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Oxygen isotope composition of HEDs and angrites. Data for angrites and HEDs from Greenwood et al. (2005). EFL: eucrite fractionation line (Greenwood et al., 2005), AFL: angrite fractionation line (Greenwood et al., 2005), TFL: terrestrial fractionation line. B: Bholghati matrix, P: Pasamonte. Δ17O is linearized using the format of Miller (2002): Δ17O = 1000 ln (1+ (δ17O/1000)) – λ1000 ln (1+ ( δ18O/1000)) where λ = 0.5247. |
δ18O | δ17O | Δ17O: given | Δ17O: Miller (2002) | Comment |
---|---|---|---|---|
4.3760 | 2.0830 | -0.2270 | -0.212 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 4636 | Mesosiderite | 4.3800 | 2.0900 | -0.208 | 0 | 0.01 | 0 |
Ramlat as Sahmah 309 | Brachinite | 4.3700 | 2.0900 | -0.202 | -0.01 | 0.01 | 0.01 |
Northwest Africa 7025 | Mesosiderite | 4.3870 | 2.0820 | -0.219 | 0.01 | -0 | -0.01 |
Northwest Africa 4395 | Diogenite | 4.3900 | 2.0900 | -0.213 | 0.01 | 0.01 | -0 |
Northwest Africa 4882 | Brachinite | 4.3680 | 2.0640 | -0.227 | -0.01 | -0.02 | -0.01 |
Northwest Africa 4882 | Brachinite | 4.3680 | 2.0640 | -0.227 | -0.01 | -0.02 | -0.01 |
Northwest Africa 4872 | Brachinite | 4.3540 | 2.0610 | -0.223 | -0.02 | -0.02 | -0.01 |
Northwest Africa 4872 | Brachinite | 4.3540 | 2.0610 | -0.223 | -0.02 | -0.02 | -0.01 |
Los Vientos 263 | Pallasite, ungrouped | 4.3400 | 2.0900 | -0.187 | -0.04 | 0.01 | 0.03 |
Allan Hills 12073 | Eucrite | 4.4000 | 2.0400 | -0.268 | 0.02 | -0.04 | -0.06 |
Northwest Africa 14717 | Eucrite-unbr | 4.4180 | 2.0530 | -0.264 | 0.04 | -0.03 | -0.05 |
Northwest Africa 4882 | Brachinite | 4.4550 | 2.0950 | -0.242 | 0.08 | 0.01 | -0.03 |
Northwest Africa 4882 | Brachinite | 4.4550 | 2.0950 | -0.242 | 0.08 | 0.01 | -0.03 |
Northwest Africa 4872 | Brachinite | 4.3080 | 2.0120 | -0.248 | -0.07 | -0.07 | -0.04 |
Northwest Africa 4872 | Brachinite | 4.3080 | 2.0120 | -0.248 | -0.07 | -0.07 | -0.04 |
Northwest Africa 12397 | Mesosiderite | 4.3230 | 1.9920 | -0.276 | -0.05 | -0.09 | -0.06 |
El Médano 395 | Brachinite | 4.2900 | 2.0200 | -0.23 | -0.09 | -0.06 | -0.02 |
Northwest Africa 12004 | Angrite | 4.2840 | 2.1970 | -0.051 | -0.09 | 0.11 | 0.16 |
Pecora Escarpment 91461 | EH3 | 4.5270 | 2.0570 | -0.317 | 0.15 | -0.03 | -0.1 |
Northwest Africa 4418 | Mesosiderite | 4.5240 | 2.1450 | -0.228 | 0.15 | 0.06 | -0.02 |
Northwest Africa 6474 | Brachinite | 4.2340 | 2.1810 | -0.04 | -0.14 | 0.1 | 0.17 |
Jiddat al Harasis 395 | Diogenite | 4.2300 | 1.9900 | -0.229 | -0.15 | -0.09 | -0.02 |
Northwest Africa 3213 | Mesosiderite | 4.5500 | 2.1300 | -0.257 | 0.17 | 0.05 | -0.04 |
Allan Hills 84206 | EH3 | 4.4230 | 2.2630 | -0.057 | 0.05 | 0.18 | 0.16 |
Northwest Africa 12004 | Angrite | 4.4400 | 2.2580 | -0.071 | 0.06 | 0.18 | 0.14 |
Northwest Africa 12320 | Angrite | 4.4160 | 2.2680 | -0.049 | 0.04 | 0.19 | 0.16 |
Northwest Africa 12320 | Angrite | 4.4070 | 2.2810 | -0.031 | 0.03 | 0.2 | 0.18 |
Northwest Africa 14717 | Eucrite-unbr | 4.5710 | 2.1460 | -0.252 | 0.19 | 0.06 | -0.04 |
Northwest Africa 5363 | Achondrite-ung | 4.1830 | 2.1520 | -0.043 | -0.19 | 0.07 | 0.17 |
Thiel Mountains 07009 | EL6 | 4.2100 | 2.2100 | 0.001 | -0.17 | 0.13 | 0.21 |
Northwest Africa 12004 | Angrite | 4.4310 | 2.2850 | -0.04 | 0.05 | 0.2 | 0.17 |
Northwest Africa 2904 | Eucrite-pmict | 4.5800 | 2.1600 | -0.242 | 0.2 | 0.08 | -0.03 |
Northwest Africa 2999 | Angrite | 4.1540 | 2.0950 | -0.084 | -0.22 | 0.01 | 0.13 |
El Médano 395 | Brachinite | 4.5820 | 2.1700 | -0.233 | 0.21 | 0.09 | -0.02 |
Northwest Africa 6690 | Diogenite | 4.1900 | 1.9400 | -0.258 | -0.19 | -0.14 | -0.05 |
Northwest Africa 10424 | Eucrite-cm | 4.1800 | 1.9500 | -0.243 | -0.2 | -0.13 | -0.03 |
Northwest Africa 12338 | Achondrite-ung | 4.1600 | 1.9800 | -0.202 | -0.22 | -0.1 | 0.01 |
Acfer 287 | E4 | 4.1610 | 1.9760 | -0.207 | -0.22 | -0.11 | 0.01 |
Northwest Africa 15317 | Angrite | 4.5290 | 2.2830 | -0.093 | 0.15 | 0.2 | 0.12 |
Northwest Africa 7025 | Mesosiderite | 4.1490 | 1.9610 | -0.215 | -0.23 | -0.12 | -0 |
Northwest Africa 11917 | Winonaite | 4.5410 | 1.8760 | -0.505 | 0.17 | -0.21 | -0.29 |
Northwest Africa 2999 | Angrite | 4.0930 | 2.0540 | -0.093 | -0.28 | -0.03 | 0.12 |
Northwest Africa 13355 | Eucrite-an | 4.1570 | 1.8950 | -0.286 | -0.22 | -0.19 | -0.07 |
Northwest Africa 11264 | Eucrite | 4.1300 | 1.9300 | -0.236 | -0.25 | -0.15 | -0.02 |
Northwest Africa 5400 | Achondrite-ung | 4.4860 | 2.3670 | 0.013 | 0.11 | 0.28 | 0.23 |
Northwest Africa 12320 | Angrite | 4.5450 | 2.3390 | -0.045 | 0.17 | 0.26 | 0.17 |
Northwest Africa 13921 | Achondrite-ung | 4.0920 | 1.9630 | -0.184 | -0.28 | -0.12 | 0.03 |
Elephant Moraine 90757 | Aubrite | 4.5910 | 2.3050 | -0.103 | 0.22 | 0.22 | 0.11 |
Northwest Africa 12540 | Eucrite-an | 4.1200 | 1.9090 | -0.252 | -0.26 | -0.17 | -0.04 |
Northwest Africa 7812 | Angrite | 4.0680 | 2.0510 | -0.083 | -0.31 | -0.03 | 0.13 |
Northwest Africa 6152 | Brachinite | 4.6500 | 2.2300 | -0.209 | 0.27 | 0.15 | 0 |
Northwest Africa 6152 | Brachinite | 4.6500 | 2.2400 | -0.199 | 0.27 | 0.16 | 0.01 |
Northwest Africa 4937 | Winonaite | 4.3700 | 1.7630 | -0.529 | -0.01 | -0.32 | -0.32 |
Cumberland Falls | Aubrite | 4.5400 | 2.3600 | -0.022 | 0.16 | 0.28 | 0.19 |
Northwest Africa 10497 | Brachinite | 4.6700 | 2.2200 | -0.229 | 0.29 | 0.14 | -0.02 |
Northwest Africa 13457 | Eucrite | 4.1250 | 1.8750 | -0.289 | -0.25 | -0.21 | -0.08 |
Jiddat al Harasis 845 | Mesosiderite-C2 | 4.0770 | 1.9380 | -0.201 | -0.3 | -0.15 | 0.01 |
Northwest Africa 739 | CH3 | 4.3200 | 1.7500 | -0.516 | -0.06 | -0.33 | -0.3 |
Ramlat as Sahmah 511 | Eucrite | 4.0800 | 1.9200 | -0.22 | -0.3 | -0.16 | -0.01 |
Northwest Africa 13355 | Eucrite-an | 4.1050 | 1.8710 | -0.282 | -0.27 | -0.21 | -0.07 |
Parsa | EH3 | 4.5500 | 2.3800 | -0.007 | 0.17 | 0.3 | 0.21 |
Northwest Africa 10423 | Eucrite-cm | 4.6900 | 2.2300 | -0.23 | 0.31 | 0.15 | -0.02 |
Northwest Africa 12543 | Winonaite | 4.6620 | 1.8800 | -0.565 | 0.29 | -0.2 | -0.35 |
Northwest Africa 8059 | LL3.05 | 4.7020 | 2.2280 | -0.238 | 0.33 | 0.15 | -0.03 |
Jiddat al Harasis 845 | Mesosiderite-C2 | 4.0450 | 1.9290 | -0.193 | -0.33 | -0.15 | 0.02 |
Hutchison Icefield 18034 | Aubrite | 4.5310 | 2.4140 | 0.037 | 0.15 | 0.33 | 0.25 |
Northwest Africa 2904 | Eucrite-pmict | 4.7400 | 2.1300 | -0.356 | 0.36 | 0.05 | -0.14 |
Northwest Africa 2177 | Eucrite | 4.0600 | 1.8900 | -0.24 | -0.32 | -0.19 | -0.03 |
Northwest Africa 12951 | Winonaite | 4.7300 | 1.9690 | -0.511 | 0.35 | -0.11 | -0.3 |
Tindouf 005 | Eucrite-pmict | 4.0500 | 1.8900 | -0.235 | -0.33 | -0.19 | -0.02 |
Northwest Africa 6292 | Achondrite-ung | 4.5500 | 2.4200 | 0.033 | 0.17 | 0.34 | 0.25 |
Northwest Africa 13735 | Winonaite | 4.7420 | 1.9740 | -0.513 | 0.37 | -0.11 | -0.3 |
Acfer 366 | CH3 | 4.6100 | 1.7810 | -0.636 | 0.23 | -0.3 | -0.42 |
Northwest Africa 7812 | Angrite | 4.0030 | 2.0000 | -0.1 | -0.37 | -0.08 | 0.11 |
Northwest Africa 4908 | Eucrite | 4.0250 | 1.9310 | -0.181 | -0.35 | -0.15 | 0.03 |
Northwest Africa 4937 | Winonaite | 4.2060 | 1.7380 | -0.468 | -0.17 | -0.35 | -0.26 |
Northwest Africa 8173 | Enst achon | 4.6000 | 2.4000 | -0.013 | 0.22 | 0.32 | 0.2 |
Northwest Africa 5990 | Martian (shergottite) | 4.1500 | 2.4100 | 0.232 | -0.23 | 0.33 | 0.44 |
Northwest Africa 7835 | Achondrite-ung | 4.0440 | 2.3090 | 0.187 | -0.33 | 0.23 | 0.4 |
Northwest Africa 13921 | Achondrite-ung | 4.0120 | 1.9000 | -0.205 | -0.36 | -0.18 | 0.01 |
Northwest Africa 10603 | Eucrite-melt breccia | 4.0300 | 1.8650 | -0.249 | -0.35 | -0.22 | -0.04 |
Jiddat al Harasis 556 | Howardite | 4.0200 | 1.8800 | -0.229 | -0.36 | -0.2 | -0.02 |
Queen Alexandra Range 94594 | EL3 | 4.5640 | 2.4570 | 0.062 | 0.19 | 0.37 | 0.27 |
Al Huwaysah 010 | Achondrite-ung | 4.7300 | 2.3100 | -0.171 | 0.35 | 0.23 | 0.04 |
Northwest Africa 5990 | Martian (shergottite) | 4.2100 | 2.4700 | 0.261 | -0.17 | 0.39 | 0.47 |
Northwest Africa 10416 | Martian | 4.3100 | 2.5000 | 0.238 | -0.07 | 0.42 | 0.45 |
Northwest Africa 10639 | Eucrite-mmict | 4.0100 | 1.8700 | -0.234 | -0.37 | -0.21 | -0.02 |
Northwest Africa 7904 | Brachinite | 4.7810 | 2.2100 | -0.297 | 0.4 | 0.13 | -0.09 |
Northwest Africa 5718 | Martian (shergottite) | 4.2900 | 2.5000 | 0.249 | -0.09 | 0.42 | 0.46 |
Northwest Africa 8686 | Martian (shergottite) | 4.4170 | 2.5110 | 0.193 | 0.04 | 0.43 | 0.41 |
Northwest Africa 8159 | Martian (augite basalt) | 4.0890 | 2.4060 | 0.26 | -0.29 | 0.32 | 0.47 |
Sayh al Uhaymir 094 | Martian (shergottite) | 4.2900 | 2.5100 | 0.259 | -0.09 | 0.43 | 0.47 |
Yamato 000097 | Martian (shergottite) | 4.1780 | 2.4710 | 0.278 | -0.2 | 0.39 | 0.49 |
Yamato 000027 | Martian (shergottite) | 4.1290 | 2.4460 | 0.279 | -0.25 | 0.36 | 0.49 |
Northwest Africa 7035 | Eucrite-mmict | 3.9930 | 1.8670 | -0.228 | -0.38 | -0.22 | -0.02 |
Northwest Africa 4051 | Eucrite | 3.9940 | 1.8610 | -0.234 | -0.38 | -0.22 | -0.02 |
Yamato 980459 | Martian (shergottite) | 4.3100 | 2.5200 | 0.258 | -0.07 | 0.44 | 0.47 |
Yamato 980459 | Martian (shergottite) | 4.3100 | 2.5200 | 0.258 | -0.07 | 0.44 | 0.47 |
Northwest Africa 12689 | Eucrite-br | 3.9970 | 1.8550 | -0.242 | -0.38 | -0.23 | -0.03 |
Dar al Gani 1060 | Eucrite | 4.0000 | 1.8500 | -0.248 | -0.38 | -0.23 | -0.04 |
Yamato 000047 | Martian (shergottite) | 4.1780 | 2.4810 | 0.288 | -0.2 | 0.4 | 0.5 |
Dhofar 378 | Martian (shergottite) | 4.4600 | 2.5200 | 0.18 | 0.08 | 0.44 | 0.39 |
Northwest Africa 6963 | Martian (shergottite) | 4.3320 | 2.5280 | 0.255 | -0.04 | 0.45 | 0.47 |
Pecora Escarpment 01021 | Eucrite-mmict | 3.9810 | 1.8730 | -0.215 | -0.4 | -0.21 | -0 |
Northwest Africa 15317 | Angrite | 4.7340 | 2.3530 | -0.13 | 0.36 | 0.27 | 0.08 |
Northwest Africa 7025 | Mesosiderite | 3.9920 | 1.8470 | -0.247 | -0.38 | -0.24 | -0.03 |
Northwest Africa 8694 | Martian (Chassignite) | 4.1800 | 2.4900 | 0.296 | -0.2 | 0.41 | 0.51 |
Ramlat Fasad 533 | Martian (Shergottite) | 4.2430 | 2.5200 | 0.293 | -0.13 | 0.44 | 0.51 |
Northwest Africa 7635 | Martian (shergottite) | 4.2170 | 2.5130 | 0.3 | -0.16 | 0.43 | 0.51 |
Northwest Africa 8656 | Martian (shergottite) | 4.2760 | 2.5340 | 0.29 | -0.1 | 0.45 | 0.5 |
Northwest Africa 6342 | Martian (shergottite) | 4.0800 | 2.4400 | 0.299 | -0.3 | 0.36 | 0.51 |
Zag (b) | Winonaite | 4.8400 | 2.0600 | -0.478 | 0.46 | -0.02 | -0.27 |
Northwest Africa 7635 | Martian (shergottite) | 4.2200 | 2.5210 | 0.306 | -0.16 | 0.44 | 0.52 |
Qingzhen | EH3 | 4.7000 | 2.4200 | -0.046 | 0.32 | 0.34 | 0.17 |
Northwest Africa 7635 | Martian (shergottite) | 4.2410 | 2.5360 | 0.31 | -0.14 | 0.45 | 0.52 |
Northwest Africa 8535 | Angrite | 3.9250 | 1.9340 | -0.125 | -0.45 | -0.15 | 0.09 |
Dhofar 1480 | Eucrite-pmict | 3.9630 | 1.8480 | -0.231 | -0.41 | -0.24 | -0.02 |
Northwest Africa 2737 | Martian (chassignite) | 4.0200 | 2.4000 | 0.29 | -0.36 | 0.32 | 0.5 |
Northwest Africa 6484 | Lodranite | 4.5420 | 1.6350 | -0.746 | 0.17 | -0.45 | -0.53 |
Northwest Africa 8123 | H(L)3.1 | 3.9420 | 2.2890 | 0.22 | -0.43 | 0.21 | 0.43 |
Northwest Africa 10319 | Eucrite-cm | 3.9600 | 1.8400 | -0.237 | -0.42 | -0.24 | -0.02 |
Northwest Africa 6162 | Martian (shergottite) | 3.9800 | 2.3600 | 0.271 | -0.4 | 0.28 | 0.48 |
Northwest Africa 8159 | Martian (augite basalt) | 4.1970 | 2.5320 | 0.329 | -0.18 | 0.45 | 0.54 |
Northwest Africa 13432 | Winonaite | 4.8550 | 2.0160 | -0.53 | 0.48 | -0.07 | -0.32 |
Northwest Africa 14988 | Winonaite | 4.8560 | 2.0210 | -0.525 | 0.48 | -0.06 | -0.31 |
Northwest Africa 12522 | Martian (shergottite) | 4.4260 | 2.5670 | 0.244 | 0.05 | 0.48 | 0.46 |
Northwest Africa 10416 | Martian | 4.3920 | 2.5730 | 0.268 | 0.02 | 0.49 | 0.48 |
Northwest Africa 8649 | LL3.05 | 4.2030 | 2.5430 | 0.337 | -0.17 | 0.46 | 0.55 |
Northwest Africa 10593 | Martian (shergottite) | 4.3730 | 2.5760 | 0.281 | -0 | 0.49 | 0.49 |
El Hassan Ould Hamed 001 | Eucrite-unbr | 3.9630 | 1.8120 | -0.267 | -0.41 | -0.27 | -0.05 |
Jiddat al Harasis 404 | Eucrite | 3.9400 | 1.8500 | -0.217 | -0.44 | -0.23 | -0 |
Northwest Africa 7032 | Martian (shergottite) | 4.4230 | 2.5770 | 0.256 | 0.05 | 0.49 | 0.47 |
Northwest Africa 6023 | Brachinite-an | 4.8380 | 2.2690 | -0.268 | 0.46 | 0.19 | -0.06 |
Northwest Africa 8656 | Martian (shergottite) | 4.0750 | 2.4800 | 0.341 | -0.3 | 0.4 | 0.55 |