0146-6380/$ see front matter 2008 Elsevier Ltd doi:10.1016/j.orggeochem.2008.06.006 * Corresponding author. Tel.: +1 423 439 6917; fa E-mail address: jiangy@etsu.edu (Y.L. Jiang). A new and convenient fluorescence spectroscopic method has been developed for the separation and determination of perylene in fossil wood recovered from a late Miocene to early Pliocene Gray Fossil Site in Tennessee, ...