In mining, the pit wall refers to the sloped sides of an open pit mine. These walls are the exposed rock or earth surfaces that form the boundary of the pit excavation. The pit walls are typically designed as stepped or terraced slopes to maintain stability and safety during mining operations. The inclined sections of the pit […]
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US prioritizes recovery of critical minerals from mine waste
Mining Doc
WASHINGTON (Reuters) -The U.S. Interior Department on Thursday took steps to increase recovery of critical minerals, used in everything from electric vehicles to high-tech weapons, from mine waste, coal refuse, tailings and abandoned uranium mines. Interior Secretary Doug Burgum directed his department to streamline federal regulations on the recovery of the minerals such as rare […]
Rio Tinto and ENAMI sign binding agreement for Salares Altoandinos lithium project in Chile
Mining Doc
Rio Tinto and Empresa Nacional de Minería (ENAMI), a state-owned Chilean mining company, signed a binding agreement to form a joint venture to develop the Salares Altoandinos lithium project in the Atacama region. The signing follows a 23 May announcement of Rio Tinto’s nomination as the preferred partner for the project. As previously announced, Rio […]
Safety measures in blasting
Mining Doc
Handling explosives is inherently hazardous, making blasting safety critical to preventing disaster and ensuring successful outcomes. Effective blasting safety requires continuous risk assessment, control, monitoring, and management throughout every phase, from site preparation to post-blast clean-up. Every member of the blasting team must be fully aware of the associated risks and consistently use appropriate personal […]
Rio Tinto releases second quarter 2025 production results
Mining Doc
13% CuEq production uplift for Q2 YoY, and 6% for H1, as we execute our strategy Rio Tinto Chief Executive Jakob Stausholm said: “We delivered excellent operational performance from our mine operations with record production from our bauxite business and from Oyu Tolgoi as it ramps up to become the world’s fourth largest copper mine […]
Gold falls on stronger dollar after Trump says he won't fire Powell
Mining Doc
Gold prices eased on Thursday, pressured by a firmer U.S. dollar, as investor worries eased temporarily after President Donald Trump said he did not plan to oust Federal Reserve Chair Jerome Powell. Spot gold was down 0.6% at $3,335.77 per ounce, as of 0958 GMT. U.S. gold futures fell 0.8% to $3,331.30. The dollar index was […]
Key considerations and techniques involved in mine ventilation systems
Mining Doc
Mine ventilation is the essential process of supplying fresh air and controlling airflow in underground mines to ensure safe and healthy working conditions for miners. It plays a critical role in maintaining air quality, regulating temperature and humidity, and removing harmful contaminants such as dust, diesel fumes, and toxic gases. A well-designed ventilation system serves […]
Australian rare earth stocks soar on MP Materials' multi-billion US deal
Mining Doc
Shares of Australian rare earths miners, including Lynas and Iluka Resources, soared on Friday after U.S.-based MP Materials’ a multibillion-dollar deal with the U.S. government to boost production of rare earth magnets. Lynas Rare Earths, the world’s largest, rare earths producer outside China, surged as much as 20% to its highest since mid-August 2022 and was […]
Copper traders look to Chinese buyers in post Trump-tariff world
Mining Doc
Global copper traders are offering cargoes to Chinese buyers as they look to offload metal no longer able to reach the U.S. before President Donald Trump’s 50% copper tariff deadline. Trump said late on Wednesday he would impose the new tariff from August 1 to promote domestic production of everything from semiconductors to ammunition. He didn’t specify […]
The role of assayer in mining
Mining Doc
Assayers are needed in mining because they provide key information that is critical for mine performance. Assayers are responsible for inspecting, grading, sampling and testing of raw and processed materials. They set their own priorities and activities and must have an eye for detail. Assayers make meaningful contributions to mine performance and are well compensated […]