CH-ers: Thanks to all who leapt in and informed me what green onions were...all 8 or 9 of you! I appreciate it, and promise to parade my ignorance privately next time ;-) Tara -- ______________________________________________________ Tara Deen School of Earth Sciences Division of Geology and Geophysics Building FO5 University of Sydney NSW 2006 Phone: 61-2-9351 4271 Fax: 61-2-9351 0184 email: tara@es.usyd.edu.au ______________________________________________________