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Natural Science Forum / Earth Science / Geology / July 2008Northernmost hydrothermal vent field found
A team led by Rolf Pedersen of the University of Bergen (Norway) has discovered the world's northernmost hydrothermal vent field. The black smokers are situated at 73° north on the Mid-Atlantic Ridge between Greenland and Norway, more than 220 kilometres from the previous northernmost vents found during a 2005 expedition, also led by Pedersen. Other scientists have detected plumes of water from hydrothermal vents even farther north but have been unable to find the vent fields on the sea floor to image and sample them. The cluster of five vents discharge water as hot as approx. 300°C. Read the complete story here: http://uwnews.org/article.asp?articleID=42993  SignatureAlan Johnson, Geotr@ns www.geotrans-online.de German-English, Geosciences/Technical http://geotransblog.blogspot.com/ Terminus Est > A team led by Rolf Pedersen of the University of Bergen (Norway) has > discovered the world's northernmost hydrothermal vent field. The black [quoted text clipped - 9 lines] > Read the complete story here: > http://uwnews.org/article.asp?articleID=42993 Interesting findings Alan. I wonder whether there could be some hydrothermal vents along the Gakken ridge under the arctic ice where active volcanoes were found in 2001. Signaturegautam >> A team led by Rolf Pedersen of the University of Bergen (Norway) has >> discovered the world's northernmost hydrothermal vent field. The black [quoted text clipped - 13 lines] > vents along the Gakken ridge under the arctic ice where active volcanoes > were found in 2001. Hi Gautam, I'm afraid I can't answer that, apart from "I wouldn't be surprised". I tried to find some info, but there is very little to be had at all on the Gakken Ridge (that I could find). Regards SignatureAlan Johnson, Geotr@ns www.geotrans-online.de German-English, Geosciences/Technical http://geotransblog.blogspot.com/ Terminus Est <snip> > I tried to find some info, but there is very little to be had at all on > the Gakken Ridge (that I could find). Alan Johnson: Try "Gakkel Ridge": http://epic.awi.de/Publications/Mic2003d.pdf http://en.wikipedia.org/wiki/Gakkel_Ridge - Daryl Krupa > <snip> >> I tried to find some info, but there is very little to be had at all on [quoted text clipped - 9 lines] > > - Daryl Krupa Great, thanks Daryl. I'll read them asp. Regards SignatureAlan Johnson, Geotr@ns www.geotrans-online.de German-English, Geosciences/Technical http://geotransblog.blogspot.com/ Terminus Est > Interesting findings Alan. I wonder whether there could be some hydrothermal > vents along the Gakken ridge under the arctic ice where active volcanoes > were found in 2001. Gautam, I suggest you also read the references posted by Daryl. Regards SignatureAlan Johnson, Geotr@ns www.geotrans-online.de German-English, Geosciences/Technical http://geotransblog.blogspot.com/ Terminus Est >> Interesting findings Alan. I wonder whether there could be some >> hydrothermal vents along the Gakken ridge under the arctic ice where >> active volcanoes were found in 2001. >> > Gautam, I suggest you also read the references posted by Daryl. Thanks Alan. I read the Nature article when it was published and refreshed myself now. Also checked the Wikipedia article. A good short one. Results of further exploration in 2007. No hydrothermal vent though. http://www.nature.com/nature/journal/v453/n7199/abs/nature07075.html http://my.opera.com/nielsol/blog/2008/06/26/gakkel-ridge-revisited Here are some other articles http://www.ingentaconnect.com/content/bsc/gji/2007/00000169/00000001/art00009 http://www.agu.org/pubs/crossref/2003/2002JB001830.shtml http://www.geosociety.org/news/pr/01-64.htm Signaturegautam |
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