Talk:Brumadinho dam disaster

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A news item involving Brumadinho dam disaster was featured on Wikipedia's Main Page in the In the news section on 27 January 2019.

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BBC News online article

https://www.bbc.com/news/world-latin-america-47009118

Some possibly useful material. Ceannlann gorm (talk) 10:41, 27 January 2019 (UTC)[reply]

A few links from Reuters might be useful too: [1] and [2]. User:Tetizeraz. Send me a ✉️ ! 14:46, 27 January 2019 (UTC)[reply]

New alert?

https://www.gulf-times.com/story/620435/New-alert-as-hundreds-feared-dead-in-Brazil-dam-di

Don't have time to add this to the article itself, sorry! Ceannlann gorm (talk) 11:45, 27 January 2019 (UTC)[reply]

Impact on life before economic?

Passing through but wanted to ask - is it possible that (in the aftermath section) we could talk about the loss of life before the economic impacts? This might be a matter of personal taste but it seems a little cold... Joe (talk) 19:46, 29 January 2019 (UTC)[reply]

Pink river

Why is the river pink in the image. It is strange. may be the body should clarify the colour and its cause. --DBig Xrayᗙ 19:57, 29 January 2019 (UTC)[reply]
The BBC video shows normal brown colour. Perhaps the image from the screen grab needs to be corrected for White Balance to make it less pink. --DBig Xrayᗙ 20:02, 29 January 2019 (UTC)[reply]

It's not exactly strange. If you look in the article, the dam was actually a tailings dam. Many tailings dams have odd and bright colors because of the high levels of dissolved minerals in them (such as iron, copper,etc). From what I see, this dam disaster was for an iron ore mine, which would explain its pinkish hue. Sir Trenzalore (talk) 20:50, 29 January 2019 (UTC)[reply]

What a moronic observation. It clearly is just mud. Bageense (talk) 21:22, 29 January 2019 (UTC)[reply]

You realize how mining operations like this work, right? Ore is mined out of the ground and pulverized into fine particles. These particles are then chemically treated - such as with cyanide or sulphuric/nitric acids - to leach out minerals of interest. This forms a kind of slurry. This slurry is processed to remove the majority of these minerals, leaving the tailings, a suspension of powderized rock and water, or as you oh so aptly put it, mud. These tailings have compounds leftover from the leaching process that can be highly colorful. Here are a few examples: copper sulfate, iron (II) sulfate, nickel nitrate, etc. In this case, the tailings were stored in a dam that failed. Sir Trenzalore (talk) 22:38, 29 January 2019 (UTC)[reply]

Sir Trenzalore thanks for the kind reply. I agree the colour is likely due to the minerals. --DBig Xrayᗙ 21:47, 29 January 2019 (UTC)[reply]

Victims unidentified

Number of victims not found is incorrect since december 2022. If this is irrelevant to article, its ok.--PauloMSimoes (talk) 01:12, 14 May 2023 (UTC)[reply]