Ancient Antarctic eruption noted


	Ancient Antarctic eruption noted

invictus

1-20-2008 7:24 PM

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tags:

volcanoes, antarctica, geology, science

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/30bb5254-7e07-4ead-accc-8d9ec0c128ac/A4D725E3-EA96-4286-9064-0CBC4B2AD32C/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://news.bbc.co.uk/2/hi/science/nature/7194579.stm" href="http://news.bbc.co.uk/2/hi/science/nature/7194579.stm" style="font-size: 11px;">news.bbc.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7194579.stm"><FONT size="2">	
		<TABLE width="203" cellspacing="0" cellpadding="0" border="0" align="right"><TBODY><TR><TD><DIV>
				<IMG width="203" vspace="0" hspace="0" height="152" border="0" alt="Research aeroplane over Antarctica. Image: Carl Robinson / British Antarctic Survey" src="http://newsimg.bbc.co.uk/media/images/44363000/jpg/_44363057_antarctica203b.jpg" />
				<DIV class="cap">Data came from an airborne survey which made radar images</DIV>
			</DIV>
			</TD></TR></TBODY></TABLE><B>Scientists have found what they say is the first evidence of a volcanic eruption under the Antarctic ice sheet.</B>
</FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7194579.stm"><FONT size="2">They believe the volcano erupted about 2,000 years ago, and would have burst through its ice covering, producing a burst of steam and rocky debris. 
</FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7194579.stm"><FONT size="2">The British Antarctic Survey (Bas) scientists report their finding in the journal Nature Geoscience. 
</FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7194579.stm"><FONT size="2">They say it could aid understanding of an ice mass which is likely to play a key role in climate change. 
</FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.bbc.co.uk/2/hi/science/nature/7194579.stm"><FONT size="2">The researchers discovered the eruption's traces by analysing radar data collected during an airborne survey of the area in 2004/5. 
</FONT></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/A4D725E3-EA96-4286-9064-0CBC4B2AD32C/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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