Miners turn to unique leaching processes for copper extraction

Bacteria and newly developed chemicals provide an alternative to conventional leaching. Edited by Josephine Patterson Due to copper prices nearly doubling in the past two years, miners like Rio Tinto and Freeport-McMoRan have begun to use new leaching technologies to extract low concentrations of the in-demand product from waste rock, reported Reuters.  Miners aim to use bacteria or other newly…

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Freeport taps Robertson as SVP, CFO

Freeport-McMoRan has confirmed the addition of Maree Robertson as senior vice president and chief financial officer, an appointment effective March 1, 2022. Robertson, who will report to CFO Kathleen Quirk – who moved to an expanded role as president in February of this year, will be responsible for Freeport’s accounting, finance and tax functions, including financial reporting, operational accounting, internal…

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Freeport appoints two to board

Freeport-McMoRan (FCX) tapped Marcela Donadio and Sara Grootwassink Lewis to its board of directors. Donadio retired as a partner of Ernst & Young in 2014. From 2007 until her retirement in 2014, she served as Americas Oil and Gas Sector Leader. She served as audit partner for multiple companies with domestic and international operations in the natural resources sector and…

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