(overburden) stripping
21Gold mining — Gold mine redirects here. See Goldmine for other uses of the term. Gold mining consists of the processes and techniques employed in the removal of gold from the ground. There are several techniques by which gold may be extracted from the Earth.… …
22Big Muskie — was a coal mining Bucyrus Erie dragline owned by the Central Ohio Coal Company (a division of American Electric Power), weighing nearly convert|13000|MT and standing nearly 22 stories tall. It operated in the U.S. state of Ohio from 1969 to 1991 …
23Whim Creek Copper Mine — The Whim Creek Copper Mine is an operating copper oxide mine, located in the Pilbara region of Western Australia. History Copper was discovered several kilometres west of the town in 1872 and gold 20 km north in 1887. Copper has been mined on and …
24Вскрышные работы — (a. stripping overburden removal; н. Abraumarbeiten; ф. travaux de deblayement, decouverte; и. desmonte) удаление горн. пород, покрывающих п. и., при открытой разработке м ний. B. p. включают процессы подготовки скальных пород к выемке,… …
25Транспортная система разработки — (a. stripping system with overburden transport; н. Abbauverfahren mit Abraumforderung; ф. methode de decouverture avec moyens de transport; и. sistema de explotacion con transporte sobre ruedos) порядок производства открытых горн. работ,… …
26borate mineral — Borate minerals Borate mineralsany of various naturally occurring compounds of boron and oxygen. Most borate minerals are rare, but some form large deposits that are mined commercially. Borate mineral structures incorporate either… …
