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Mining and Arsenic @ #skouries : update

Christos Adamidis thinks the risk of an earthquake is being downplayed and wants to know why that is  

The Greek gold mine controversy: Investment in the future, or environmental disaster?

Fear of environmental damage

Ever since, the people of Ierissos have felt abandoned. Yet their objections – to the plans made by a government heavily dependent on investment, and to the Canadian company – are certainly worthy of discussion.
A short time ago Eldorado threatened to pull out of Greece altogether if Athens refused permission for it to continue working in Skouries.
The focus of the conflict is a metal production technique known as "flash smelting." This enables pure gold to be obtained from the raw material produced – and Eldorado is contractually obliged to do this. The problem is that the raw material contains arsenic.
"Flash smelting is only suitable for raw material with a low arsenic content," explains the physicist Maria Kadoglou. "But in the case of the two mines in Skouries and Olympiada, the arsenic concentration is over 9 percent."
During the flash smelting process, arsenic dust is released into the air – as much as 20,000 tons a year. The maximum permitted level is 20 kilos. There are no technologies to purify the air, says Kadoglou.
Read more: European natural sites at risk despite protection

  

What is the role of arsenic in the mining industry?

Human activities which intensify the release of arsenic

A number of human activities have the potential to increase arsenic concentrations in the air, water, and soil on a local scale. [1] The rate of arsenic release from sulphide minerals can be sped up by mining activities, which expose the minerals to weathering processes during excavation. [1] Arsenic dust is produced during copper and gold smelting, and coal combustion. [8] The direct application of arsenic in the form of pesticides or wood preservatives has historically been a major source of arsenic to soils. [1] Freshwaters and associated ecosystems may be impacted by arsenic runoff from contaminated sites, but groundwater contamination as a result of human activity is rare, as arsenic is strongly attracted to soil particles and sediments. [1] In contrast, it is the natural release of arsenic from geologic materials which has become a threat to drinking water supplies around the world. [5]


The environmental legacy of historic Pb-Zn-Ag-Au mining in river basins of the southern edge of the Massif Central (France)

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Our present view, as published 4 years ago...

Gold is undrinkable, water in Skouries might soon be too

What is about to happen in #skouries overrides scientific findings. In contrast to the easily disproved Environmental Impact Assessment (EIA), the truth is that gold mining from open mines in the area is simply hazardous to the environment, the people, the water, the flora and fauna…

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