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Geology Low‑importance

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Is it possible that the Swahili word mazuku is actually the plural of zuku? Michael Hardy (talk) 12:11, 20 May 2009 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2009-05-20T12:11:00.000Z","author":"Michael Hardy","type":"comment","level":1,"id":"c-Michael_Hardy-2009-05-20T12:11:00.000Z","replies":[]}}-->

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CO2 toxicity

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I know it's not the central point of the article, but this article is severely misleading to the extent that it suggests that CO2 kills only by displacing oxygen, or that it isn't "pungent". While small amounts of CO2 are nontoxic and indeed necessary (without it you forget to breathe), high concentrations are very toxic, and will kill you very very dead even if there's plenty of oxygen left. See the carbon dioxide article for more quantitative statements.

As for "pungency", take a whiff over a bowl of punch with dry ice in it and tell me what you think. It may be true that you don't detect the CO2 strictly speaking by way of the olfactory sense, but you'll definitely know it's there.

But the more serious error is the one about toxicity, as that could cause people to underestimate the danger. --Trovatore (talk) 08:18, 4 April 2010 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2010-04-04T08:18:00.000Z","author":"Trovatore","type":"comment","level":1,"id":"c-Trovatore-2010-04-04T08:18:00.000Z-CO2_toxicity","replies":[]}}-->

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Mazuku origins

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The origin of mazukus and their association with Lake Kivu is misleading. Lake Kivu has some 300 billion cubic metres of carbon dioxide dissolved, mainly in deeper water below 260m. The origin of this lake's gas is partially from biogenic processes and partially volcanic. On the north shore of Lake Kivu the lava beds associated with Mt Nyiragongo and Mt Nyamulagira, both active volcanoes, lie hundreds of metres deep in a series of lava flows dating back 10 000 years. Gases from the volcano, including carbon dioxide and some sulphur dioxide, also difuse their way through the lava beds. Rainwater falling on the lava plains drains through the lava beds, picking up some of the diffusing carbon dioxide and carrying into the lake through underground streams.

However some of the carbon dioxide diffuses right up through the surface of the lava beds and is swept away by the wind. On a still night, this diffusing gas is not swept away, but accumulates in hollows, trenches, cellars and gullies. An unsuspecting person, it has happened to people falling drunk into ditches or even hiding from someone, spends more than a few minutes in such a pocket of gas and they will quickly lose consciousness and die. The mazuku is therefore associated with the lava beds near live volcanoes, not the lake. George Nowak (talk) 15:12, 6 April 2010 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"2010-04-06T15:12:00.000Z","author":"George Nowak","type":"comment","level":2,"id":"c-George_Nowak-2010-04-06T15:12:00.000Z-Mazuku_origins","replies":[]}}-->

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External links modified (January 2018)

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Missing information and gaps

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I appreciate the work that has gone into this article. I noticed that there might be some gaps or missing information, particularly in the section on where these Mzuku are found interms of Geographical locations as well as how they impact human lives both positively and negatively. It could be helpful to expand on this to provide a more comprehensive overview for readers. I'm happy to help with any research if needed ('Magmamind (talk) 05:38, 1 September 2024 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"20240901053800","author":"Magmamind","type":"comment","level":1,"id":"c-Magmamind-20240901053800-Missing_information_and_gaps","replies":[]}}-->

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Wiki Education assignment: Volcanology Wikipedia class module

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This article is currently the subject of a Wiki Education Foundation-supported course assignment, between 19 August 2024 and 14 December 2024. Further details are available on the course page. Student editor(s): Magmamind (article contribs). Peer reviewers: SilvershineGP.

— Assignment last updated by SilvershineGP (talk) 15:38, 4 October 2024 (UTC)[reply]__DTELLIPSISBUTTON__{"threadItem":{"timestamp":"20241004153800","author":"SilvershineGP","type":"comment","level":1,"id":"c-SilvershineGP-20241004153800-Wiki_Education_assignment:_Volcanology_Wikipedia_class_module","replies":[]}}-->