Coal-Based Product Could Replace Sand in Concrete

By Mark S. Kuhar A study by Rice University researchers found that graphene derived from metallurgical coke, a coal-based product, could serve not only as a reinforcing additive in cement but also as a replacement for sand in concrete. “This could have a major impact on one of the biggest industries in the world,” said James Tour, Rice’s T. T.…

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Positive prefeasibility study for Cactus mine project: Arizona Sonoran

Arizona Sonoran Copper has completed its NI 43-101 Prefeasibility Study (PFS) for its Cactus project in Arizona. The study outlines a lower risk, top 10 potential copper operation within the United States, producing LME Grade A copper cathodes onsite via heap leach and a solvent extraction/electrotwinning plant. Average annual production is estimated to be 55,000 tons of copper, with a…

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South32 obtains final approval for Taylor development

South32 said it obtained final investment approval for the Taylor zinc-lead-silver deposit, the first development at its Hermosa project in Arizona. Taylor is expected to reach first production in the second half of fiscal year 2027 and deliver nameplate production in FY30. “Final investment approval to develop Taylor is a major milestone aligned with our strategy to reshape our portfolio…

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No time to put your head in the sand –  MSHA and failure-to-abate orders

Lately I’ve been giving some thought to what MSHA considers “enhanced enforcement,” which really refers to enforcement actions that MSHA takes against a mine operator beyond the § 104(a) citations that are the most frequent result of a mine inspection. (We call them “§ 104(a) citations” because the authority for issuing them comes from § 104(a) of the Mine Act.…

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Haver & Boecker unveils world’s largest grizzly

Haver & Boecker Niagara has custom-engineered the largest vibrating grizzly screen in the world.  Manufactured with Hardox steel perforated plates and grizzly bars for a large Brazilian iron ore operation, the Niagara XL-Class vibrating grizzly screen boasts a capacity of 8,000 tons per hour and a cut size of 200 millimeters.  As the largest exciter-driven machine in the industry, the…

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DEVELON introduces HB-Series hydraulic breakers in North America

DEVELON has expanded its attachment offering by launching its HB-Series hydraulic breakers – the HB06H and HB15FH – in North America. The breakers are engineered for high-performance, long-lasting durability and easy maintenance in the most punishing demolition, mining and quarry, and general construction applications. The HB06H and HB15FH are compatible with the DX62R-7 and DX63-7 mini excavators, the DX140LC-7 and…

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Chevron adds Rykon to grease lineup

Chevron has introduced Rykon, a new overbased calcium sulfonate complex grease, to its recently refreshed line of products. The company said Rykon increases uptime and helps enhance durability for the next generation of equipment. “By introducing Rykon to our grease portfolio, we are offering a new solution for high-pressure applications and ensuring customers have a high-performance grease when they need…

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Try Superior makes significant conveyor idler redesign

Superior Industries has unveiled “the most significant redesign to conveyor idlers in decades.” This update is backed by a substantial $4.5 million investment in cutting-edge idler manufacturing equipment at its American production locations. “Tens of thousands of Superior idlers are installed on our own conveyors every year, so roll performance really, really matters,” emphasized Jason Adams, president of Superior. “The…

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Crusher, screen remote control with Metso Remote IC

Metso’s intelligent crushing and screening offering has expanded with a new software application called Metso Remote IC. The Metso Remote IC is used for remote control and monitoring of the crushing and screening process, and it connects wirelessly to all the Lokotrack crushers and screens at the site. With the Metso Remote IC app, the operator can view all the…

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New for North America: Komatsu GD955-7 motor grader

Komatsu’s new GD955-7 motor grader is now available to the North American market. The GD955-7 offers operators the control and precision needed to build and maintain haul roads for truck fleets of 100 tons and up and is an important addition to Komatsu’s motor grader lineup. This powerful new machine stands out with its ample horsepower and powerful blade downforce…

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