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 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.

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)
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)

Data summary:

δ¹⁸O	δ¹⁷O	Δ¹⁷O: given	Δ¹⁷O: Miller (2002)	Comment
3.7000	-0.2190	Not given	-2.159

Nearest neighbors in MBDB (within 0.5 permil):

Name	Class	δ¹⁸O	δ¹⁷O	Δ¹⁷O: calc	Δ δ¹⁸O	Δ δ¹⁷O	Δ Δ¹⁷O
Tintigny	Eucrite-pmict	3.7560	0.0000	-1.969	0.06	0.22	0.19
Northwest Africa 7317	CR6	3.5940	0.0640	-1.82	-0.11	0.28	0.34
Northwest Africa 7317	CR6	3.5070	0.0570	-1.782	-0.19	0.28	0.38
Northwest Africa 12869	Achondrite-prim	3.5840	0.1700	-1.709	-0.12	0.39	0.45
Northwest Africa 2994	Chondrite-ung	3.3310	-0.0070	-1.754	-0.37	0.21	0.41
Northwest Africa 4025	CB	3.7300	0.2200	-1.735	0.03	0.44	0.42
Northwest Africa 12869	Achondrite-prim	3.6680	0.2250	-1.698	-0.03	0.44	0.46
Northwest Africa 2994	Chondrite-ung	3.3550	0.0780	-1.681	-0.35	0.3	0.48
Northwest Africa 3250	Achondrite-prim	3.2500	-0.0300	-1.734	-0.45	0.19	0.42

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