Mining Blogs

Indonesia’s nickel miners’ association APNI on Friday urged the government to ensure mining quotas continue to be valid for three years to maintain a consistent business climate, rather than reverting to a single year as planned. The mining minister on Wednesday said the government plans to cut the duration of mining quotas, known as RKABs, […]

Gold prices rose on Friday and were set for a weekly gain as investors sought safe-haven assets amid fiscal concerns after the U.S. Congress passed President Donald Trump’s tax-cut and spending bill, while a weaker dollar aided further. Spot gold rose 0.5% to $3,343.94 per ounce, as of 0617 GMT. Bullion is up about 2.2% […]

Effective grade control in underground mines is essential for maximizing ore recovery, minimizing dilution, and ensuring that the material sent to the mill meets quality requirements. Below is a structured approach to operating grade control in UG mines, incorporating best practices and key operational steps. Establish a grade control team and framework Team composition: typically includes […]

This text is issued from a scientific article entitled « What causes mining asset impairments? » written by: Andrew Gillis from Aurora Hydrogen Inc, Edmonton, AB, Canada, John Steen & W. Scott Dunbar from Department of Mining Engineering, University of British Columbia, Vancouver, BC, Canada, Andrew von Nordenflycht from Beedie School of Business, Simon Fraser […]

Data validation is critical for grade control because it ensures the accuracy, integrity, and reliability of grading data, which directly impacts students, educators, and educational institutions. Here is why it’s important. Preventing errors and ensures accuracy Data validation acts as a safeguard against common errors in grade entry, such as inputting impossible scores (e.g., 110 out […]

The inherent complexity surrounding mining projects makes these initiatives both very valuable and incredibly risky. In fact, the risk emerges right from the onset, i.e. simply proposing an exploration project could collapse following a commitment of private investment. In 2013, a provincial government in Pakistan refused to provide Tethyan Copper Co. its mining license for the ‘Reko […]

Some Chinese smelters have agreed to process copper from Chilean miner Antofagasta  for no charge, a record low for the industry, but the outcome was better than expected for the smelters, already suffering losses. Antofagasta has agreed to set copper concentrate processing fees at $0 per metric ton and 0 cents per pound, four sources with […]

The Democratic Republic of Congo has extended its ban on exports of cobalt by three months as the world’s dominant producer of the battery metal tries to convert its supply power into pricing power. After rallying sharply in February, when the market was caught out by news of the original ban, the price reaction this […]

Rio Tinto and Hancock Prospecting will invest $1.6 billion (Rio Tinto share $0.8 billion) to develop the Hope Downs 2 iron ore project in Western Australia’s Pilbara region. The Hope Downs 2 project, to mine Rio Tinto and Hancock Prospecting’s Hope Downs 2 and Bedded Hilltop deposits, has now received all necessary State and Federal Government […]

Rock bolts find diverse applications across various industries, contributing to the stability and safety of underground structures. Common applications include: Mining operations Rock bolts are a fundamental component of ground support in underground mining, particularly in hard rock environments. Widely used in room-and-pillar and longwall mining methods, these anchors stabilize walls and roofs by securing […]