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Hi Greg,

I compiled d15N data from sedimentary rocks of all ages (from Eoarchean to
Quaternary) a few years ago in a paper published in Chemical Geology (vol.
216 (2005) 3758).  It is probably incomplete for the more recent samples,
but it should be a start.

Dominic


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Dominic Papineau  Ph.D.
Geophysical Laboratory
Carnegie Institution of Washington
5251 Broad Branch rd NW
Washington DC 20015

Office: 202-478-8908
Cell: 303-514-8978
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>>What are the highest reported d15N values in natural samples?
>
>
>
>
> Greg Michalski, Assistant Professor
> http://www.purdue.edu/eas/michalski/
> Department of Earth and Atmospheric Sciences
> Purdue University
> 550 Stadium Mall Dr.
> Lafayette IN.47907
>