Mondo Knows Facts
Perito Moreno is one of few stable glaciers
While most glaciers shrink, this one advances and dams a lake until the ice gives way The glacier flows into Lago Argentino in Patagonia and periodically blocks an arm of the lake. Water rises behind the ice until pressure breaks through, a collapse that draws crowds and has happened many times. Its ice field is one of the largest reserves of fresh water outside the polar regions. It sits in Mondo's world geography collection, one of 200 facts that each trace back to the reference below.
Where this comes from
Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.
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Ice cores trap ancient air for studyBubbles sealed in glacier ice preserve samples of the atmosphere from thousands of years agoThe Rwenzori has glaciers almost on the equatorThese peaks on the Uganda and Congo border carry ice despite sitting within a degree of the EquatorBlood Falls in Antarctica flows with crimson iron-rich waterEmerging from the Taylor Glacier, the waterfall gets its deep red colour from oxidised iron.Antarctica holds Earth's largest single ice sheetIt covers the whole continent and holds roughly sixty per cent of the world's fresh waterGlaciers flow downhill like very slow riversIce deforms under its own weight, so a glacier keeps moving while staying solidGlaciers carry boulders far from their bedrockErratics are rocks dumped many miles from any outcrop of the same stone
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Tags: glaciers, argentina, lakes
Perito Moreno is one of few stable glaciers: the short answers
- Where does this come from, and can I check it?
- While most glaciers shrink, this one advances and dams a lake until the ice gives way. The figure is taken from UNESCO World Heritage Centre, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a world geography fact?
- Yes. It sits on the World Geography shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.