open-pit mining


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Related to open-pit mining: Underground mining

open-pit mining

[¦ō·pən ¦pit ′mīn·iŋ]
(mining engineering)
Extracting metal ores and minerals that lie near the surface by removing the overlying material and breaking and loading the ore. Also known as open-cast mining; opencut mining.
References in periodicals archive ?
Environmental hazards are present during every step of the open-pit mining process.
Duterte said it pained him to see the holes made by open-pit mining that resembled like "fish ponds" and "bottle caps.
In Congress, the group challenged Duterte to mobilize his so-called supermajority to craft and pass a policy on open-pit mining, declaring a moratorium on prospective open-pit mines until a new comprehensive mining law, such as House Bill 2715, or the people's mining bill, is passed.
The President later agreed with banning open-pit mining due to the damage caused on the environment.
Duterte said he had ordered Environment Secretary Roy Cimatu to stop open-pit mining operations.
Open-pit mining is accepted worldwide as the efficient and safe method for harvesting mineral deposits near the surface.
Aaron Pedrosa said that President Rodrigo Duterte and Department of National Resources (DENR) Secretary Roy Cimatu were "all talk" when they claimed that they will lift a ban on open-pit mining.
The feasibility study assumes that contactors will be employed for all open-pit mining, underground mining, and haulage of ore to the Bluebird plant.
President Rodrigo Duterte on Tuesday said he will reject the recommendation of the Mining Industry Coordinating Council (MICC) to lift the existing ban on open-pit mining due to the lack of measures to fix the negative impact such operations brings to the environment.
President Rodrigo Duterte on Tuesday rejected the recommendation of the interagency Mining Industry Coordinating Council (MICC) to lift the ban on open-pit mining in the Philippines.
Barrick announced on December 18, 2014, that it intended to suspend operations at Lumwana following passage of legislation that raised the royalty rate on the country's open-pit mining operations from 6% to 20% (E&MJ, January 2015, p 18).