El Zacatón Cenote - The World's Deepest Water-Filled Sinkhole

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	El Zacatón Cenote - The World's Deepest Water-Filled Sinkhole

amgumen

5-14-2007 12:32 AM

4994 views

tags:

geology, volcanoes, science, nature

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5-14-2007 10:34 AM

earthshine

An amazing place!

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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/517760ce-5940-4685-b4e5-c72c23696786/8E1BBBD7-D3D5-49A7-851A-3F0CE84BA345/" 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://geology.com/zacaton/" href="http://geology.com/zacaton/" style="font-size: 11px;">geology.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://geology.com/zacaton/"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/geology.com/img/54B3E54C-45BB-4332-B233-454CC50A934E" alt="El Zacatón Cenote" /></div></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://geology.com/zacaton/">
El Zacatón, a vertical cave about 100 meters (328 feet) wide and more than 300 meters (1,000 feet) deep, has been called an “upside down Mount Everest.” It could easily swallow New York’s Chrysler Building. No one has ever reached the bottom, so it’s true depth is unknown.</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://geology.com/zacaton/">
The caves and sinkholes of the Zacatón system are located on a ranch near the small town of Aldama in the state of Tamaulipas in northeastern Mexico.</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://geology.com/zacaton/">these caves and sinkholes formed as a result of volcanic activity from below. This is very different from the classical theory of how caves form and from how most of the other large caves in this part of Mexico likely formed</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://geology.com/zacaton/">
The sinkholes also display another interesting characteristic. They appear to be in varying stages of closing up as crusts of travertine form at their surfaces. At least one appears to have already closed up entirely, sealing off an underwater lake, possibly with unusual life forms.</blockquote><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://content6.clipmarks.com/images/clip-icon.gif" 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://www.geo.utexas.edu/zacaton/geology/hydrogeologic_model.htm" href="http://www.geo.utexas.edu/zacaton/geology/hydrogeologic_model.htm" style="font-size: 11px;">www.geo.utexas.edu</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.geo.utexas.edu/zacaton/geology/hydrogeologic_model.htm"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.geo.utexas.edu/img/B49B68C4-765B-4BB1-901F-D3E77D9FC9EC" alt="" /></div></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/8E1BBBD7-D3D5-49A7-851A-3F0CE84BA345/blog/" title="blog or email this clip"><img src="http://content8.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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