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Oxygen isotope composition of CR and CH chondrites. Data for CH chondrites from Clayton and Mayeda (1999), CR chondrites from Clayton and Mayeda (1999) and Schrader et al. (2011). TFL: terrestrial fractionation line, Y&R: slope 1 line (Young and Russell, 1998), CCAM: carbonaceous chondrite anhydrous mineral line (Clayton et al., 1977; Clayton and Mayeda, 1999). |
δ18O | δ17O | Δ17O: given | Δ17O: linear | Comment |
---|---|---|---|---|
4.3200 | 1.7500 | Not given | -0.496 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Northwest Africa 4937 | Winonaite | 4.3700 | 1.7630 | -0.509 | 0.05 | 0.01 | -0.01 |
Northwest Africa 4937 | Winonaite | 4.2060 | 1.7380 | -0.449 | -0.11 | -0.01 | 0.05 |
Northwest Africa 13355 | Eucrite-an | 4.1570 | 1.8950 | -0.267 | -0.16 | 0.15 | 0.23 |
Northwest Africa 6690 | Diogenite | 4.1900 | 1.9400 | -0.239 | -0.13 | 0.19 | 0.26 |
Northwest Africa 13457 | Eucrite | 4.1250 | 1.8750 | -0.27 | -0.2 | 0.13 | 0.23 |
Northwest Africa 12397 | Mesosiderite | 4.3230 | 1.9920 | -0.256 | 0 | 0.24 | 0.24 |
Northwest Africa 10424 | Eucrite-cm | 4.1800 | 1.9500 | -0.224 | -0.14 | 0.2 | 0.27 |
Northwest Africa 13355 | Eucrite-an | 4.1050 | 1.8710 | -0.264 | -0.22 | 0.12 | 0.23 |
Northwest Africa 6484 | Lodranite | 4.5420 | 1.6350 | -0.727 | 0.22 | -0.12 | -0.23 |
Northwest Africa 11917 | Winonaite | 4.5410 | 1.8760 | -0.485 | 0.22 | 0.13 | 0.01 |
Northwest Africa 12540 | Eucrite-an | 4.1200 | 1.9090 | -0.233 | -0.2 | 0.16 | 0.26 |
Jiddat al Harasis 395 | Diogenite | 4.2300 | 1.9900 | -0.21 | -0.09 | 0.24 | 0.29 |
Northwest Africa 11264 | Eucrite | 4.1300 | 1.9300 | -0.218 | -0.19 | 0.18 | 0.28 |
Northwest Africa 4872 | Brachinite | 4.3080 | 2.0120 | -0.228 | -0.01 | 0.26 | 0.27 |
Northwest Africa 4872 | Brachinite | 4.3080 | 2.0120 | -0.228 | -0.01 | 0.26 | 0.27 |
Northwest Africa 2627 | Acapulcoite | 4.5100 | 1.5600 | -0.785 | 0.19 | -0.19 | -0.29 |
Northwest Africa 7025 | Mesosiderite | 4.1490 | 1.9610 | -0.196 | -0.17 | 0.21 | 0.3 |
El Médano 395 | Brachinite | 4.2900 | 2.0200 | -0.211 | -0.03 | 0.27 | 0.29 |
Acfer 287 | E4 | 4.1610 | 1.9760 | -0.188 | -0.16 | 0.23 | 0.31 |
Northwest Africa 12338 | Achondrite-ung | 4.1600 | 1.9800 | -0.183 | -0.16 | 0.23 | 0.31 |
Acfer 366 | CH3 | 4.6100 | 1.7810 | -0.616 | 0.29 | 0.03 | -0.12 |
Northwest Africa 1500 | Achondrite-ung | 4.5600 | 1.5800 | -0.791 | 0.24 | -0.17 | -0.29 |
Ramlat as Sahmah 511 | Eucrite | 4.0800 | 1.9200 | -0.202 | -0.24 | 0.17 | 0.29 |
Northwest Africa 2177 | Eucrite | 4.0600 | 1.8900 | -0.221 | -0.26 | 0.14 | 0.28 |
Allan Hills 12073 | Eucrite | 4.4000 | 2.0400 | -0.248 | 0.08 | 0.29 | 0.25 |
Tindouf 005 | Eucrite-pmict | 4.0500 | 1.8900 | -0.216 | -0.27 | 0.14 | 0.28 |
Jiddat al Harasis 845 | Mesosiderite-C2 | 4.0770 | 1.9380 | -0.182 | -0.24 | 0.19 | 0.31 |
Northwest Africa 10603 | Eucrite-melt breccia | 4.0300 | 1.8650 | -0.231 | -0.29 | 0.12 | 0.27 |
Northwest Africa 13921 | Achondrite-ung | 4.0920 | 1.9630 | -0.165 | -0.23 | 0.21 | 0.33 |
Northwest Africa 4872 | Brachinite | 4.3540 | 2.0610 | -0.203 | 0.03 | 0.31 | 0.29 |
Northwest Africa 4872 | Brachinite | 4.3540 | 2.0610 | -0.203 | 0.03 | 0.31 | 0.29 |
Northwest Africa 4882 | Brachinite | 4.3680 | 2.0640 | -0.207 | 0.05 | 0.31 | 0.29 |
Northwest Africa 4882 | Brachinite | 4.3680 | 2.0640 | -0.207 | 0.05 | 0.31 | 0.29 |
Northwest Africa 14717 | Eucrite-unbr | 4.4180 | 2.0530 | -0.244 | 0.1 | 0.3 | 0.25 |
Jiddat al Harasis 556 | Howardite | 4.0200 | 1.8800 | -0.21 | -0.3 | 0.13 | 0.29 |
Jiddat al Harasis 845 | Mesosiderite-C2 | 4.0450 | 1.9290 | -0.174 | -0.28 | 0.18 | 0.32 |
Northwest Africa 10639 | Eucrite-mmict | 4.0100 | 1.8700 | -0.215 | -0.31 | 0.12 | 0.28 |
Dar al Gani 1060 | Eucrite | 4.0000 | 1.8500 | -0.23 | -0.32 | 0.1 | 0.27 |
Northwest Africa 8659 | Eucrite | 4.3760 | 2.0830 | -0.193 | 0.06 | 0.33 | 0.3 |
Northwest Africa 2627 | Acapulcoite | 4.5100 | 1.4700 | -0.875 | 0.19 | -0.28 | -0.38 |
Northwest Africa 7025 | Mesosiderite | 4.3870 | 2.0820 | -0.199 | 0.07 | 0.33 | 0.3 |
Northwest Africa 12689 | Eucrite-br | 3.9970 | 1.8550 | -0.223 | -0.32 | 0.11 | 0.27 |
El Médano 096 | Acapulcoite | 4.3000 | 1.4100 | -0.826 | -0.02 | -0.34 | -0.33 |
Los Vientos 263 | Pallasite, ungrouped | 4.3400 | 2.0900 | -0.167 | 0.02 | 0.34 | 0.33 |
Northwest Africa 7025 | Mesosiderite | 3.9920 | 1.8470 | -0.229 | -0.33 | 0.1 | 0.27 |
Northwest Africa 13921 | Achondrite-ung | 4.0120 | 1.9000 | -0.186 | -0.31 | 0.15 | 0.31 |
Ramlat as Sahmah 309 | Brachinite | 4.3700 | 2.0900 | -0.182 | 0.05 | 0.34 | 0.31 |
Northwest Africa 4051 | Eucrite | 3.9940 | 1.8610 | -0.216 | -0.33 | 0.11 | 0.28 |
Grapevine Mesa | CBa | 4.5410 | 1.4850 | -0.876 | 0.22 | -0.27 | -0.38 |
Northwest Africa 4636 | Mesosiderite | 4.3800 | 2.0900 | -0.188 | 0.06 | 0.34 | 0.31 |
Northwest Africa 4908 | Eucrite | 4.0250 | 1.9310 | -0.162 | -0.3 | 0.18 | 0.33 |
Northwest Africa 4395 | Diogenite | 4.3900 | 2.0900 | -0.193 | 0.07 | 0.34 | 0.3 |
Northwest Africa 7035 | Eucrite-mmict | 3.9930 | 1.8670 | -0.209 | -0.33 | 0.12 | 0.29 |
Pecora Escarpment 01021 | Eucrite-mmict | 3.9810 | 1.8730 | -0.197 | -0.34 | 0.12 | 0.3 |
El Hassan Ould Hamed 001 | Eucrite-unbr | 3.9630 | 1.8120 | -0.249 | -0.36 | 0.06 | 0.25 |
Northwest Africa 12543 | Winonaite | 4.6620 | 1.8800 | -0.544 | 0.34 | 0.13 | -0.05 |
Dhofar 1480 | Eucrite-pmict | 3.9630 | 1.8480 | -0.213 | -0.36 | 0.1 | 0.28 |
Pecora Escarpment 91461 | EH3 | 4.5270 | 2.0570 | -0.297 | 0.21 | 0.31 | 0.2 |
Northwest Africa 4882 | Brachinite | 4.4550 | 2.0950 | -0.222 | 0.14 | 0.35 | 0.27 |
Northwest Africa 4882 | Brachinite | 4.4550 | 2.0950 | -0.222 | 0.14 | 0.35 | 0.27 |
Northwest Africa 10319 | Eucrite-cm | 3.9600 | 1.8400 | -0.219 | -0.36 | 0.09 | 0.28 |
El Hassan Ould Hamed 001 | Eucrite-unbr | 3.9440 | 1.7890 | -0.262 | -0.38 | 0.04 | 0.23 |
Northwest Africa 2999 | Angrite | 4.0930 | 2.0540 | -0.074 | -0.23 | 0.3 | 0.42 |
Northwest Africa 2999 | Angrite | 4.1540 | 2.0950 | -0.065 | -0.17 | 0.35 | 0.43 |
Al Bir Lahlou 001 | Achondrite-ung | 3.9390 | 1.7920 | -0.256 | -0.38 | 0.04 | 0.24 |
Northwest Africa 12540 | Eucrite-an | 3.9360 | 1.7860 | -0.261 | -0.38 | 0.04 | 0.24 |
Fortuna | Winonaite | 4.6800 | 1.6100 | -0.824 | 0.36 | -0.14 | -0.33 |
Northwest Africa 7812 | Angrite | 4.0680 | 2.0510 | -0.064 | -0.25 | 0.3 | 0.43 |
Jiddat al Harasis 404 | Eucrite | 3.9400 | 1.8500 | -0.199 | -0.38 | 0.1 | 0.3 |
Al Hawaya 004 | Eucrite-pmict | 3.9300 | 1.8200 | -0.224 | -0.39 | 0.07 | 0.27 |
Northwest Africa 10019 | Pallasite, ungrouped | 3.9350 | 1.8460 | -0.2 | -0.39 | 0.1 | 0.3 |
Northwest Africa 11486 | Eucrite | 3.9300 | 1.8300 | -0.214 | -0.39 | 0.08 | 0.28 |
Northwest Africa 7812 | Angrite | 4.0030 | 2.0000 | -0.082 | -0.32 | 0.25 | 0.41 |
Northwest Africa 12540 | Eucrite-an | 3.9110 | 1.7780 | -0.256 | -0.41 | 0.03 | 0.24 |
Northwest Africa 13921 | Achondrite-ung | 3.9130 | 1.8560 | -0.179 | -0.41 | 0.11 | 0.32 |
Northwest Africa 8661 | Eucrite | 3.9140 | 1.8680 | -0.167 | -0.41 | 0.12 | 0.33 |
Northwest Africa 5363 | Achondrite-ung | 4.1830 | 2.1520 | -0.023 | -0.14 | 0.4 | 0.47 |
Northwest Africa 6713 | Mesosiderite | 3.9000 | 1.8200 | -0.208 | -0.42 | 0.07 | 0.29 |
Northwest Africa 10023 | Pallasite, PMG-an | 3.8870 | 1.7530 | -0.268 | -0.43 | 0 | 0.23 |
Northwest Africa 13921 | Achondrite-ung | 3.9050 | 1.8750 | -0.156 | -0.42 | 0.13 | 0.34 |
Northwest Africa 14091 | Eucrite | 3.8890 | 1.8070 | -0.215 | -0.43 | 0.06 | 0.28 |
Dhofar 1626 | Eucrite-an | 3.8890 | 1.8080 | -0.214 | -0.43 | 0.06 | 0.28 |
Northwest Africa 10640 | Eucrite-mmict | 3.8900 | 1.8200 | -0.203 | -0.43 | 0.07 | 0.29 |
Northwest Africa 8535 | Angrite | 3.9250 | 1.9340 | -0.107 | -0.4 | 0.18 | 0.39 |
Northwest Africa 7035 | Eucrite-mmict | 3.8870 | 1.8150 | -0.206 | -0.43 | 0.07 | 0.29 |
Northwest Africa 6474 | Brachinite | 4.2340 | 2.1810 | -0.021 | -0.09 | 0.43 | 0.48 |
Northwest Africa 10019 | Pallasite, ungrouped | 3.8780 | 1.7600 | -0.257 | -0.44 | 0.01 | 0.24 |
Northwest Africa 7831 | Diogenite | 3.8790 | 1.7930 | -0.224 | -0.44 | 0.04 | 0.27 |
Miller Range 07662 | Eucrite-br | 3.8900 | 1.6400 | -0.383 | -0.43 | -0.11 | 0.11 |
Northwest Africa 10320 | Eucrite-cm | 3.8800 | 1.8100 | -0.208 | -0.44 | 0.06 | 0.29 |
Northwest Africa 3213 | Mesosiderite | 4.5500 | 2.1300 | -0.236 | 0.23 | 0.38 | 0.26 |
Northwest Africa 4418 | Mesosiderite | 4.5240 | 2.1450 | -0.207 | 0.2 | 0.4 | 0.29 |
Northwest Africa 13921 | Achondrite-ung | 3.8850 | 1.8510 | -0.169 | -0.44 | 0.1 | 0.33 |
Northwest Africa 13955 | Achondrite-ung | 3.8730 | 1.7770 | -0.237 | -0.45 | 0.03 | 0.26 |
Northwest Africa 12004 | Angrite | 4.2840 | 2.1970 | -0.031 | -0.04 | 0.45 | 0.47 |
Northwest Africa 7831 | Diogenite | 3.8750 | 1.8100 | -0.205 | -0.45 | 0.06 | 0.29 |
Northwest Africa 10019 | Pallasite, ungrouped | 3.8710 | 1.7840 | -0.229 | -0.45 | 0.03 | 0.27 |
Yamato 980110 | Ureilite | 4.6000 | 1.3900 | -1.002 | 0.28 | -0.36 | -0.51 |
La'gad 002 | Pallasite, PMG-an | 3.8610 | 1.7770 | -0.231 | -0.46 | 0.03 | 0.27 |
Umm as Samim 024 | Eucrite-cm | 3.8600 | 1.7200 | -0.287 | -0.46 | -0.03 | 0.21 |
Northwest Africa 12951 | Winonaite | 4.7300 | 1.9690 | -0.491 | 0.41 | 0.22 | 0.01 |
Miller Range 07662 | Eucrite-br | 3.8600 | 1.6800 | -0.327 | -0.46 | -0.07 | 0.17 |
Northwest Africa 12937 | Eucrite | 3.8550 | 1.7700 | -0.235 | -0.47 | 0.02 | 0.26 |
Hassi el Biod 001 | Diogenite-an | 3.8520 | 1.7530 | -0.25 | -0.47 | 0 | 0.25 |
Northwest Africa 14717 | Eucrite-unbr | 4.5710 | 2.1460 | -0.231 | 0.25 | 0.4 | 0.27 |
Northwest Africa 12217 | Achondrite-ung | 3.8690 | 1.8840 | -0.128 | -0.45 | 0.13 | 0.37 |
Northwest Africa 7835 | Achondrite-ung | 3.8700 | 1.8890 | -0.123 | -0.45 | 0.14 | 0.37 |
Northwest Africa 3211 | Eucrite | 3.8500 | 1.7100 | -0.292 | -0.47 | -0.04 | 0.2 |
Thiel Mountains 07009 | EL6 | 4.2100 | 2.2100 | 0.021 | -0.11 | 0.46 | 0.52 |
Northwest Africa 8671 | Eucrite-an | 3.8470 | 1.7360 | -0.264 | -0.47 | -0.01 | 0.23 |
Northwest Africa 13735 | Winonaite | 4.7420 | 1.9740 | -0.492 | 0.42 | 0.22 | 0 |
Northwest Africa 3212 | Eucrite | 3.8400 | 1.7400 | -0.257 | -0.48 | -0.01 | 0.24 |
Northwest Africa 1670 | Angrite | 3.8870 | 1.9670 | -0.054 | -0.43 | 0.22 | 0.44 |
Northwest Africa 2904 | Eucrite-pmict | 4.5800 | 2.1600 | -0.222 | 0.26 | 0.41 | 0.27 |
Pecora Escarpment 01021 | Eucrite-mmict | 3.8310 | 1.7400 | -0.252 | -0.49 | -0.01 | 0.24 |
Northwest Africa 4590 | Angrite | 3.8810 | 1.9670 | -0.051 | -0.44 | 0.22 | 0.45 |
Hassi el Biod 001 | Diogenite-an | 3.8300 | 1.7480 | -0.244 | -0.49 | -0 | 0.25 |
Al Bir Lahlou 001 | Achondrite-ung | 3.8290 | 1.7310 | -0.26 | -0.49 | -0.02 | 0.24 |
Northwest Africa 13955 | Achondrite-ung | 3.8280 | 1.7160 | -0.275 | -0.49 | -0.03 | 0.22 |
El Médano 395 | Brachinite | 4.5820 | 2.1700 | -0.213 | 0.26 | 0.42 | 0.28 |
Northwest Africa 6474 | Brachinite | 3.8790 | 1.9800 | -0.037 | -0.44 | 0.23 | 0.46 |
Wan Zawatin 001 | Achondrite-ung | 3.8210 | 1.7740 | -0.213 | -0.5 | 0.02 | 0.28 |
Al Bir Lahlou 001 | Achondrite-ung | 3.8210 | 1.7230 | -0.264 | -0.5 | -0.03 | 0.23 |