Dan Dare Posted January 1, 2009 #1 Share Posted January 1, 2009 What do you make of these pipes? http://www.chinaexpat.com/blog/ernie/2008/...-or-oopart.html Dan Dare Link to comment Share on other sites More sharing options...
legionromanes Posted January 1, 2009 #2 Share Posted January 1, 2009 (edited) The pipe-like features are the result of natural self-organization processes, which occur during the precipitation of iron oxides within sedimentary rocks. http://en.wikipedia.org/wiki/Baigong_Pipes next time use the search function Edited January 1, 2009 by legionromanes Link to comment Share on other sites More sharing options...
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