sounds like travertine dams... if you don't feel like going to Croatia, though, and want to see travertine dams, Yellowstone's Mammoth Hot Springs comes to mind:
5 posted on 04/24/2007 12:18:32 PM PDT by verum ago
(The Iranian Space Agency: set phasers to jihad!)
Similar, but Plitvice Lakes are cool water. Little Havasu Canyon (notably Havasu Falls) also has cool/cold water travertine. The description of Plitvice says the carbonate builds up in plant root systems.
7 posted on 04/24/2007 12:44:28 PM PDT by cogitator
