open-pit mining

(redirected from Open pit)

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 ?
I just want to ask Manhit if he also considers the following indictment of open-pit mining made by the Massachusetts Institute of Technology (MIT) as propaganda from anti-mining advocates: 'Open pit mining, where material is excavated from an open pit, is one of the most common forms of mining for strategic minerals.
If some open pit mining will still be operating, I've instructed the Air Force to bomb it," Duterte said in the Visayan dialect during an assembly of rebel returnees in Malacanang Wednesday night.
Be it an honest declaration or mere demagoguery, we must put the open pit ban pronouncement to the test.
Despite the protests of anti-mining groups, Environment Secretary Roy Cimatu expressed his intention to formally overturn the open pit mining ban shortly after the Mining Industry Coordinating Council (MICC) recommended its lifting.
The Toronto-headquartered company plans on the initial development of an open pit to feed ore to a 2,500-tonne per day processing plant before mining heads underground in the mine's later years.
M2 EQUITYBITES-March 22, 2017-Mechel announces shipment of new mining equipment at Neryungrinsky Open Pit
The Zarya open pit is one of Alrosa's major investment projects.
Butte, Montana, is home to the Berkeley Pit, a former open pit mining site that has slowly filled with deadly and acidic water that threatens to contaminate the drinking water of nearby communities within the next ten years.
Perth, Australia, Oct 6, 2010 - (ABN Newswire) - Gold producer Focus Minerals (ASX:FML) is pleased to advise that drilling to establish a sustainable production base for upcoming open pit mining at its Coolgardie Gold Operations in Western Australia has delivered a series of outstanding high-grade gold intersections from the Happy Jack deposit, adjacent to its flagship Tindals Mining Centre.
International Resource News-5 September 2008-Mirabela Announces Open Pit Resource Estimate(C)2008 ENPublishing - http://www.
The preferred method of the study is to develop an open pit to l00m depth, and to go underground in about the fifth year of operation.
Borax is gearing up to make the largest open pit mine in California even larger.