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Correlation between 22Ne/130Xe and 86Kr/82Kr in the G noble gas component carried by the presolar SiC grains. Error bars are 1σ. Both ratios increase with average grain size of the Murchison KJ separates6,7. The vertical lines correspond to the (22Ne/130Xe)G ratios in minimally processed Murchison39 (black) and in the Allende Curious Marie CAI (red).
