On Fri, Oct 10, 2014 at 7:21 PM, Jones Beene <[email protected]> wrote:
This analysis is open to interpretation of course, since it is based on > ratios and they state that various particles vary from place to place. It would be risky to try to compare specific counts of specific isotopes on different grains, before and after. For the ratio of the isotopes will vary between different "before" samples and between different "after" samples, chosen from different locations. In addition, sputtering was used to remove some adhesive, which will have had the effect of modifying the results. I think the most we can get from this particular set of isotope analyses is an impressionistic view of what's going on, for which one wants to avoid reading too much into specific numbers. Eric
