sensei8 Posted June 1, 2010 Share Posted June 1, 2010 Here's the link...http://www.channel4.com/news/articles/science_technology/huge+guatemala+sinkhole+appears+after+tropical+storm+agatha+batters+central+america/3665832This sinkhole "swallowed a three story building and 12 homes." **Proof is on the floor!!! Link to comment Share on other sites More sharing options...
Patrick Posted June 1, 2010 Share Posted June 1, 2010 Scary stuff. Just a weird photo to have to look at. The article doesn't appear to mention 12 homes, though.Thanks,Patrick Patrick O'Keefe - KarateForums.com AdministratorHave a suggestion or a bit of feedback relating to KarateForums.com? Please contact me!KarateForums.com Articles - KarateForums.com Awards - Member of the Month - User Guidelines Link to comment Share on other sites More sharing options...
sensei8 Posted June 3, 2010 Author Share Posted June 3, 2010 The article doesn't appear to mention 12 homes, though.My bad! I was confusing and mixing up the facts between with the 2010 Guatemala City Sinkhole AND the 2007 Guatemala City Sinkhole.2007 story...http://news.nationalgeographic.com/news/2007/02/070226-sinkhole-photo.html **Proof is on the floor!!! Link to comment Share on other sites More sharing options...
GeoGiant Posted June 3, 2010 Share Posted June 3, 2010 The story doesn't give you a lot of information about the rock but the story is kind of misleading. Here is a rough description - water or sewage running over the rock does dissolve the rock.... along the weakest planes first, solution channel are created, and these channels eventually grow to caverns. It takes a longggggg time for this process to occur. However while all this is going on, mud / rock mixes plug up these channels or caverns while they grow. As long as the mud / rock mix is dense enough, the plug will remain in place. After a large rain or leak saturates these mud plugs they become unstable and slide down through the channel or cavern... that is how a hole that big forms with no one seeing anything until its a catastrophe.The thing is, where there is one..... there is more. I agree with the guy that said he was leaving. Link to comment Share on other sites More sharing options...
GeoGiant Posted June 3, 2010 Share Posted June 3, 2010 I saw an update right after my post. That hole was not a sinkhole. Sinkholes are formed in karst rock... that area is underlain with pumice rock. I could go on and on about geologic nomenclature but I can see you eyes getting heavy.... Link to comment Share on other sites More sharing options...
Patrick Posted June 4, 2010 Share Posted June 4, 2010 Thanks for that, GeoGiant. No worries, Bob. Patrick Patrick O'Keefe - KarateForums.com AdministratorHave a suggestion or a bit of feedback relating to KarateForums.com? Please contact me!KarateForums.com Articles - KarateForums.com Awards - Member of the Month - User Guidelines Link to comment Share on other sites More sharing options...
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