OPPORTUNITY UPDATE: Opportunity Finds More Evidence of Ancient Water - sol 1463-1470, March 5-13, 20


	OPPORTUNITY UPDATE: Opportunity Finds More Evidence of Ancient Water - sol 1463-1470, March 5-13, 20

mariana3

3-29-2008 11:23 AM

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tags:

astronomy, mars, geology, science, solarsystem

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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://www.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/a74d2780-c002-4a9d-8310-8886b863d984/45F761CF-2C24-4418-A0AA-83F13BD88458/" 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://marsrovers.jpl.nasa.gov/mission/status.html" href="http://marsrovers.jpl.nasa.gov/mission/status.html" style="font-size: 11px;">marsrovers.jpl.nasa.gov</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://marsrovers.jpl.nasa.gov/mission/status.html"><P>Opportunity has completed scientific studies of the undisturbed surface of a rock target informally named "Dorsal" in the "Gilbert" rock layer inside "Victoria Crater." Dorsal is a protruding fin of rock created by minerals deposited in cracks that remained in place long after the original rock eroded away because they were more resistant to weathering.
</P></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://marsrovers.jpl.nasa.gov/mission/status.html"><P>Data collected with the Mössbauer and alpha-particle X-ray spectrometers show that the fins in Gilbert contain large quantities of the mineral hematite. This iron-bearing mineral is also abundant in the frequently occurring, round concretions known as "blueberries" that are believed to have formed in water. Scientists have been looking for such pristine fins ever since Opportunity first noticed them back in "Eagle Crater," where the rover landed more than four years ago.
</P></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/45F761CF-2C24-4418-A0AA-83F13BD88458/blog/" title="blog or email this clip"><img src="http://content6.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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