Oxygen Isotope Plots

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Meteoritical Bulletin: Oxygen Isotope Plots

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Change values (separate multiple values with semicolons) - δ¹⁸O: δ¹⁷O: Δ¹⁷O:
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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).

References:

Greenwood R.C., Franchi I.A., Jambon A. and Buchanan P.C. (2005) Widespread magma oceans on asteroidal bodies in the early solar system. Nature 435, 916-918 (link)
Greenwood R.C., Franchi I.A., Jambon A. and Buchanan P.C. (2005) Widespread magma oceans on asteroidal bodies in the early solar system. Nature 435, 916-918 (link)
Hallis L.J., Anand M., Greenwood R.C., Miller M.F., Franchi I.A. and Russell S.S. (2010) The oxygen isotope composition, petrology and geochemistry of mare basalts: Evidence for large-scale compositional variation in the lunar mantle. Geochim. Cosmochim. Acta 74, 6885-6899 (link)
Irving A.J., Kuehner S.M. and Rumble D. (2006) A fresh plutonic igneous angrite containing grain boundary glass from Tamassint, Northwest Africa. American Geophysical Union, Fall meeting 2005, abstract #P51A-0898 (link)
Irving A.J., Kuehner S.M., Rumble D., Bunch T.E. and Wittke J.H. (2005) Unique angrite NWA 2999: The case for samples from Mercury. American Geophysical Union, Fall meeting 2006, abstract #P51E-1245 (link)
Miller M.F. (2002) Isotopic fractionation and the quantification of 17O anomalies in the three oxygen isotope system: an appraisal and geochemical significance. Geochim. Cosmochim. Acta 66, 1881-1889 (link)
Spicuzza M.J., Day J.M.D., Taylor L.A. and Valley J.W. (2007) Oxygen isotope constraints on the origin and differentiation of the Moon. Earth Planet. Sci. Lett. 253, 254-265 (link)
Wiechert U., Halliday A.N., Lee D.-C. Snyder G.A., Taylor L.A. and Rumble D. (2001) Oxygen isotopes and the Moon-forming giant impact. Science 294, 345-358 (link)

Data summary:

δ¹⁸O	δ¹⁷O	Δ¹⁷O: given	Δ¹⁷O: Miller (2002)	Comment
6.6760	3.4700	-0.0020	-0.031
7.0050	3.6380	-0.0050	-0.035

Nearest neighbors in MBDB (within 0.5 permil):

Name	Class	δ¹⁸O	δ¹⁷O	Δ¹⁷O: calc	Δ δ¹⁸O	Δ δ¹⁷O	Δ Δ¹⁷O
Kaidun	CR2	6.8400	3.5700	-0.016	-0	0.02	0.02
Northwest Africa 6687	Lunar (feldsp. breccia)	6.8400	3.5800	-0.007	-0	0.03	0.03
Kalahari 009	Lunar (basalt)	6.8700	3.4500	-0.152	0.03	-0.1	-0.12
Grapevine Mesa	CBa	6.9490	3.4670	-0.176	0.11	-0.09	-0.14
Arabian Peninsula 007	Lunar (frag. breccia)	6.6460	3.4840	-0.001	-0.19	-0.07	0.03
Dar al Gani 1031	EL4	6.6200	3.4700	-0.001	-0.22	-0.08	0.03
Almahata Sitta	Ureilite-an	6.6100	3.4100	-0.056	-0.23	-0.14	-0.02
Jiddat al Harasis 846	OC3	6.7240	3.8820	0.355	-0.12	0.33	0.39
Northwest Africa 10989	Lunar	6.5100	3.4200	0.006	-0.33	-0.13	0.04
Kalahari 008	Lunar (anorth)	6.5200	3.3200	-0.099	-0.32	-0.23	-0.07
Northwest Africa 13411	OC5-an	6.5260	3.8360	0.412	-0.31	0.28	0.45
Northwest Africa 13411	OC5-an	6.4330	3.6660	0.292	-0.41	0.11	0.32
Almahata Sitta	Ureilite-an	6.4200	3.3600	-0.007	-0.42	-0.19	0.03
Northwest Africa 12821	EL3	6.4020	3.3670	0.01	-0.44	-0.19	0.04
Northwest Africa 7135	Chondrite-ung	6.4500	3.8590	0.475	-0.39	0.31	0.51

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