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Rio Tinto announced estimate adjustments to bauxite resources at Weipa and Gove which supply CQ refineries and smelter.

"There has been no material change to the economic cut-off methodology or process. "The application of the updated pricing assumptions has removed lower quality material from the Ore Reserve estimate. "There has been no material change to the other reserve modifying factors, including: governmental, tenure, environmental, cultural heritage, social, community or operational." Meanwhile, RTA Pacific Operations Mineral Resources exclusive of Ore Reserves estimates have increased. "Mineral Resources exclusive of Ore Reserves has increased by 128 Mt, from 1,949 Mt to 2,077 Mt," the statement ...

IAMGOLD Corporation: IAMGOLD Reports 2020 Attributable P&P Reserves of 13.9 Million Ounces and Attributable M&I Resources of 23.9 Million Ounces Toronto, Ontario--(Newsfile Corp. - February 17, 2021) - IAMGOLD Corporation (TSX: IMG) (NYSE: IAG) ("IAMGOLD" or the "Company") announces its 2020 year end Mineral Reserve and Resource statement (refer to Table 3 for a detailed breakdown by asset). IAMGOLD's President and CEO, Gordon Stothart, commented: "We have maintained a robust global reserve and resource profile in 2020, noting that our numbers did decline year-over-year, reflecting both ind...

Northisle Announces Positive PEA for the North Island Project Which Confirms it is One of the Most Attractive Cu-Au Projects in Canada February 4, 2021 - All figures in C$ unless otherwise noted TSX Venture Exchange Symbol: NCX Highlights The 2021 PEA confirms that the North Island Project is one of the most attractive copper-gold porphyry projects in Canada: Long mine life of 22 years with average annual production of 177 mm lbs Cu Eq. over the first 6 years, including 112 mm lbs of copper, 112 koz of gold and 2.7mm lbs of molybdenum Average annual after tax free cash flow of $321 million ...

Press release content from Globe Newswire. The AP news staff was not involved in its creation. Endeavour Silver Updates 2020 Mineral Reserve and Resource Estimates Endeavour Silver CorporationFebruary 3, 2021 GMT VANCOUVER, British Columbia, Feb. 03, 2021 (GLOBE NEWSWIRE) -- Endeavour Silver Corp. (TSX: EDR, NYSE: EXK) reports updated Mineral Reserve and Resource Estimates for its three operating silver-gold mines in Mexico, Guanacevi in Durango state, Bolanitos in Guanajuato state and El Compas in Zacatecas state, and two key exploration and development projects, Terronera in Jalisco state a...