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<blockquote data-quote="Allen" data-source="post: 200136" data-attributes="member: 389">These are natural phenomena that you can find just about any year along some stream in ND.Basic premise is that there is a source of dissolved gas in the water below the ice.&nbsp; Whether this comes from biological decay (such as swamp gas in wetlands), or aeration of the water coming over a small dam (beaver or low-head like in Minot or Dickinson, or ???), eventually those small bubbles of gas just gotta rise to the top and pop.&nbsp; When they do pop, they spray a small amount of water which creates yet another very thin layer of ice around where it popped.&nbsp; Each of these river ice statues, spikes, or whatever you want to call them have a small hole in the center that the air bubble rises up through to eventually pop at the top.I hear this one is now about 7 ft tall.- - - Updated - - -or, they were made by UFO riding space aliens.</blockquote>

[QUOTE="Allen, post: 200136, member: 389"] These are natural phenomena that you can find just about any year along some stream in ND. Basic premise is that there is a source of dissolved gas in the water below the ice. Whether this comes from biological decay (such as swamp gas in wetlands), or aeration of the water coming over a small dam (beaver or low-head like in Minot or Dickinson, or ???), eventually those small bubbles of gas just gotta rise to the top and pop. When they do pop, they spray a small amount of water which creates yet another very thin layer of ice around where it popped. Each of these river ice statues, spikes, or whatever you want to call them have a small hole in the center that the air bubble rises up through to eventually pop at the top. I hear this one is now about 7 ft tall. [COLOR="silver"][SIZE=1]- - - Updated - - -[/SIZE][/COLOR] or, they were made by UFO riding space aliens. [/QUOTE]

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