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Oxygen isotope composition of lunar rocks and meteorites. Data for lunar samples from Wiechert et al. (2001); Spicuzza et al. (2007); Hallis et al. (2010). Data for lunar meteorite samples compiled from the Meteoritical Bulletin. Angrite data from Greenwood et al. (2005), Irving et al. (2005, 2006). Δ17O is linearized using the format of Miller (2002): Δ17O = 1000 ln (1+ (δ17O/1000)) – λ1000 ln (1+ (δ18O/1000)) where λ = 0.5247. TFL = Terrestrial Fractionation Line. AFL = angrite fractionation (Greenwood et al., 2005). |
δ18O | δ17O | Δ17O: given | Δ17O: Miller (2002) | Comment |
---|---|---|---|---|
6.5100 | 3.4200 | 0.0300 | 0.006 |
Name | Class | δ18O | δ17O | Δ17O: calc | Δ δ18O | Δ δ17O | Δ Δ17O |
---|---|---|---|---|---|---|---|
Kalahari 008 | Lunar (anorth) | 6.5200 | 3.3200 | -0.099 | 0.01 | -0.1 | -0.1 |
Northwest Africa 12821 | EL3 | 6.4020 | 3.3670 | 0.01 | -0.11 | -0.05 | 0 |
Dar al Gani 1031 | EL4 | 6.6200 | 3.4700 | -0.001 | 0.11 | 0.05 | -0.01 |
Northwest Africa 4415 | EL6 | 6.3880 | 3.3400 | -0.01 | -0.12 | -0.08 | -0.02 |
Northwest Africa 4416 | EL6 | 6.3850 | 3.3420 | -0.006 | -0.13 | -0.08 | -0.01 |
Arabian Peninsula 007 | Lunar (frag. breccia) | 6.6460 | 3.4840 | -0.001 | 0.14 | 0.06 | -0.01 |
Lynch 002 | Lunar | 6.6760 | 3.4700 | -0.031 | 0.17 | 0.05 | -0.04 |
Northwest Africa 12593 | Lunar (frag. breccia) | 6.3610 | 3.3280 | -0.008 | -0.15 | -0.09 | -0.01 |
Northwest Africa 8061 | H3.10 | 6.3200 | 3.4340 | 0.119 | -0.19 | 0.01 | 0.11 |
Northwest Africa 12592 | Lunar (frag. breccia) | 6.3330 | 3.2660 | -0.055 | -0.18 | -0.15 | -0.06 |
Northwest Africa 12980 | Lunar (melt breccia) | 6.2890 | 3.2940 | -0.004 | -0.22 | -0.13 | -0.01 |
Northwest Africa 13411 | OC5-an | 6.4330 | 3.6660 | 0.292 | -0.08 | 0.25 | 0.29 |
Northwest Africa 11444 | Lunar (melt breccia) | 6.2800 | 3.2800 | -0.013 | -0.23 | -0.14 | -0.02 |
Dhofar 1436 | Lunar | 6.2440 | 3.2860 | 0.011 | -0.27 | -0.13 | 0.01 |
Galb Inal | Lunar | 6.1980 | 3.2380 | -0.012 | -0.31 | -0.18 | -0.02 |
Kalahari 009 | Lunar (basalt) | 6.8700 | 3.4500 | -0.152 | 0.36 | 0.03 | -0.16 |
Northwest Africa 6687 | Lunar (feldsp. breccia) | 6.8400 | 3.5800 | -0.007 | 0.33 | 0.16 | -0.01 |
Northwest Africa 12592 | Lunar (frag. breccia) | 6.1740 | 3.2170 | -0.021 | -0.34 | -0.2 | -0.03 |
Northwest Africa 11729 | Eucrite-an | 6.3120 | 3.0620 | -0.247 | -0.2 | -0.36 | -0.25 |
Northwest Africa 13411 | OC5-an | 6.5260 | 3.8360 | 0.412 | 0.02 | 0.42 | 0.41 |
Northwest Africa 4024 | Winonaite | 6.6000 | 3.0100 | -0.449 | 0.09 | -0.41 | -0.46 |
Ghadduwah 001 | Lunar (anorth) | 6.1520 | 3.1980 | -0.028 | -0.36 | -0.22 | -0.03 |
Sierra Gorda 009 | Chondrite-ung | 6.2630 | 3.7630 | 0.477 | -0.25 | 0.34 | 0.47 |
Northwest Africa 7135 | Chondrite-ung | 6.4500 | 3.8590 | 0.475 | -0.06 | 0.44 | 0.47 |
Northwest Africa 12593 | Lunar (frag. breccia) | 6.1060 | 3.2030 | 0.001 | -0.4 | -0.22 | -0.01 |
Northwest Africa 12821 | EL3 | 6.0810 | 3.2540 | 0.065 | -0.43 | -0.17 | 0.06 |
Sierra Gorda 009 | Chondrite-ung | 6.1690 | 3.7360 | 0.499 | -0.34 | 0.32 | 0.49 |
Northwest Africa 12821 | EL3 | 6.0490 | 3.3590 | 0.186 | -0.46 | -0.06 | 0.18 |
Aridal 010 | Brachinite | 6.1700 | 3.1000 | -0.135 | -0.34 | -0.32 | -0.14 |
Northwest Africa 12821 | EL3 | 6.0680 | 3.2160 | 0.034 | -0.44 | -0.2 | 0.03 |
Northwest Africa 12821 | EL3 | 6.0910 | 3.1680 | -0.026 | -0.42 | -0.25 | -0.03 |
Northwest Africa 7135 | Chondrite-ung | 6.0720 | 3.6490 | 0.463 | -0.44 | 0.23 | 0.46 |