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Fig. 1 Oxygen isotope composition of terrestrial and lunar samples shown in relation to various meteorite groups that plot close to the TFL. Oxygen isotope.

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Presentation on theme: "Fig. 1 Oxygen isotope composition of terrestrial and lunar samples shown in relation to various meteorite groups that plot close to the TFL. Oxygen isotope."— Presentation transcript:

1 Fig. 1 Oxygen isotope composition of terrestrial and lunar samples shown in relation to various meteorite groups that plot close to the TFL. Oxygen isotope composition of terrestrial and lunar samples shown in relation to various meteorite groups that plot close to the TFL. Enstatite chondrites (EH and EL groups) (26) are shown as circular filled and unfilled fields. Aubrites, HEDs (howardites, eucrites, diogenites), angrites, and Martian meteorites are shown as bars to represent the δ18O range and mean average Δ17O value for each group (Δ17O calculated as per samples in this study). Data sources: terrestrial and lunar samples, this study and Starkey et al. (19); aubrites, Barrat et al. (20); other groups, Greenwood et al. (42). Richard C. Greenwood et al. Sci Adv 2018;4:eaao5928 Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution License 4.0 (CC BY).


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