Australia’s Gold Production hits 10-Year High
Gold production in Australia has risen to its highest level during the decade. About 273 tonnes of gold was produced last year, increasing about 7% of its production in 2012, according to a mining consultancy firm Surbiton Associates Pty. Because the price of Gold depreciated for the past years, miners were obliged to seek for high […]
Underwater Mining could Impose Threat to Marine Life
Posted above is 4,000 meters below sea level in Central Pacific. This particular area is being explored by several mining companies to assess rich deposits. It has been said that it has a lot of ores which are needed to keep the industry humming and mobile phones working. Environmentalists and scientists warned that underwater mining […]
Illegal Mining: 5 Dead Bodies Found in Roodepoort
5 dead bodies, 4 men and a woman, were recovered from the abandoned gold mining is Roodepoort, Johannesburg, South Africa. Paramedics still welcome the possibility that they may still be miners trapped inside. A week ago, about 20 miners were rescued from being trapped in disused mining sites in Roodepoort. They had to face several […]
Flotation Time Scale-up Factors – Laboratory to Plant
Using Laboratory bench-top float test results and their retention (flotation) time to scale-up to real life full scale plant time can be done using the following tables and examples. How to select the proper scale-up factor takes experience and …. good data. Figure 16.7 was used and seen in the a technical report for the Pebble […]
Mozley Drum Separator | Mozley Super Panner
The Mozley Super Panner is used for quick and efficient drum separation of mineral groups with distinct density differences and is generally used as a cleaner unit where the mass available for upgrading is very small: typically for Au applications. A centrifugal solids-liquids separator comprises a rotatable hollow centrifuge drum at least a part of […]
Deforestation by mining threatens black macaque
The growing mining activities and consequent deforestation in the Indonesian provinces of Central Sulawesi and Gorontalo are threatening the lives of the endemic Tonkean macaque monkeys, a species also known as the Sulawesi black macaque. The animals can be found in the forests between North Palu and Tana Toraja, as well as south of the Lore Lindu National Park, […]
What is Gold Used For
Have you ever asked what is all that gold used for? Why in the world do we need so much gold? What do they do with it? Here is a summary table of what is done with it (China Consumption Data). This is also a good summary.
What is the Relationship between Head Grade and Mineral Liberation
Some plant operators claim their metallurgical recovery targets are harder, more difficult, to meet as head grades drops down. Is it true or is it just voodoo? Using Mineralogy can answer this question scientifically. Relationship between Head Grade and Mineral Liberation EXAMPLE The red/white dot points to the actual monthly liberation of 42% VS history. […]
Effect of Regrind on Grade and Recovery
How do you know if or when regrinding and applying further liberation power can improve your metal’s recovery? Below here is data showing what is to be gained by correctly applying regrind to a copper stream. On the graph, the red/white dot points to where the plan currently is light green Grade-Recovery curve VS where is could be on […]
5 Major consequences of coal mining
Coal is still the most prevalent energy source in the entire world and the United States is not an exception. Almost 91 percent of the country’s electricity is generated in coal-burning plants. Still, coal mining is a nefarious activity for the environment and for the human health. In fact, the industry is responsible for one-third of […]