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 ?
See Lawmakers Ban Open-Pit Mining, Latin America Press (Nov.
enacting moratorium on open pit mining and cyanide leaching process); see also Press Release, Earthjustice, Costa Rica Bans Open-Pit Mining (June 7, 2002), http://earthjustice.
Desiderio, Gov't Urged to Settle Open-Pit Mining Ban, The Philippine Star (Mar.
Zambo Norte Ordinance vs Open-Pit Mining Lauded, supra note 8 (examining Zambo Norte's ban on open pit mining).
1-2 (outlawing open pit mining and prohibiting use of materials such as cyanide); Shane Romig, Tierra del Fuego Bans Open-Pit Mining, Mines and Communities (Sept.
See Argentina Province Bans Open-Pit Mining, Resource Investor (Dec.
See Argentina Province Bans Open-Pit Mining, supra note 94 (discussing impact of provincial open pit mining ban).
The easily accessible Alejandra deposits are suited to the economical open-pit mining method.
The study team initially analyzed the costs arising from the conventional open-pit mining of two of the diamond pipes (5034 and Hearne) and of the high-grade zone within the top 140 meters of a third pipe (Tuzo).
The Company is continuing its extension of the 8th underground level of the San Martin mine to below the high grade Fortuna zone in order to extract economical-grade ore which is not accessible by open-pit mining.
With gold prices at all-time lows, we believe the low cost of open-pit mining will help improve the Company's cash flow and position Golden Eagle for aggressive expansion in the future," said Terry Turner, President and CEO of Golden Eagle International, Inc.
The ISP contract would be the production leap we have needed as we move our emphasis away from our shaft operation toward more efficient open-pit mining methods," said Turner.