10 February 2020 07:31 in Uncategorized by Dave Petley
The exceptional mobility of tailings dam failures I’m continuing to write my paper for the keynote at the 13th International Symposium on Landslides in Colombia this year (the paper is due this month, so the pressure is on). As I noted in a post last week, I’ve been looking at the impact of landslides in less developed countries; one key component of this is the impact of failures associated with …
Tags: featured, mine, mining, research, tailings
20 January 2020 07:15 in Tailings by Dave Petley
Last month the official Expert Panel released its report on the Feijao tailings dam disaster at Brumadinho in Brazil, which killed over 300 people.
Tags: brazil, featured, mine, mining, South America, tailings
28 October 2019 07:56 in Mining by Dave Petley
Gongo Soco: Google Earth and Planet Labs images show continued large-scale deformation of the rock wall at a large mine in Brazil
Tags: Beazil, featured, mine, mining, Planet Labs, South America
4 February 2019 07:35 in landslide report by Dave Petley
The two important videos showing the Brumadinho tailings dam landslide allow some estimates to be made of the speed of the movement.
Tags: brazil, dam, featured, liquefaction, mine, mining, South America, tailings
30 January 2019 08:23 in landslide report by Dave Petley
Planet Labs have captured a high resolution image of the aftermath of the Brumadinho tailings dam failure at the Córrego do Feijão Mine in Brazil
Tags: brazil, Brumadinho, featured, maining, mone, tailings
8 November 2015 10:49 in landslide report by Dave Petley
It now appears that about 30 people died in the Samarco talings dam disaster at Bento Rodriguez in Brazil on Thursday. Two tailings dams collapsed, starting with a large upstream structure,
Tags: dam, featured, South America, tailings
30 September 2022 07:00 in Database by Dave Petley
I have been pondering the number of large landslide disasters that occurred in the 1960s. This is an initial list that includes the landslide impacts of two of the greatest earthquakes in history and a series of landslides caused by dams and mining.
Tags: disaster, earthquake, featured, global database, landslide disasters, mining
13 January 2022 07:29 in Mining by Dave Petley
The 8 January 2022 Pau Branco landslide in mine waste – CCTV footage has now emerged showing the overtopping of the dam
Tags: brazil, featured, landslide video, mine, mining, South America, tailings
12 January 2022 08:08 in Mining by Dave Petley
Flow from the mining landslide at Pau Branco The mining landslide at Pau Branco caused a significant release of mine waste, which appears to have flowed into the water retention structure below. This image, from the Observatório da Mineração, shows the flow path:- . As the image shows, the landslide overtopped the retaining structure, which remained essentially intact (note the superficial erosion on either side of the dam abutments). The …
Tags: brazil, featured, landslide video, mine, mining, South America
8 January 2021 09:42 in Mining by Dave Petley
A new paper (Grebby et al 2021) uses InSAR to detect precursory deformation of the Brumadinho tailings dam before the disastrous failure in 2019. The authors suggest that the failure might have been predictable with use of appropriate monitoring techniques.
Tags: brazil, featured, mine, mining, research, review, South America, tailings
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