790 | 2.9060 | 0.109 | -0.37 | -0.1 | 0.09 |
Sahara 97096 | EH3 | 5.4450 | 2.7660 | -0.065 | -0.31 | -0.24 | -0.09 |
Northwest Africa 11729 | Eucrite-an | 5.5400 | 2.6800 | -0.201 | -0.21 | -0.33 | -0.22 |
South Oman | EH4/5 | 5.6330 | 2.6320 | -0.297 | -0.12 | -0.38 | -0.32 |
Northwest Africa 8124 | LL3 | 5.4700 | 3.2920 | 0.448 | -0.28 | 0.28 | 0.43 |
MacAlpine Hills 88104 | Lunar (anorth) | 5.5000 | 2.7000 | -0.16 | -0.25 | -0.31 | -0.18 |
Socorro | Martian (shergottite) | 5.3570 | 3.0770 | 0.291 | -0.39 | 0.07 | 0.27 |
Indarch | EH4 | 6.0560 | 3.2750 | 0.126 | 0.31 | 0.27 | 0.11 |
Northwest Africa 12593 | Lunar (frag. breccia) | 6.1060 | 3.2030 | 0.028 | 0.36 | 0.19 | 0.01 |
Adhi Kot | EH4 | 5.4200 | 2.7700 | -0.048 | -0.33 | -0.24 | -0.07 |
Northwest Africa 12821 | EL3 | 6.0810 | 3.2540 | 0.092 | 0.33 | 0.24 | 0.07 |
Dhofar 1441 | Achondrite-ung | 5.5080 | 2.6750 | -0.189 | -0.24 | -0.34 | -0.21 |
Khor Temiki | Aubrite | 5.3600 | 2.8700 | 0.083 | -0.39 | -0.14 | 0.06 |
Norton County | Aubrite | 5.3780 | 2.8270 | 0.03 | -0.37 | -0.18 | 0.01 |
Zakłodzie | Enst achon-ung | 5.3500 | 2.9000 | 0.118 | -0.4 | -0.11 | 0.1 |
Abee | EH4 | 6.0800 | 3.2700 | 0.108 | 0.33 | 0.26 | 0.09 |
Silistra | Achondrite-ung | 5.5500 | 2.6400 | -0.246 | -0.2 | -0.37 | -0.27 |
Elephant Moraine 87521 | Lunar (basalt) | 5.3900 | 2.7900 | -0.013 | -0.36 | -0.22 | -0.03 |
Pesyanoe | Aubrite | 5.3700 | 2.8200 | 0.028 | -0.38 | -0.19 | 0.01 |
Allan Hills A78113 | Aubrite | 5.3500 | 2.8600 | 0.078 | -0.4 | -0.15 | 0.06 |
Aridal 010 | Brachinite | 6.1700 | 3.1000 | -0.108 | 0.42 | 0.09 | -0.13 |
Errachidia 004 | Winonaite | 5.8430 | 2.5880 | -0.45 | 0.09 | -0.42 | -0.47 |
Adhi Kot | EH4 | 5.4100 | 2.7430 | -0.07 | -0.34 | -0.27 | -0.09 |
Northwest Africa 7042 | Martian (shergottite) | 5.3260 | 3.1020 | 0.332 | -0.42 | 0.09 | 0.31 |
Errachidia 004 | Winonaite | 6.0190 | 2.6660 | -0.464 | 0.27 | -0.34 | -0.48 |
Ghadduwah 001 | Lunar (anorth) | 6.1520 | 3.1980 | -0.001 | 0.4 | 0.19 | -0.02 |
Northwest Africa 5885 | Aubrite | 5.3350 | 2.8490 | 0.075 | -0.42 | -0.16 | 0.05 |
Northwest Africa 4518 | Achondrite-ung | 5.4700 | 2.6600 | -0.184 | -0.28 | -0.35 | -0.2 |
Bustee | Aubrite | 5.3490 | 2.8090 | 0.028 | -0.4 | -0.2 | 0.01 |
Cumberland Falls | Aubrite | 5.3900 | 2.7400 | -0.063 | -0.36 | -0.27 | -0.08 |
Jiddat al Harasis 805 | L(H)3 | 5.6370 | 3.4480 | 0.517 | -0.11 | 0.44 | 0.5 |
Errachidia 004 | Winonaite | 5.8810 | 2.5770 | -0.481 | 0.13 | -0.43 | -0.5 |
Northwest Africa 7388 | Brachinite | 5.4130 | 2.7050 | -0.11 | -0.34 | -0.31 | -0.13 |
Northwest Africa 7904 | Brachinite | 5.3480 | 2.7970 | 0.016 | -0.4 | -0.21 | -0 |
Willaroy | H3.8-an | 5.8700 | 3.4500 | 0.398 | 0.12 | 0.44 | 0.38 |
Northwest Africa 4864 | Martian (shergottite) | 5.3000 | 3.1000 | 0.344 | -0.45 | 0.09 | 0.32 |
Cumberland Falls | Aubrite | 5.3000 | 3.1000 | 0.344 | -0.45 | 0.09 | 0.32 |
Northwest Africa 12821 | EL3 | 6.0490 | 3.3590 | 0.214 | 0.3 | 0.35 | 0.19 |
Parsa | EH3 | 5.3300 | 2.8200 | 0.048 | -0.42 | -0.19 | 0.03 |
Northwest Africa 6172 | Achondrite-ung | 5.3500 | 2.7800 | -0.002 | -0.4 | -0.23 | -0.02 |
Cumberland Falls | Aubrite | 5.4370 | 3.3590 | 0.532 | -0.31 | 0.35 | 0.51 |
Dar al Gani 1037 | Martian (shergottite) | 5.2900 | 2.9100 | 0.159 | -0.46 | -0.1 | 0.14 |
Northwest Africa 12592 | Lunar (frag. breccia) | 6.1740 | 3.2170 | 0.007 | 0.42 | 0.21 | -0.01 |
Shallowater | Aubrite | 5.3400 | 2.7700 | -0.007 | -0.41 | -0.24 | -0.03 |
Almahata Sitta | Ureilite-an | 6.1700 | 3.2400 | 0.032 | 0.42 | 0.23 | 0.01 |
Peña Blanca Spring | Aubrite | 5.3300 | 2.7800 | 0.008 | -0.42 | -0.23 | -0.01 |
Northwest Africa 4294 | OC3 | 5.3100 | 3.2300 | 0.469 | -0.44 | 0.22 | 0.45 |
Northwest Africa 6867 | LL3 | 5.5470 | 3.4590 | 0.575 | -0.2 | 0.45 | 0.55 |
Northwest Africa 7135 | Chondrite-ung | 5.3260 | 3.2620 | 0.492 | -0.42 | 0.25 | 0.47 |
Ramlat Fasad 057 | Martian (shergottite) | 5.2570 | 3.0310 | 0.297 | -0.49 | 0.02 | 0.28 |
Mount Egerton | Aubrite-an | 5.3060 | 2.7920 | 0.033 | -0.44 | -0.22 | 0.01 |
Northwest Africa 4294 | OC3 | 5.3800 | 3.3400 | 0.542 | -0.37 | 0.33 | 0.52 |
Aubres | Aubrite | 5.2920 | 2.8190 | 0.067 | -0.46 | -0.19 | 0.05 |
Watson 012 | H7 | 5.5000 | 3.4400 | 0.58 | -0.25 | 0.43 | 0.56 |
Peña Blanca Spring | Aubrite | 5.3200 | 2.7600 | -0.006 | -0.43 | -0.25 | -0.03 |
Blithfield | EL6 | 5.2900 | 2.8200 | 0.069 | -0.46 | -0.19 | 0.05 |