Here's an interesting thermal feature that is found in Chile: http://www.youtube.com/watch?v=32JGl9Jyllg The only similar formations that I can think of are a) the cones at Fairyland Basin, Monument Geyser Basin and those found under Yellowstone Lake, and b) the geyserite cone that is in the Smithsonian. Jeff Cross jeff.cross at utah.edu -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20131022/90bfac67/attachment.html>