Rio Tinto expects Resolution Copper mine to open by mid-2030s, may export some concentrate HOUSTON, March 24 (Reuters) – Rio Tinto aims to bring its Resolution Copper project in Arizona online by the mid-2030s, but may need to export some copper concentrate due to challenging economics for smelting in the U.S., a senior executive said on Tuesday. The mining giant recently gained control of key acreage for the project after a lengthy court battle.

SMM Morning Meeting Summary: Overnight, LME copper opened at $12,016.5/mt. After dipping to $11,955.5/mt in early trading, its center rose sharply to a high of $12,160/mt, and then continued to hover at highs, finally closing at $12,092.5/mt, down 1.05%. Trading volume reached 23,000 lots, open interest stood at 293,000 lots, up 406 lots from the previous trading day, mainly reflecting increased short positions overall. Overnight, the most-traded SHFE copper 2605 contract opened at 93,600 yuan/mt and touched a low of 93,480 yuan/mt at the open. Its center then moved higher to a high of 94,990 yuan/mt, after which copper prices maintained a fluctuating trend at highs, finally closing at 94,670 yuan/mt, up 0.17%. Trading volume reached 51,000 lots, open interest stood at 198,000 lots, down 533 lots from the previous trading day, mainly reflecting reduced short positions throughout the day.

Australia's Atlantic Lithium has obtained approval from Ghana's parliament to develop the Ewoyaa project—the country's first lithium mine—and will be subject to revised royalty terms linked to market prices.

[China Iron Ore Brief Review: Iron Ore in Shandong May Continue to Edge Higher] This week, at mines and beneficiation plants in Shandong, the ex-mine quote for 64 grade alkaline fines on a dry basis, before tax and settled by bank acceptance, was 899, up 17 yuan/mt. Steelmakers raised prices in tandem, most miners maintained normal production, and some mines slightly increased output. Steel mills showed moderate willingness to purchase, mainly under long-term contracts, while shipments from small plants and traders were also relatively good, with overall transactions improving; after a large mine in Zaozhuang resumed production

[SMM Tungsten Daily Review: Slight Price Collapse in the Scrap Tungsten Market, Ore and Upstream Smelting Products Consolidated Sideways] SMM News, March 23 In the short term, prices across the tungsten industry chain still showed divergence between primary and recycled materials. China was currently in a transition period marked by tightening supply on the raw ore side and a rising utilization rate of recycled materials. Smelters still needed some time to adjust their restocking practices and complete the adaptation and transition from a long-term contract pricing model led by the ore side to a scrap tungsten market procurement model featuring higher-frequency transactions and greater sensitivity to sentiment.

[Garpenberg Zinc Concentrates Production Was Suspended Due to Seismic Activity] According to Boliden, production at the Garpenberg mine was temporarily suspended on March 14 due to seismic activity, and the beneficiation plant subsequently also halted production. Seismic activity has since eased, and preliminary inspections of the mine began on March 18. Mine production will gradually resume after inspections of the infrastructure and mining workplaces are completed. It is not yet possible to determine the timing of the production restart or the pace of ramp-up. In 2025, Garpenberg's zinc concentrate production was 101,700 mt in metal content.

According to the latest data disclosed by the General Administration of Customs, China’s imported copper cathode market, while maintaining the 2025 baseline, is facing dual challenges: the continued rise in the share of EQ copper and whether global supply will continue to be diverted. China’s cumulative copper cathode imports in January-February 2026 totaled 356,900 mt, down 33.13% YoY.

Freeport-McMoRan (NYSE: FCX) has begun the environmental permitting process for a $7.5 billion expansion of its majority owned El Abra copper mine in ChileThe project, owned 51% by Freeport and 49% by state-owned Codelco, is the largest mining investment submitted to Chile’s Environmental Assessment Service (SEA) since at least 1992. The plan includes a new concentrator, a desalination plant, a water pumping system, expanded mine infrastructure and continued leaching. Production is expected to begin in 2033 if regulators approve the project, Diario Financiero reported.

On March 7, according to an announcement by Xingye Silver&Tin, Xiwuzhumuqin Banner Budun Yingen Mining Co., Ltd., a managed company of Inner Mongolia Xingye Silver&Tin Mining Co., Ltd., recently obtained the Reply on the Approval of the 2.97 million mt/year Underground Mining and Beneficiation Project for the Silver Mine in the Budunwula Mining Area of Budun Yingen Mining Co., Ltd., Xiwuzhumuqin Banner, Xilingol League, Inner Mongolia, issued by the Development and Reform Commission of the Inner Mongolia Autonomous Region to the Development and Reform Commission of Xilingol League. Budun Yingen Mining will implement an underground silver mining and beneficiation project in the mining area, with a construction scale of 2.97 million mt/year.

According to reports, on March 11, the commissioning ceremony for the 100,000 mt/year mining and beneficiation project at the Daliang zinc mine in Duyun, Guizhou was held, marking the official launch of the first integrated mining and beneficiation pilot demonstration project of the Guizhou Provincial Institute of Geology and Mineral Resources, adding new momentum to the effective implementation of Guizhou Province’s strategy of “developing rich ore resources with precision.” Reportedly, the project was led by the provincial institute of geology and mineral resources, with cumulative investment of about 200 million yuan, and included a mine with annual capacity of 100,000 mt and a beneficiation plant with annual processing capacity of 150,000 mt.