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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:


Data summary:
δ18Oδ17OΔ17O: givenΔ17O: Miller (2002)Comment
3.7000-0.2190Not given-2.159 

Nearest neighbors in MBDB (within 0.5 permil):
NameClassδ18Oδ17OΔ17O: calcΔ δ18OΔ δ17OΔ Δ17O
TintignyEucrite-pmict3.75600.0000-1.9690.06 0.22 0.19
Northwest Africa 7317CR63.59400.0640-1.82-0.11 0.28 0.34
Northwest Africa 7317CR63.50700.0570-1.782-0.19 0.28 0.38
Northwest Africa 12869Achondrite-prim3.58400.1700-1.709-0.12 0.39 0.45
Northwest Africa 2994Chondrite-ung3.3310-0.0070-1.754-0.37 0.21 0.41
Northwest Africa 4025CB3.73000.2200-1.7350.03 0.44 0.42
Northwest Africa 12869Achondrite-prim3.66800.2250-1.698-0.03 0.44 0.46
Northwest Africa 2994Chondrite-ung3.35500.0780-1.681-0.35 0.3 0.48
Northwest Africa 3250Achondrite-prim3.2500-0.0300-1.734-0.45 0.19 0.42
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