Thanks neverdem. There may also be an even earlier topic than this one:
Lost City pumps life-essential chemicals at rates unseen at typical black smokers
University of Washington | January 31, 2008 | Unknown
Posted on 01/31/2008 4:28:30 PM EST by decimon
http://www.freerepublic.com/focus/f-news/1962790/posts
Thanks for the link.