Meteorite Dagger?

[BSMStar]

Originally Posted by Jeff Pringle

You can get trace elements by INAA as well as EMP, with a very small sample size.
I think in addition to a good Iridium anomaly, a blade with a percentage of meteorite would have oxygen isotopes that are skewed off the terrestrial mass fractionation line.
By looking at the Cobalt/Nickel ratio you might get some clues as well.

For those who are hard core, here is a link on INAA:

http://www.ncnr.nist.gov/div8395/inaa.html