-
- دوشنبه تا شنبه: 10:00 - 16:00 / یکشنبه تعطیل است
A Brazilian court has ordered iron ore producer Samarco, along with its owners Vale and BHP, to pay R$47.6bn ($9.7bn) in compensation for a dam collapse …
به خواندن ادامه دهید
For many analysts, Vale's move to halt production at 10 mines, while it dismantles tailings dams similar to the one that burst last week, will bring the iron ore market back to a balance.
به خواندن ادامه دهید
As exposures of communities to disaster risks increase in Brazil more quickly than capacities to reduce vulnerabilities (Freitas, The disaster at the Samarco mining barrage: Exposed fracture of Brazil's limits in disaster risk reduction. ... 2018; Serapio & Xu, Vale eyes expansion of Brazil iron ore mine to feed Chinese demand. …
به خواندن ادامه دهید
BHP told to hand over executives' employment details in Brazil dam disaster litigation. ... safety, environment and community for iron ore, and Natie Victor, a former risk manager at the company
به خواندن ادامه دهید
Disaster. On 5 November 2015 the Fundão Dam near the city of Mariana in Southeast Brazil collapsed, unleashing 60 million cubic meters of iron ore waste and mud (called tailings), the by-products of iron ore mining operations in the area.
به خواندن ادامه دهید
The disaster near the small town of Brumadinho in southeastern Brazil occurred shortly after midday on 25 January 2019. At a nearby iron ore mine, the tailings dam—a storage area for the sludgy ...
به خواندن ادامه دهید
The dam collapse at the Samarco iron ore mine near the town of Mariana in Brazil's southeastern state of Minas Gerais caused a vast flow of mud and mining waste that buried a nearby village ...
به خواندن ادامه دهید
On Friday, a dam associated with an iron ore mine in the Brazilian state of Minas Gerais breached, unleashing a torrent of water and mine waste into the …
به خواندن ادامه دهید
Samarco, which was once the world's second-largest iron-ore pellet operation, has been shuttered since the deadly dam spill that washed downstream into neighbouring state Espírito Santo and ...
به خواندن ادامه دهید
In order to assess the impacts of the iron ore tailings on the Paraopeba River basin, water and sediment samples were taken on January 30, 2019, five days after the dam rupture, from six sampling sites: (S1) Moeda – 61.3 km upstream the rupture area, (S2) Brumadinho – 5.2 km, (S3) Juatuba – 48 km, (S4) São José da Varginha – 111 km, …
به خواندن ادامه دهید
Since the Fundão Dam rupture in Southeastern Brazil caused an enormous amount of iron ore tailing (IOT) to be discharged into the Doce River Catchment, various works have been published on the soil, water, and biota contamination by potentially hazardous trace metals. However, the objective of this study is to investigate changes in …
به خواندن ادامه دهید
Two environmental disasters of large proportions involving mining dams occurred in Brazil in less than four years. Iron ore tailings released by the ruptures of both the Fundão and Brumadinho ...
به خواندن ادامه دهید
2.2. Field layout and sampling. The study area was separated in three sites (Fig. 1 C): Site I) sandy sediment; Site II) iron ore tailing mud; and Site III) pasture soil (not contaminated).From the riverbank to the pasture soil, three sampling lines of 10 × 50 m (Fig. 1 C) were drawn on the soil (area of 1200 m 2).Samples were collected from 0 to 5 cm …
به خواندن ادامه دهید
On November 5, 2015 an iron ore mine tailings dam owned by Samarco, a joint venture of Vale and BHP Billiton, two of the world's largest mining firms, collapsed in Mariana, Brazil. Life along ...
به خواندن ادامه دهید
Vale has finally lost its position as the world's largest iron miner. The Brazilian mining giant saw its production crater in 2019, as the tragic impacts of a collapsed tailings dam at its Brumadinho operation were felt across the iron ore sector. 300 people were killed or left missing by the disaster, sparking internal investigations and external …
به خواندن ادامه دهید
Vale has agreed to pay nearly $7 billion in compensation after a dam collapsed at one of its mines in Brazil two years ago, killing 270 people and causing …
به خواندن ادامه دهید
Brazil's deadly dam disaster may have been preventable. ... Only 1,177 days separate accidents of the Fundão ore reject dams in Mariana and the Córrego do Feijão mine in …
به خواندن ادامه دهید
On November 5, 2015, the Fundão iron mine tailings dam failed, pouring 50 million tons of mud and toxic waste into Brazil's Rio Doce, killing 19 people, polluting the river, contaminating ...
به خواندن ادامه دهید
Watershed sections impacted by the Fundão Dam breach in November 2015, municipality of Mariana, Minas Gerais State, Brazil. Yellow polygon indicates the locality immediately affected by iron-ore tailings discharge. (A and B) Landsat 8OLI satellite images before and after the disaster (October 11th and November 12th, respectively).
به خواندن ادامه دهید
The disaster near the small town of Brumadinho in southeastern Brazil occurred shortly after midday on 25 January 2019. At a nearby iron ore mine, the …
به خواندن ادامه دهید
However, a dam disaster in Brazil has recently disrupted iron ore production at VALE. The Brumadinho dam in Brazil, which is owned by VALE, collapsed on January 25 2019.
به خواندن ادامه دهید
Catastrophic failure of a tailings dam at an iron ore mine complex in Brumadinho, Brazil, on 25th January 2019 released 11.7 million m3 of tailings downstream. Although reportedly monitored using ...
به خواندن ادامه دهید
On 25 th January 2019, a tailings dam at the Córrego do Feijão iron ore mine, in the Brumadinho city, Brazil, failed suddenly, killing 270 people and seriously …
به خواندن ادامه دهید
Vale SA's next chief executive officer has been tasked with maximizing iron ore output to boost efficiencies at the Brazilian mining giant despite China's fading appetite …
به خواندن ادامه دهید
Unsurprisingly, the iron ore price surged on the news, rising 6.3 per cent to its highest level since March 2017, to just over $85 a tonne, according S&P Global Platts.
به خواندن ادامه دهید
Brazil's iron ore mines store their waste in earthen dams, called tailings dams, built from mine waste materials. Tailings dams, especially those constructed …
به خواندن ادامه دهید
On 25 January 2019, tailings Dam I at Vale's Córrego do Feijão mine, in Minas Gerais, Brazil, ruptured, releasing millions of metric tons of iron ore tailings. (Tailings are the output of the wet beneficiation process, comprising very fine particles of iron ore and impurities, in a suspension of water.)
به خواندن ادامه دهید
Feijão iron ore mine, in the Brumadinho city, Brazil, failed suddenly, killing 270 people and seriously affecting the regional ecosystem1–3. The Brumadinho dam disaster
به خواندن ادامه دهید
Brazil's iron ore mines store their waste in earthen dams, called tailings dams, built from mine waste materials. Tailings dams, especially those constructed using upstream raises, are particularly prone to collapse if the tailings become saturated and the water level behind the dam rises. ... The current disaster is unfolding in Brazil, but ...
به خواندن ادامه دهید
The South American nation exported 397 million tonnes of iron ore in 2018; the final year before the Brumadinho disaster. Four months after the disaster, Vale was vowing that all the shuttered ...
به خواندن ادامه دهید