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Mexico's President Claudia Sheinbaum has announced a review of a controversial bill to ban open-pit mining. Congress approved the bill in July after debating balancing environmental protection ...
The Mexican Mining Chamber (Camimex) opposes the ban on open-pit mining, saying such a prohibition would cause a 1% contraction in the country's GDP and threaten some 200,000 jobs.
In 1998 Mono County in California effectively banned the usage of cyanide and other chemicals for mining or processing ore through a county ordinance., The US state of Montana banned open pit heap leaching and vat leaching using cyanide for gold mining following a citizen's initiative, Initiative 137, proposed by the Montana Environmental Information Center that was approved through a ...
The Montana Cyanide Process Open Pit Mining Prohibition Initiative, also known as I-137, was a successful initiative on the November 3, 1998 ballot in Montana. It sought to prohibit "new open-pit gold and silver mines that used heap and vat cyanide leach processing". [1]
In March 2022, MRC Allied Inc. transferred ownership of the Tampakan mine and its other mining interests to Salvador Zamora. The Zamora family has been active in the mining industry since 1969. In 2021, the national ban on open-pit mining was lifted, which is said to have opened up the possibility for a revival of the project. [11]
El Salvador became the first country in the world to ban all forms of metals mining in 2017. Bukele, who took office in 2019, has called the ban absurd. El Salvador lawmakers overturn mining ban ...
Cetate open-pit gold mine (1971–2006) to be reopened as part of the project. Roșia Montană Project was a proposed gold and silver mine in Roșia Montană, Romania.If approved, it would have become Europe's largest open-pit gold mine [1] and it would have used the gold cyanidation mining technique.
The Santa Ana Silver Project is a proposed open pit silver mining project by the Bear Creek Mining Corporation for the Santa Ana silver deposit in Huacullani District, Chucuito Province, Puno Region in southern Peru. Bear Creek's concession to the mine was revoked in late June 2011. [1]