Rio Tinto has unearthed one of the largest gem-quality yellow diamonds ever discovered in Canada, from its Diavik Diamond Mine. The 158.20 carat rough diamond was discovered at Diavik located 200km south of the Arctic Circle in the remote Northwest Territories of Canada. It is one of only five yellow diamonds weighing more than 100 […]

Gold prices surged to an all-time high on Tuesday, extending their record run, as investors flocked to the safe-haven asset to guard against the potential repercussions of U.S. President Donald Trump’s reciprocal tariffs. Spot gold was up 0.1% at $3,125.69 an ounce, as of 0745 GMT, after hitting a record high of $3,148.88. U.S. gold […]

March 27 (Reuters) – Gold prices rose on Thursday as U.S. auto tariffs ratcheted up global trade tensions ahead of an April 2 deadline for reciprocal tariffs from the world’s largest economy. Spot gold was up 0.3% at $3,028.65 an ounce, as of 0650 GMT. U.S. gold futures gained 0.5% to $3,036.10. Investors feared that […]

I’ll be posting a series of short articles on mine scheduling. Like any good posts, it should include some storytelling and so I’m going to kick off with a story that was pivotal in many of my learnings about mine scheduling. The Broken Stocks Saga For a period in the 90’s, I was Grade Control […]

U.S. power producers emitted over 304 million metric tons of carbon dioxide (CO2) from power generation over the first two months of 2025, which was the highest for that period since 2019, according to data from energy think tank Ember. The emissions tally marked a 9% rise from the same period last year and was […]

Introduction The stripping ratio in mining refers to the amount of waste material (overburden) that must be removed to extract a unit of ore. It is a critical metric in surface or open-pit mining, as it directly impacts the economic viability of a mining operation. That said, stripping ratios are not only about the volume of unwanted […]

As mining moves toward Mining 4.0, automation and digital intelligence are redefining operational efficiency. One such innovation is the Operator Independent Truck Dispatch System (OITDS)—a game-changer for opencast coal mines. OITDS automates haul truck dispatch, reduces manual intervention, and boosts productivity using real-time data and analytics. MiningPro, a smart digital mining solution, integrates OITDS to […]

China has not shipped any antimony to European Union countries since October, customs data showed on Thursday, after the dominant supplier-imposed export control that have fuelled a surge in global prices for the strategic metal. Accounting for almost half of global supply in 2023, China’s restrictions since last year have upended supply chains for antimony, which […]

Indian steel prices will face pressure in the upcoming fiscal year as local mills grapple with cheaper imports from China and rising risks from aggressive tariff policies, Fitch Ratings said on Tuesday. The agency reduced its headroom for ratings upgrades for India’s top steelmakers by market cap – JSW Steel, currently rated “BB” with stable […]

Image rights: superpit.com How AI is Transforming Drilling and Blasting in Mining Drilling and blasting are among the most significant cost drivers in mining operations, accounting for up to 30% of total operational expenses. Beyond the direct costs of explosives and drilling equipment, inefficiencies in these processes lead to downstream complications, including increased crushing and […]