block caving meaning in Hindi

Examples

1. AuRico Metals is actively implementing permits for a block caving mine.
2. In 1930, underground block caving mining was started, and by World War II all mining was underground.
3. An exploration decline was constructed at a cost of block caving ), rather than the open pit method currently used.
4. The Block Cave is expected to operate until 2018 using the latest in mining technology, including Sandvik's auto mining technology.
5. They were sometimes willingly and knowingly accepted, for example, when mining was carried out by a method known as block caving.
6. Windblast can also occur in block caving mines, as happened at the Northparkes mine in NSW, Australia on 25 November 1999, killing 4.
7. Originally the mine was only the underground block cave and an underground concentrator with an'hotel'/ bunkhouse where the workers live when the Rio Blanco valley is impassable in the winter.
8. Mining methods include panel caving, panel caving with pre-undercut, and block caving, which have been adapted to overcome the serious rockburst problem which stopped mining some years ago on level 6 and threatened the future of the mine.
9. * Initially the mine will process 70, 000 tonnes of rock per day, ramping up to 85, 000 tonnes from both the open pit and the underground mine ( underground mining is to be done by block caving ) . 
10. Additional sub-surface mining methods include hard rock mining, which is mining of hard rock ( igneous, metamorphic or sedimentary ) materials, bore hole mining, drift and fill mining, long hole slope mining, sub level caving, and block caving.